Council hub · East of England
Hertsmere planning applications
1,030 applications. 84% approved. 60 days to decide.
As of July 2026, PlanIndex holds 1,030 planning applications from Hertsmere. 167 were decided in the trailing 12 months, with 84% of clear-cut outcomes approved.
Latest applications
Data to July 2026
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26/1056/TPO Awaiting decision
Lescale Barnet Lane Elstree Borehamwood Hertfordshire WD6 3QZ
T12 EUCALYPTUS. Reduce tree by 3m to leave a final height of 10m and a spread of 5m. T15 SYCAMORE. Reduce tree by 4m to leave a final height of 16m and a spread of 6m. Reduction is the beginning of a cyclical maintenance plan to ensure the structural integrity, amenity value and health & safety of the trees. The slightly larger reduction is to create balance throughout the garden and increase amenity value.
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26/1049/TPO Awaiting decision
29 Deacons Hill Road Elstree Borehamwood Hertfordshire WD6 3HY
T1 Ash - tree is located in the rear right corner of the back garden. The tree is unbalanced and is carrying lots of weight in the upper crown. The tree is starting to cause damage to the neighbours patio. Carry out a crown reduction, reduce height of tree by around 3m to leave a final height of around 7/8m and reduce the width of the crown by around 2.5m to leave a new width of around 6/7m.
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26/1028/TPO Awaiting decision
15 Nightingale Close Radlett Hertfordshire WD7 8NT
T22. Silver Maple - Left side of the front garden on the boundary. Pollard back to historic points. The tree is circa 6 metres in height with a spread of 6 metres. Once pollarded, the remaining height will be 3 metres, and the spread will be 3.5 metres.
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26/1014/CLP Awaiting decision
24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD
Construction of a single-storey outbuilding within the rear garden. Certificate of Lawful Development (Proposed).
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26/1015/CLP Awaiting decision
24 Mount Grace Road Potters Bar Hertfordshire EN6 1RD
Construction of a single-storey BBQ within the garden. Certificate of Lawful Development (Proposed).
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26/1027/ADJ Awaiting decision
Units 4 To 5 Riverside Industrial Estate London Colney Bypass London Colney Hertfordshire
Submission of Reserved Matters (details of appearance, landscaping, layout and scale) following Outline permission 5/2025/1841 dated 25/03/2026 for Variation of Condition 3 (approved plans) to amend the approved Paramete. (Adjacent Authority application)
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26/1013/HSE Awaiting decision
29 Willow Way Potters Bar Hertfordshire EN6 2PR
Construction of a single-storey rear extension to include alterations to fenestration and extention of internal loft space.
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26/1011/CLE Awaiting decision
6 Brickfield Cottages Theobald Street Borehamwood Hertfordshire WD6 4SD
Construction of a single-storey detached outbuilding within the rear garden of the existing dwellinghouse for use as a private gym incidental to the enjoyment of the main dwelling (Use Class C3). Certificate of Lawful Development (Existing).
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26/1008/FUL Awaiting decision
31 Tempest Avenue Potters Bar Hertfordshire EN6 5JU
Change of use from class C4 (6 Bed HMO) to sui generis (12 bedroom HMO) use facilitated by internal alterations, provision of waste and cycle storage, and installation of new dropped kerb.
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26/1002/FUL Awaiting decision
6 Brickfield Cottages Theobald Street Borehamwood Hertfordshire WD6 4SD
Subdivision of the existing dwelling into two self-contained one-bedroom dwellings (Use Class C3), together with minor internal alterations, enlarged refuse storage, secure cycle storage and associated operational improvements. (Part retrospective.)
Recent decisions
Data to July 2026
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26/0698/FUL Granted
67 Cotton Road Potters Bar Hertfordshire EN6 5JJ
Change of use from a 6 occupant HMO (use class C4) to a house of multiple occupancy for 7 occupants (HMO - Sui Generis), front boundary works to include dropped kerb, vehicular hardstanding and bin and bike storage.
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26/0766/FUL Granted
10A The Walk Potters Bar Hertfordshire EN6 1QL
Construction of outbuilding to rear garden for use as gym and office.
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26/0872/CLP Granted
118 Theobald Street Borehamwood Hertfordshire WD6 4PA
Conversion of loft to habitable space with associated hip to gable roof alterations, to include rear dormer, insertion of 3x front rooflights and removal of chimney stack. Certificate of Lawful Development (Proposed).
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26/0953/TRC Decided
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
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26/0524/TPO Refused
12 Richfield Road Bushey Hertfordshire WD23 4LQ
T1 reduce the tree by approximately 1 metre in height and to reduce the overall crown spread by 1 metre with the proposed height following completion of works being circa 8m in height with a 5m crown spread.
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26/0706/ADV Granted
Shell Travellers Check Elstree Way Borehamwood Hertfordshire WD6 1LB
Installation of existing refurbished 7m internally illuminated monolith sign, new non-illuminated A/SW Sign, 3x hanging signs and wall-art banner, non-illuminated fascia with internally illuminated Shell Select and Open Hours Sign, internally illuminated projecting sign and badge sign. (Application for Advertisement Consent.)
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26/0584/VOC Refused
Wild Orchid Barnet Lane Elstree Borehamwood Hertfordshire WD6 3QZ
Variation of condition 13 (plans) to allow for external alterations following grant of planning permission 22/0331/FUL.
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26/0629/HSE Granted
87 Manor Way Borehamwood Hertfordshire WD6 1QR
Demolition of existing outbuilding and construction of single storey side extension with associated roof alterations.
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25/1482/DOC Decided
Garages To Rear Of 23-25 Park Road And Land To The Rear Of 38-40 Watling Street Radlett Hertfordshire
Application for approval of details reserved by conditions 20 (BNG Management Plan) and 26 (Habitat Monitoring and Management Plan) of planning permission reference 25/0195/FUL.
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26/0498/HSE Granted
16 Melrose Avenue Potters Bar Hertfordshire EN6 1SZ
Construction of single storey side and rear extension and front porch extension.
The full record
Decisions between 2009 and 2026
PlanIndex holds 640 decisions from Hertsmere between 2009 and 2026, part of 1,030 applications on record. Over that period 83% of clear-cut outcomes were approvals, 444 granted against 93 refused. The busiest single year was 2026, with 485 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/09/1214 Granted
46 Santers Lane Potters Bar EN6 2BX
*Electronic documents only, no paper fileEnlargement of front dormer window.
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TP/09/1251 Granted
5 Howard Close Bushey WD23 1PF
Garage conversion (Certificate of Lawful Development for Proposed use)
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TP/09/1430 Granted
Oak House Wagon Road Barnet EN5 4AA
Erection of 2 storey, detached, 4 bedroom dwelling following demolition of existing barn and 1a Oak Cottages.
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TP/09/1437 Granted
3 Allandale Crescent Potters Bar EN6 2JY
*Electronic documents only, no paper fileSingle storey side extension, single storey rear extension. New skylight to flat roof at rear (amended description).
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TP/09/1531 Refused
24 Lexington Close Borehamwood WD6 1UT
*Electronic documents only, no paper fileTwo storey side extension, single storey rearward extension together with new side entrance and gate (Amended drawing received 5.10.2009) (Amended description 2.11.2009)
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TPO/2009/1029 Granted
Beech Tree House The Pathway Radlett Hertfordshire WD7 8JB
BEECH - Extraneous branches to be tip pruned back to suitable growth points approx. 1.5 - 1.75m. LOMBARDY POPLAR Height reduction back to previous reduction points of approx. 6-8m.
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TP/09/1493 Granted
149 Watling Street Radlett WD7 7NQ
Installation of 1 no. non-illuminated fascia sign and 2 no. non-illuminated projecting signs (Application for Advertisement Consent).
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TP/09/1602 Granted
16 Harris Lane Shenley Radlett WD7 9EB
*Electronic documents only, no paper fileProposed single storey rear/side extension, relocation of front entrance door and replacement of existing front entrance door with a window.
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TPO/2009/1073 Granted
16A The Warren Radlett Hertfordshire WD7 7DX
ASH - Reduce by 5m.
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TP/09/1806 Granted
Orchard House Mutton Lane Potters Bar EN6 3AX
New glazed entrance beneath existing overhanging canopy incorporating ambulant disabled access steps and wheelchair platform lift, stainless steel balustrade and retrospective application for vehicle access gates to existing car park at rear of building.
Decision speed
12 months to July 2026, where both dates are published
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Within 8 weeks the statutory target for most applications 77 46%
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8 to 13 weeks the target band for major development 53 32%
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Over 13 weeks often extended by agreement 37 22%
Common questions
How many planning applications does Hertsmere decide?
In the 12 months to July 2026, Hertsmere decided 167 planning applications. 84% 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 60 days over the 12 months to July 2026. Individual cases vary with complexity and consultation responses.
How many Hertsmere decisions arrive within the eight week target?
Of the 167 decisions in the 12 months to July 2026 where both dates are published, 46% came within eight weeks of the application being received, and 78% within thirteen weeks.
How many planning applications has Hertsmere decided in total?
PlanIndex holds 640 decisions from Hertsmere between 2009 and 2026, out of 1,030 applications on record. Across that whole period 83% of clear-cut outcomes were approvals.
When is planning activity busiest in Hertsmere?
June 2026 was the busiest month across the 12 months to July 2026, with 143 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.
Cite these figures
Hertsmere: 1,030 planning applications on record as of July 2026. Trailing 12 months: 167 decided, 84% approved, median 60 days to a decision. 528 new applications received in the same period. Decisions on record run between 2009 and 2026: 640 in total, 83% approved. Source: PlanIndex, planindex.co.uk.