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Permitted21/1821/PNHSubmitted 5 years agoRear extension

12 Fairfield Avenue London Borough of Barnet HA8 9AQ

Single storey rear extension measures 6.00 metres in depth from the original rear wall with an eaves height of 3.00m and a maximum height of 3.45m

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Progress

Submitted
31 Mar 2021
— completed
Validated
31 Mar 2021
— completed
Consultation
—
— completed
Target date
12 May 2021
— completed
Decided
12 May 2021
— completed

Application details

Reference
21/1821/PNH
Local authority
Barnet
Postcode
HA8 9AQ
Ward
EW
Application type
Prior Approval
Property type
House

Key dates

Submitted
31 Mar 2021
Validated
31 Mar 2021
Target decision
12 May 2021
Decided
12 May 2021

Estimated project value

£34k–£57k

Based on the 15.0m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 15m²

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 3 recent sales are listed below.

Homes here go for about £560,000 — the median of the last 7 market sales in HA8 9AQ, £449,950 to £760,000.

Contains HM Land Registry data © Crown copyright and database right 2025. 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.

Nearby applications