4 Oak Hill Park London NW3 7LG Data via plota.co.uk

2026/4446/P - Approval of Details New application

Proposal

Details of condition 5 (remediation verification report) of planning permission 2025/1512/P, granted on 31/10/2025 for 'installation of outdoor inground swimming pool in rear garden with associated plant room and 1no Air Source Heat Pump'. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
9 Oct 2026
✓
Validated
13 Oct 2026
Decision
Expected by 8 Dec 2026

Under consideration

No decision has been issued yet. A decision is expected by 8 Dec 2026.

Comments are open until 3 Nov 2026

Comment on this application ↗

Associated applications 2

Site constraints 8

Hampstead conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
3 Article 4 directions
Hampstead Conservation Area (excl. Frognal Way) Non-immediate Article 4 · Hampstead Conservation Area (excl. Frognal Way) (various properties) · Basements. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Air quality management area: Camden AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
3 listed buildings within 150 m of the postcode pin; Priority habitat about 4 m away: Deciduous woodland; Inside the Camden built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square; Designated open space about 5 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 15 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) 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 £8,200,000 in June 2021. Semi-detached house, freehold.

25 June 2021£8,200,000

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

Building

Floor area412 m² (4,435 sq ft)
Energy ratingF (38 out of 100), could reach C
PropertyDetached bungalow, 10 habitable rooms
Built1950 to 1966
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in December 2016, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Camden
Application type
Approval of Details
Postcode
NW3 7LG
Received
9 Oct 2026
Validated
13 Oct 2026
Ward
Frognal
Case officer
Show
Applicant
Show
Agent
Robert Hirschfield Architects

Consultation & key dates

Comments by
3 Nov 2026
Camden
Planning Authority Score
3.1/10
Poor
#231 of 296 councils
Relevant to this application:
Householder decisions

Camden is slower than most councils at deciding householder applications, ranking #242 out of 296. Householder applications are slightly less likely to be approved here (88%) 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
Camden decision statistics
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #149 of 296
88%
Householder approved
Below avg (90%) #215 of 296
49%
Decided in 8 weeks
Below avg (63%) #242 of 296
41%
Extended time limit
Below avg (41%) #158 of 296
90%
Minor dwellings approved
467 decided (1-9 homes)
80%
Major dwellings approved
10 decided (10+ homes)
93%
Change of use approved
46 decided
1,973
Total decisions
234 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.

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.