Wisley Gills Hill Lane Radlett Hertfordshire WD7 8DD Data via plota.co.uk

26/1126/HSE - Householder Application Awaiting decision

Proposal

Conversion of garage to habitable space with window to replace garage door; construction of single storey front extension with flat roof and attached garage with pitched roof, associated hard and soft front landscaping, relocated bin store and boundary works. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
7 Aug 2026
✓
Consultation
17 Sept 2026
Decision
Target date was 2 Oct 2026

Under consideration

No decision has been issued yet. Plota predicted a decision soon after comments close on 8 Oct 2026; it is now day 82.

The consultation period closed on 8 Oct 2026.

Documents 27

Plans & drawings 25

PDF 210-p-001-a Site location and drawing list Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-003-a Site photographs Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-004-a Aerial photograph Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-010-a Existing site / block plan Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-011-a Existing ground floor plan Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-011-a Existing roof plan Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-015-a Existing front elevation Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-016-a Existing west elevation Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-017-a Existing rear elevation Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-018-a Existing east elevation Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-019-a Existing street elevation Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-020-a Existing section a-a Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-022-a Existing site plan with trees Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-031-a Proposed ground floor plan Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-032-a Proposed roof plan Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-035-a Proposed front elevation Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-036-a Proposed west elevation Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-037-a Proposed rear elevation Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-038-a Proposed east elevation Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-039-a Proposed street elevation Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-040-a Proposed section a-a Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-041-a Proposed section b-b Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-042-a Proposed section c-c Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-043-a Proposed site plan with trees Drawing/Plans · 7 Aug 2026 View ↗ PDF 210-p-030-a Proposed site plan Drawing/Plans · 7 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 2

Also on the record
Radon affected area, class 3; Inside the Radlett built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Sales history 1

Last sold for £1,175,000 in July 2014. Detached house, freehold.

2 July 2014£1,175,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area222 m² (2,390 sq ft)
Energy ratingF (35 out of 100), could reach D
PropertyDetached house, 9 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsCavity wall, as built, no insulation (assumed)

From the energy performance certificate lodged in January 2014, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Hertsmere
Application type
Householder Application
Postcode
WD7 8DD
Received
7 Aug 2026
Validated
7 Aug 2026
Ward
Aldenham West
Parish
Aldenham Parish
Target decision
2 Oct 2026
Applicant
Show
Agent
Peter Goulde Architects

Decision outlook

Day 82, past the statutory target. 93% of extensions in Hertsmere are decided within thirteen weeks, which runs to 6 Nov 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 27 Oct 2026.

Day 8226 days past the 56-day target
68%decided within 8 weeks
86%approved
539decided in the last year

Plota live figures for extensions decided by Hertsmere in the last twelve months, from validation. Hertsmere decision record →

Public comments

No public comments yet.

6 neighbours consulted · Last counted 27 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15132613
Planning Portal ref
PP-15132613
Neighbours
14 Aug 2026
Consultation
17 Sept 2026
Comments by
8 Oct 2026
Statutory expiry
2 Oct 2026
Env. assessment
No
Hertsmere
Planning Authority Score
3.3/10
Poor
#225 of 296 councils
Relevant to this application:
Householder decisions

Hertsmere is slower than most councils at deciding householder applications, ranking #243 out of 296. 55% of applications have the time limit extended, above the 41% national average. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Hertsmere decision statistics
Based on MHCLG data, the year to March 2026
93%
Overall approval rate
Above avg (87%) #57 of 296
94%
Householder approved
Above avg (90%) #108 of 296
49%
Decided in 8 weeks
Below avg (63%) #243 of 296
55%
Extended time limit
Above avg (41%) #249 of 296
84%
Minor dwellings approved
102 decided (1-9 homes)
75%
Major dwellings approved
8 decided (10+ homes)
89%
Change of use approved
27 decided
742
Total decisions
55 refused in the year to March 2026

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.