Planning applications in Hertsmere, September 2026
Hertsmere recorded 67 planning applications in September 2026, listed newest first over 2 pages. Dates are as received, or as decided where the council publishes no submission date.
Applications, September 2026
Newest first ยท page 1 of 2
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26/1341/TRC Awaiting decision
Letchmore House The Green Letchmore Heath Watford Hertfordshire WD25 8ES
T1: Poplar (20m): Remove lower 7 branches as marked on photo to allow more light and rainwater into beds T2: Maple (16m): Fell due to excessive lean and risk of snapping branches T3: Willow (15m): Reduce crown over neighbouring property by 3m to prevent overextending branches snapping. Starting height:15m - final height 15m. Starting spread 15m - final spread 12m.
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26/1355/TRC Awaiting decision
18 London Road Shenley Radlett Hertfordshire WD7 9EN
T1 Common Lime tree - Pollard - establish pollard at approximately 9M, Current height is last measured at 14M in height. (Tree appears to have been previously pollarded at approx. 9M.)
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26/1350/TRC Awaiting decision
25 Loom Lane Radlett Hertfordshire WD7 8AA
T3 Beech: Approximate existing crown spread: 6m. Cut back overhanging lateral growth by approximately 2m, reducing crown spread from approximately 6m to 4m on the affected side and maintaining approximately 2m clearance from the property. No overall height reduction is proposed.
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26/1346/TRC Awaiting decision
2 The Crescent Aldenham Watford Hertfordshire WD25 8AR
Two large Conifers to be removed and stumps ground to the left hand size of the property
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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 Decided
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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26/1332/HSE Awaiting decision
Barn Cottage Grange Lane Letchmore Heath Watford Hertfordshire WD25 8DY
Erection of 2x pergolas within side and rear amenity space and insertion of 1x conservation rooflight to existing entrance porch roof.
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26/1331/CLP Awaiting decision
96 Dugdale Hill Lane Potters Bar Hertfordshire EN6 2DJ
Alterations to doors and windows on side elevation, insertion of 1x front and 1x rear rooflights, and removal of chimney stack. Certificate of Lawful Development (Proposed).
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26/1329/PD42 Awaiting decision
96 Dugdale Hill Lane Potters Bar Hertfordshire EN6 2DJ
Single storey rear extension. Depth: 6.00m, Height: 2.60m, Eaves: 2.60m.
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26/1328/DOC Awaiting decision
The Conifers Elton Way Watford Hertfordshire WD25 8HD
Application for approval of details reserved by conditions 3 (noise protection scheme), 4 (contamination investigation and risk assessment), 5 (remediation scheme), 8 (imported topsoil scheme), 9 (accessible and adaptable dwellings), 11 (landscaping scheme), 12 (details of walls, fences, bin stores, gates or other means of enclosure), 13 (details of bicycle storage provisions), 14 (details of external surface materials), and 15 (climate change and sustainability statement) of planning permission reference 25/0665/FUL.
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26/1326/TRC Granted
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 Granted
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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26/1324/HSE Awaiting decision
12 Nightingale Close Radlett Hertfordshire WD7 8NT
Partial conversion of garage to habitable space, construction of single storey rear extension and front porch extension, alterations to fenestration.
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26/1323/MA Awaiting decision
2 Orchard Close Elstree Borehamwood Hertfordshire WD6 3PR
Application for a non-material amendment to allow for alterations to roof lights and solar panels, and addition of air conditioning units, air source heat pumps, EV car charger, and obscure windows to side elevations following the grant of planning permission ref 25/1646/VOC.
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26/1325/FUL Awaiting decision
17 Warenford Way Borehamwood Hertfordshire WD6 5ER
Sub-division of dwelling house into 2no. flats to include provision of waste/cycle storage and alterations to fenestration.
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26/1315/CLP Awaiting decision
52 Carrington Avenue Borehamwood Hertfordshire WD6 2HA
Replacement rear dormer and alterations to front roof lights. Certificate of lawful development (Proposed).
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26/1322/TELENQ Awaiting decision
Telecommunications Equipment Opposite Wards Cottages And McGills House Aldenham Road Elstree Hertfordshire
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 Decided
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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26/1307/VOC Awaiting decision
Garages Adjacent To 22 Firs Lane Potters Bar Hertfordshire
Variation of condition 2 (plans) to allow for porch and single storey front extension, side entrance and 2x additional front rooflights following grant of planning permission 25/1104/FUL.
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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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26/1296/FUL Awaiting decision
99 - 101 Shenley Road Borehamwood Hertfordshire WD6 1AG
Alterations to existing ground-floor front window to form a new pedestrian door.
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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 Decided
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 Refused
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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Other months in 2026
- January 2026 28
- February 2026 55
- March 2026 134
- April 2026 148
- May 2026 140
- June 2026 151
- July 2026 156
- August 2026 157
- September 2026 67