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Refused23/3275/PNHSubmitted 3 years agoRear extension

21 Darwin Close London Borough of Barnet N11 1TA

Single storey rear extension with a proposed depth of 5.00 metres from original rear wall, maximum height of 3.00 metres and eaves height of 2.86 metres. Conversion of existing garage into a habitable room including insertion of window to replace the garage door. Front porch extension

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Progress

Submitted
27 Jul 2023
— completed
Validated
27 Jul 2023
— completed
Consultation
— completed
Target date
7 Sept 2023
— completed
Decided
7 Sept 2023
— completed

Application details

Reference
23/3275/PNH
Local authority
Barnet
Postcode
N11 1TA
Ward
BP22
Application type
Prior Approval
Property type
House

Key dates

Submitted
27 Jul 2023
Validated
27 Jul 2023
Target decision
7 Sept 2023
Decided
7 Sept 2023

Estimated project value

£59k–£97k

Based on the 24.0m² 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: 24

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 3 recent sales are listed below.

Homes here go for about £295,000 — the median of the last 7 market sales in N11 1TA, £255,000 to £630,000.

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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