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Permitted22/3965/HSESubmitted 4 years agoRear extension

8 Valley Avenue London Borough of Barnet N12 9PG

Single storey side/rear extension. Conversion of garage into habitable space, replacement of garage door with window. Changes to fenestration

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Progress

Submitted
4 Aug 2022
— completed
Validated
4 Aug 2022
— completed
Consultation
—
— completed
Target date
29 Sept 2022
— completed
Decided
28 Sept 2022
— completed

Application details

Reference
22/3965/HSE
Local authority
Barnet
Postcode
N12 9PG
Ward
WO22
Application type
Householder
Property type
House

Key dates

Submitted
4 Aug 2022
Validated
4 Aug 2022
Target decision
29 Sept 2022
Decided
28 Sept 2022

Estimated project value

£33k–£55k

Based on the 13.5m² 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: 13.5m² · 1 additional bedrooms

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 £942,500 — the median of the last 8 market sales in N12 9PG, £750,000 to £1,100,000.

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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