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Permitted19/4344/HSESubmitted 7 years agoRear extension

10 Valley Avenue London Borough of Barnet N12 9PG

Single storey side, including 3no. skylights, and rear extension. Conversion of existing garage into habitable room. Insertion of new pitched gable end roof clad to existing rear windows. Extension to central first floor level

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Progress

Submitted
7 Aug 2019
— completed
Validated
7 Aug 2019
— completed
Consultation
—
— completed
Target date
2 Oct 2019
— completed
Decided
2 Oct 2019
— completed

Application details

Reference
19/4344/HSE
Local authority
Barnet
Postcode
N12 9PG
Ward
WO
Application type
Householder
Property type
House

Key dates

Submitted
7 Aug 2019
Validated
7 Aug 2019
Target decision
2 Oct 2019
Decided
2 Oct 2019

Estimated project value

£41k–£75k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

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.

Nearby applications