Derwen Compton Avenue Hornsey London N6 4LH Data via plota.co.uk

HGY/2026/2793 - Full planning permission Under Consultation

Proposal

Retention and modifications to the front and side facades, the erection of a two-storey rear extension, extended crown roof to include attic accommodation and a new basement construction beneath the property with associated landscaping works. This new proposal follows the expired planning application for “partial demolition of the existing building, retention of front façade and erection of new two storey house with enlarged rear envelope”, granted in 2017 (ref: ) and in earlier applications in 2014 and 2012. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
around 9 Oct 2026
Decision
Expected by 4 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 7 Dec 2026, from Haringey's recent full applications.

Documents 26

All documents on the council site ↗

Associated applications 2

  • Part of

    FullApprovedcouncil archive
    • FullRetention and modifications to the front and side facades, the erection of a two-storey rear…This applicationHGY/2026/2793

Site constraints 9

Highgate 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 ↗
Archaeological priority area
An assessment or field evaluation may be asked for before ground works.
The council or Historic England considers archaeology likely here. A desk-based assessment, and sometimes trial trenching, can be asked for with the application.
Air quality management area: Haringey 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 ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
SSSI about 116 m away: Hampstead Heath Woods SSSI
Natural England may need consulting, depending on what is proposed.
Sites of special scientific interest are the best wildlife and geological sites in the country. Development likely to harm one is rarely permitted.
Also on the record
Registered park or garden about 118 m away: Kenwood; 2 listed buildings within 150 m of the postcode pin; Inside the Haringey built-up area; Public transport access: PTAL 1b (very poor), TfL 2023, for the 100 m square.
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 £11,150,000 in October 2013. Detached house, freehold.

11 October 2013£11,150,000Recorded as a transfer outside a standard sale

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

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Important details

Council
Haringey
Application type
Full planning permission
Postcode
N6 4LH
Received
around 9 Oct 2026
Validated
9 Oct 2026
Ward
Highgate
Case officer
Show
Target decision
4 Dec 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Wolff Architects
Freehold owner
Show

Decision outlook

Day 10 of the 56-day target. Haringey usually decides full applications by day 59.

Day 1049 days to the predicted decision (day 59)
45%decided within 8 weeks
85%approved
656decided in the last year

Plota live figures for full applications decided by Haringey in the last twelve months, from validation. Haringey decision record →

Public comments

No public comments yet.

Last counted 15 Oct 2026

Read the comments on the council site ↗

Haringey
Planning Authority Score
4/10
Below average
#192 of 296 councils
Relevant to this application:
Householder decisions

Haringey is slower than most councils at deciding householder applications, ranking #209 out of 296. Householder applications are slightly more likely to be approved here (91%) 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
Haringey decision statistics
Based on MHCLG data, the year to March 2026
85%
Overall approval rate
Below avg (87%) #206 of 296
91%
Householder approved
Above avg (90%) #174 of 296
55%
Decided in 8 weeks
Below avg (63%) #209 of 296
40%
Extended time limit
Below avg (41%) #151 of 296
83%
Minor dwellings approved
279 decided (1-9 homes)
100%
Major dwellings approved
8 decided (10+ homes)
46%
Change of use approved
28 decided
1,469
Total decisions
217 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 owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.