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PermittedHGY/2022/0270Submitted 4 years agoRear extension

139 Haringey N10 3AG

Certificate of lawfulness for a proposed single storey ground floor rear extension following the demolition of an existing conservatory.

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Progress

Submitted
5 Jan 2022
— completed
Validated
5 Jan 2022
— completed
Consultation
5 Jan 2022
— completed
Target date
2 Mar 2022
— completed
Decided
20 Apr 2022
— completed

Application details

Reference
HGY/2022/0270
Local authority
Haringey
Postcode
N10 3AG
Ward
Muswell Hill
Application type
All Other
Property type
House

Key dates

Submitted
5 Jan 2022
Validated
5 Jan 2022
Comments close
5 Jan 2022
Target decision
2 Mar 2022
Decided
20 Apr 2022

Estimated project value

£9k–£16k

Based on the 3.8m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 3.81

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £1,400,000 — the median of the last 7 market sales in N10 3AG, £1,050,000 to £3,000,000.

Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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