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Permitted22/0448/HSESubmitted 4 years agoSide extension

27 Warwick Avenue London Borough of Barnet HA8 8UN

Single storey side extension including relocation of existing side entrance to the front elevation. Alterations to fenestration. (amended description)

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Progress

Submitted
1 Feb 2022
— completed
Validated
1 Feb 2022
— completed
Consultation
—
— completed
Target date
29 Mar 2022
— completed
Decided
29 Mar 2022
— completed

Application details

Reference
22/0448/HSE
Local authority
Barnet
Postcode
HA8 8UN
Ward
HA
Application type
Householder
Property type
House

Key dates

Submitted
1 Feb 2022
Validated
1 Feb 2022
Target decision
29 Mar 2022
Decided
29 Mar 2022

Estimated project value

£68k–£115k

Based on the 30.0m² 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: 30m²

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 £650,000 — the median of the last 8 market sales in HA8 8UN, £577,500 to £875,000.

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.

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