Council hub · East of England
Hertsmere planning applications
3,769 applications. 87% approved. 58 days to decide.
As of September 2026, PlanIndex holds 3,769 planning applications from Hertsmere. 648 were decided in the trailing 12 months, with 87% of clear-cut outcomes approved.
Hertsmere takes a median of 59 days to decide a planning application. See how that compares.
All applications
Newest first · page 1 of 76
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26/1339/TRC Awaiting decision
Kent Lodge Scrubbitts Park Road Radlett Hertfordshire
T33 - Ash Tree - To reduce the branches by 4-5 metres to alleviate weight and lessen the risk of future failure, as these branches are overhanging the rear garden at 1, Gills Hill. T32 - Ash Tree - To reduce the branches by 3 metres to reduce end loading, as these branches are overhanging the rear garden at 1 Gills Hill.
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26/1249/TRC Awaiting decision
83 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PE
1x Weeping Birch to reduce by approximately 1m to leave a final height of 4m and spread of 3m 1x Magnolia to reduce by approximately 1.5m to leave a final height of 3.5m and spread of 3m. Remove low limb growing through the hedge. Limb growing towards front door reduce 1m due to encroachment on entrance way. 1x Apple to reduce by approximately 2.5m in height and width. Leaving a final height of 5m with spread of 4m. Thin canopy by approximately 1/5 crown volume. 1x Hazel to reduce by 2m in height to leave a final height of 2m and spread of 1.5m
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26/1326/TRC Decided
6 Falconer Road Bushey Hertfordshire WD23 3AD
2x Connifer Trees to fell. Located to the rear of the property.
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26/1320/TPO Decided
38 Birch Grove Potters Bar Hertfordshire EN6 1SY
T1 oak to reduce from approximately 13m height to 11.5m and spread from 10m to 8.5m. Remove epicormic growth from trunk. The tree dominates a small garden whist oversailing 3 other properties and a public footpath. Managing the size of the tree will allow all neighbours more light and space to their gardens.
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26/1322/TELENQ Awaiting decision
1 Wards Cottages Aldenham Road Elstree Borehamwood Hertfordshire WD6 3AH
Telecommunications enquiry.
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26/1317/TRC Decided
12 The Rose Walk Radlett Hertfordshire WD7 7JS
Ash to reduce from 16m to 14m height and 12m to 10m width. Remove comprimised left stem due to large woodpecker hole and Inonotus hispidus
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26/1299/TPO Awaiting decision
25 Loom Lane Radlett Hertfordshire WD7 8AA
T82: London Plane - existing dimensions 14m in height and 10m in spread. Reduce crown by approx. 1.5-2m, to leave a final height of approx 12.5m and spread of 8m. T81 -Ash : exisitng dimensions: 15m in height and 10m in spread. Sever ivy at the base and prune lateral branches growing towards the building by approx. 1.5-2m. Retain existing height at approx 15m and final spread of 9-10m. G17 - Conifer Group: existing height 10-12m. Cut back overhanging lateral growth by approx 1.5-2m to the boundary, leaving a final spread on the property-facing side of approx 2m from the main stems. Retain exisitng height. T83- Sycamore: existing height 14-15m and spread 9-10m. Sever ivy at the base and prune laterla branches growing towards the property by approx 1.5-2m. Retain existing height of approx 14-15m and final spread of approx 8m. T84- Oak: existing height 15m and spread of 10m. Remove identified Oak Processionary Moth nests. Reduce crown by approx. 1.5-2m. Leaving final height of 13.5m in height and 8m in spread. T86 - Oak : existing height of 15m and 10m spread. Remove identified Oak Processionary Moth nests. Reduce crown by approx 1.5-2m. Leaving final height of 13.5 and spread of 8m. T87- Oak: existing height of 14m and spread of 9m. Remove identifed Oak Processionary Moth nests. Reduce crown by approx. 1.5-2m. Leaving final height of 12.5m and spread of 7m.
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26/1291/TPO Decided
19 Allum Lane Elstree Borehamwood Hertfordshire WD6 3LU
T11 - Willow x 1 - reduce crown by 2m on height and 2m on width, leaving a final height of 10m and a spread of 10m. Reasons: outgrowing a restricted location and initiating neighbour complaints
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26/1311/HSE Awaiting decision
2 Holmdale Close Borehamwood Hertfordshire WD6 4NE
Single storey front and rear extensions. Conversion of loft to habitable space including removal of garage door and replacement window. Alterations to fenestration.
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26/1313/DOC Awaiting decision
Elle Dani Farm Allum Lane Elstree Borehamwood Hertfordshire WD6 3NL
Application for approval of details reserved by condition 12 (Biodiversity Gain Plan) of planning permission reference 24/0748/FUL.
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26/1312/MA Awaiting decision
Land To The Rear Of Richfield Road Bushey Hertfordshire
Application for a non-material amendment to allow for a new landscaping scheme following the grant of planning permission 18/1026/FUL.
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26/1310/TELENQ Awaiting decision
Radlett Lawn Tennis And Squash Club 425 Watling Street Radlett Hertfordshire WD7 7JG
Telecommunications notification.
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26/1305/ADV Awaiting decision
Unit 2B Borehamwood Shopping Park Theobald Street Borehamwood Hertfordshire WD6 4PR
Installation of 2x internally illuminated flex face fascia signs. (Application for Advertisement Consent.)
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26/1303/HSE Awaiting decision
14 Hartfield Avenue Elstree Borehamwood Hertfordshire WD6 3JE
Alterations to fenestration to include replacement of garage door with window and side elevation window changes.
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26/1301/DOC Awaiting decision
Fairbanks Studios Eldon Avenue Borehamwood Hertfordshire WD6 1JF
Application for approval of details reserved by condition 14 (commerical kitchen extract systems) of planning permission reference 25/0642/FUL.
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26/1302/DOC Awaiting decision
Cedar House 73 Blanche Lane South Mimms Potters Bar Hertfordshire EN6 3PA
Application for approval of details reserved by condition 3 (fenestration) of planning permission reference 23/0921/LBC.
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26/1231/TPO Awaiting decision
Grasmere Lodge Dugdale Hill Lane Potters Bar Hertfordshire
T1 - Oak Tree - Monolith one mature Oak tree to reduce approximately 4-6m in height to have a final height of 8-10m and a spread of 3-4m. T2 - Fell one dead Chestnut tree to ground level. The trees are in a serious and increasingly dangerous health and safety issue concerning these mature trees situated within the car parking and pedestrian areas.
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26/1298/HSE Awaiting decision
53 Caishowe Road Borehamwood Hertfordshire WD6 5JB
Single storey front, side and rear extension. (Retrospective application)
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26/1300/CLP Awaiting decision
111 Church Road Potters Bar Hertfordshire EN6 1EY
Conversion of loft to habitable space to include rear dormer, 3x front rooflights and removal of chimney stack Certificate of Lawful Development (Proposed).
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26/1295/HSE Awaiting decision
82 Newberries Avenue Radlett Hertfordshire WD7 7EP
Conversion of garage to habitable room, relocation of access and new front porch, part single/part two storey side extensions, two storey rear extension, conversion of loft to habitable room with rear and side dormer, and 5x roof lights, and an application of render to all elevations.
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26/1279/TPO Awaiting decision
7 Loom Lane Radlett Hertfordshire WD7 8AA
T33 - 1 x Horse chestnut to reduce by approximately 2m height and 1.5m width. Cut back to clear roof by 1.5m Reduce from 12m height to 10m height and from 9m lateral spread to 6m lateral spread.
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26/1272/TPO Decided
5 Wordsworth Gardens Borehamwood Hertfordshire WD6 2AB
T8, T9 and T10 all three mature Poplars (canascens). All three trees reduced by 5m to leave a final height of 11m and spread of circa 8m. In order to increase light to neighbouring properties and reduce the vast leaf waste burden on residents, this blocks the roadside drains significantly.
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26/1290/TPO Granted
The Radlett Centre 1 Aldenham Avenue Radlett Hertfordshire WD7 8HL
The tree is a Beech Tree which is located in the car park of The Radlett Centre. The tree is labelled number 1 on the sketch plan. The works are: T1 crown lift of 5.5m above ground level.
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26/1280/TRC Granted
7 Loom Lane Radlett Hertfordshire WD7 8AA
1 x Cotoneaster to remove to ground level. Tree is dead
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26/1286/FUL Awaiting decision
Southridge Animal Centre Packhorse Lane Ridge Potters Bar Hertfordshire EN6 3LZ
Retention of two marquees to facilitate the redevelopment masterplan for the Southridge Animal Centre.
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26/1294/FUL Awaiting decision
Longacres Wagon Road Barnet Hertfordshire EN4 0PN
Installation of 117 kWp Solar Array together with batteries storage, Solar Array comprises 228 solar panels, arranged in 4 rows, and located in meadow area to southwest of main house garden area.
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26/1289/DOC Awaiting decision
Shell Travellers Check Elstree Way Borehamwood Hertfordshire WD6 1LB
Application for approval of details reserved by conditions 3 (contamination investigation and risk assessment), 4 (detailed remediation scheme) and 5 (remediation scheme completion) of planning permission reference 25/1394/FUL.
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26/1287/HSE Awaiting decision
57 Aberdale Gardens Potters Bar Hertfordshire EN6 2JN
Demolition of existing conservatory and construction of single storey side and rear extension.
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26/1284/HSE Awaiting decision
32 Bullhead Road Borehamwood Hertfordshire WD6 1HS
Single storey rear extension and front porch.
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26/1283/CLP Awaiting decision
32 Bullhead Road Borehamwood Hertfordshire WD6 1HS
Conversion of loft to habitable space to include hip to gable roof alterations, rear dormer, 2x front rooflights and removal of chimney stack. Certificate of Lawful Development (Proposed).
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26/1285/DOC Awaiting decision
Oak Lodge 6A Loom Lane Radlett Hertfordshire WD7 8AD
Application for approval of details reserved by conditions 3 (Arboricultural Method Statement) and 4 (materials) of planning permission reference 25/0546/HSE.
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26/1288/MA Awaiting decision
44 Koh-i-noor Avenue Bushey Hertfordshire WD23 3EJ
Application for a non-material amendment to allow for removal of first floor side window following the grant of planning permission ref 24/0722/HSE.
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26/1282/FUL Awaiting decision
188 Mutton Lane Potters Bar Hertfordshire EN6 2AW
Change of use from class C4 (6 bedroom HMO) to sui generis (7 bedroom HMO) use facilitated by internal alterations, loft extension and bin and bike storage.
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26/1276/CLE Awaiting decision
81 Barton Way Borehamwood Hertfordshire WD6 1PQ
Retention of existing use of an outbuilding as a self-contained dwellinghouse. Certificate of Lawful Development (Existing).
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26/1281/MA Awaiting decision
Former Quickco Stirling Way Borehamwood Hertfordshire WD6 2AX
Application for a non-material amendment to allow for relocation of substation and changes to the enclosure following the grant of planning permission reference 25/1268/FUL.
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26/1273/TPO Awaiting decision
Cedar Cottage 8A Cobden Hill Radlett Hertfordshire WD7 7JP
1 x Deodar cedar to reduce from 14m to 11.5m (2.5m) height. Width to reduce from 12m to 9m Branches are hugely overhanging the property next door. Client wants to maintain the size of the tree as its high for position
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26/1278/TRC Granted
The Vicarage Church Field Watling Street Radlett Hertfordshire WD7 8EE
Corkscrew Willow to fell (in decline)
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26/1246/TPO Granted
8 Athlone Close Radlett Hertfordshire WD7 7JF
T7 Pine - Tree is located in the rear garden - Deadwood crown and remove snapped out limb from crown of tree to eliminate the risk of failure. T8 Lime - tree is located in the rear garden of the property. Reduce tree by 2m height to give a final height of around 18m and reduce by around 2m to give final width of around 15m.
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26/1274/DOC Awaiting decision
Hazel Tree Lodge Back Lane Letchmore Heath Watford Hertfordshire WD25 8EF
Application for part discharge of details reserved by conditions 3 (external materials) and 4 (details of windows, doors, fascia and sills) of planning permission reference 26/0392/HSE.
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26/1275/CLP Awaiting decision
29 Koh-i-noor Avenue Bushey Hertfordshire WD23 3EJ
Conversion of loft to habitable space with rear dormer and insertion of 3x front rooflights. Certificate of Lawful Development (Proposed).
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26/1267/DOC Awaiting decision
Tamworth Court Belle Vue Lane Bushey Hertfordshire
Application for approval of details reserved by conditions 6 (refuse storage and collection) and 7 (cycle storage) of planning permission reference 24/0104/FUL.
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26/1270/DOC Awaiting decision
South Medburn Farm Watling Street Elstree Borehamwood Hertfordshire WD6 3AA
Application for approval of details reserved by condition 18 (lighting strategy) of planning permission reference 25/1373/VOC.
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26/1268/FUL Awaiting decision
69 Goodyers Avenue Radlett Hertfordshire WD7 8AZ
Erection of detached two storey 5x bed dwelling including habitable space at basement and loft level on land behind 69 Goodyers Avenue, with associated vehicular parking & landscaping.
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26/1269/PD28O Awaiting decision
29 Newlands Avenue Radlett Hertfordshire WD7 8EJ
Demolition of the existing buildings at 29 Newlands Avenue. (Application for Prior Approval)
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26/1239/TRC Granted
The Dell Church Lane Aldenham Watford Hertfordshire WD25 8BE
T1 Beech (2 limbs)- Reduce the identified eastern lateral limb over Church Lane by apporx 6 metres, leaving a final length of approximately 8m,removing the overhang of the road and footway. Following a recent limb failure (after the report was written), it is suggested that a limb overhanging the road, is also reduced by approximately 3.5m, leaving a final length of approximately 8m. T2 Sycamore (tag 1791)- Reduce to an 8m monolith above the stem cavity, retaining the standing stem as habitat. T4 Lime (tag 1789) -Reduce the crown by approx 2m, so that the final crown spread is approximately 6m and the height is approx. 14m G1 - crown lift, overhanging public foothpath and road so that the final height is 2.5m over the path and 6m over the road to give clear pedestrian and vehicular access.
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26/1261/FUL Awaiting decision
18 High Road Bushey Heath Bushey Hertfordshire WD23 1GG
Change of use from Class E (Ground floor only) to single dwelling (Use Class C3); partial demolition of ground floor rear extensions and construction of first floor infill extension, associated external alterations, alterations to fenestration and front entrance.
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26/1259/MPO Awaiting decision
Aldenham Reservoir Aldenham Road Elstree Hertfordshire
Application to modify planning obligation dated 2nd July 2024 to modify the definition of 'substantially commenced' within the Section 106 Agreement secured pursuant to the planning applications for 1) Aldenham Reservoir Safety Improvement Works at the Aldenham Reservoir Dam (application ref. 22/2148/FUL) and 2) Employment Development at Land to the South of Aldenham Reservoir (application ref. 22/2147/OUT).
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26/1257/FUL Awaiting decision
Land South Of Wilton End Cottage Radlett Lane Shenley Hertfordshire
Construction of three detached dwellings and entrance pavilion with associated access, parking and hard and soft landscaping.
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26/1260/HSE Awaiting decision
26 Caishowe Road Borehamwood Hertfordshire WD6 5JA
Demolition of existing outbuilding to facilitate construction of single storey side and rear extension.
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26/1258/CLP Awaiting decision
106 Whitehouse Avenue Borehamwood Hertfordshire WD6 1HE
Construction of single storey rear extension. Certificate of Lawful Development (Proposed).
Recent decisions
Data to September 2026
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25/1648/FUL Decided
30 Beech Avenue Radlett Hertfordshire WD7 7DE
Demolition of existing dormer bungalow and construction of two storey detached house with accommodation at loft level, cycle and bin stores, front boundary works, and alterations to front and rear hard and soft landscaping.
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26/1246/TPO Granted
8 Athlone Close Radlett Hertfordshire WD7 7JF
T7 Pine - Tree is located in the rear garden - Deadwood crown and remove snapped out limb from crown of tree to eliminate the risk of failure. T8 Lime - tree is located in the rear garden of the property. Reduce tree by 2m height to give a final height of around 18m and reduce by around 2m to give final width of around 15m.
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26/1001/FUL Refused
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Change of use from class C4 (6 Bed HMO) to sui generis (10 bedroom HMO) use facilitated by internal alterations and new dropped kerb.
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26/1000/CLE Granted
81 Sunnybank Road Potters Bar Hertfordshire EN6 2NL
Conversion of house to 6x bed HMO (Class C4). Certificate of lawful development (Existing).
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26/0248/FUL Granted
8 - 9 Station Close Potters Bar Hertfordshire EN6 1TL
Change of use from existing warehouse (Use Class B8) to provision of medical or health services (Use Class E) and erection of cycle storage.
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26/0885/HSE Granted
89 Hatfield Road Potters Bar Hertfordshire EN6 1HZ
Demolition of existing detached garage and construction of part single, part two storey front, side and rear extension.
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26/0900/FUL Granted
The Pavilion 82 Aycliffe Road Borehamwood Hertfordshire WD6 4JW
Change of use from F2 (football club) to a mix of F2 and E (f) for the additional provision of preschool services.
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25/0138/FUL Decided
Bhaktivedanta Manor Dharam Marg Hilfield Lane Aldenham Watford Hertfordshire WD25 8EZ
Refurbishment of the Goshala building and erection of new agricultural barn near to the Goshala building. New agricultural barn and replacement of existing polytunnels with glasshouse near to Holland farm as well as oxen cart and pedestrian footpaths to connect Holland farm with the Goshala building.
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26/1290/TPO Granted
The Radlett Centre 1 Aldenham Avenue Radlett Hertfordshire WD7 8HL
The tree is a Beech Tree which is located in the car park of The Radlett Centre. The tree is labelled number 1 on the sketch plan. The works are: T1 crown lift of 5.5m above ground level.
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26/1280/TRC Granted
7 Loom Lane Radlett Hertfordshire WD7 8AA
1 x Cotoneaster to remove to ground level. Tree is dead
The full record
Decisions between 2004 and 2026
PlanIndex holds 3,279 decisions from Hertsmere between 2004 and 2026, part of 3,769 applications on record. Over that period 86% of clear-cut outcomes were approvals, 2,439 granted against 389 refused. The busiest single year was 2026, with 1,016 applications recorded.
The trailing-year figures above track current activity. This record reaches back further, so a decision here may predate the online portal; each application still has its own page with the source link.
From the archive
Earliest records shown in full
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TP/04/0047 Decided
Not In Hertsmere Slopers Pond Farm Stag Hill Hadley Wood EN4 0PX.
Formation of a manege (Consultation by Enfield Borough Council)
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TP/05/0638 Granted
Not In Hertsmere Slopers Pond Farm Stagg Hill Barnet EN4 0PX
Construction of general purpose agricultural buildings. (Consultation from London Borough of Enfield)
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TP/06/1352 Granted
108 Park Avenue Bushey WD23 2BB
*Electronic record only, no paper fileDormer window in rear roof slope following removal of existing rooflights.
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TP/06/1283 Withdrawn
101 Elstree Road Bushey Heath WD23 4EG
Erection of first floor side extension.
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TPO/2006/525 Granted
59 Robeson Way Borehamwood Hertfordshire WD6 5RY
LOMBARDY POPLAR - Fell.
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TRC/2006/521 Granted
1 Primrose Cottages Aldenham Road Radlett Hertfordshire WD7 8AT
ASH - Remove lower overhanging limbs. SYCAMORE x 2 - Remove lower overhanging limbs. 20% crown thin.
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TP/06/1348 Granted
N I B S C Blanche Lane South Mimms EN6 3QG
Erection of single storey laboratory building at the centre of the site (temporary permission).
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TPO/2006/533 Granted
71 Robeson Way Borehamwood Hertfordshire WD6 5RY
POPLAR x 2 - Remove
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TP/06/1400 Refused
177 Shenley Road Borehamwood WD6 1AW
Installation of 1 x vertical extract duct and 1 x angled intake cone to the rear of the premises.
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TP/06/1540 Withdrawn
36 & 38 Goodyers Avenue Radlett WD7 8BA
Demolition of existing bungalows and replacement with two separate 5 bedroom detached houses.
Decision speed
12 months to September 2026, where both dates are published
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Within 8 weeks the statutory target for most applications 313 48%
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8 to 13 weeks the target band for major development 186 29%
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Over 13 weeks often extended by agreement 149 23%
Planning agents in Hertsmere
The firms named as agent on the most applications on this register. Company information only.
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A.J Ferryman & Associates 90% granted overall 61
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Dimensions- Planning&Architecture 65% granted overall 46
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Steene Associates (Architects) Ltd 94% granted overall 45
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Warner Planning Ltd 83% granted overall 37
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Town & Country Planning Limited 85% granted overall 34
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hgh Consulting Ltd 89% granted overall 31
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Bartlett Tree Experts Ltd 96% granted overall 25
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David Lock Associates Ltd 99% granted overall 25
Browse by ward
Applications by ward in Hertsmere
- Aldenham East 368
- Aldenham West 386
- Bentley Heath & The Royds 171
- Borehamwood Brookmeadow 205
- Borehamwood Cowley Hill 174
- Borehamwood Hillside 213
- Borehamwood Kenilworth 179
- Bushey Heath 197
- Bushey North 186
- Bushey Park 210
- Bushey St James 217
- Elstree 250
- Potters Bar Furzefield 195
- Potters Bar Oakmere 166
- Potters Bar Parkfield 258
- Shenley 291
Browse by postcode area
Applications by postcode district
Common questions
How many planning applications does Hertsmere decide?
In the 12 months to September 2026, Hertsmere decided 648 planning applications. 87% of clear-cut outcomes were approvals.
How long does a planning decision take in Hertsmere?
The median time from a planning application being received to a decision was 58 days over the 12 months to September 2026. Individual cases vary with complexity and consultation responses.
How many Hertsmere decisions arrive within the eight week target?
Of the 648 decisions in the 12 months to September 2026 where both dates are published, 48% came within eight weeks of the application being received, and 77% within thirteen weeks.
How many planning applications has Hertsmere decided in total?
PlanIndex holds 3279 decisions from Hertsmere between 2004 and 2026, out of 3,769 applications on record. Across that whole period 86% of clear-cut outcomes were approvals.
When is planning activity busiest in Hertsmere?
July 2026 was the busiest month across the 12 months to September 2026, with 156 applications recorded. The monthly pattern is listed on this page.
How do I find a planning application by its reference number?
Every application indexed here has its own page at a stable address. Look the reference up in a search engine together with the council name, or browse the latest applications below. Each page shows the description, address, dates and decision as the council published them.
Where can I see the full documents for an application?
Plans, drawings and officer reports stay on Hertsmere's own planning portal. Every application page here links straight to the source record.
Cite these figures
Click the text to select the whole citation.
Hertsmere: 3,769 planning applications on record as of September 2026. Trailing 12 months: 648 decided, 87% approved, median 58 days to a decision. 1,082 new applications received in the same period. Decisions on record run between 2004 and 2026: 3,279 in total, 86% approved. Source: PlanIndex, planindex.co.uk.