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Permitted22/3359/HSESubmitted 4 years agoRear extension

18 Guardhouse Way London Borough of Barnet NW7 1FX

Single storey rear extension

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Progress

Submitted
28 Jun 2022
— completed
Validated
28 Jun 2022
— completed
Consultation
—
— completed
Target date
23 Aug 2022
— completed
Decided
7 Oct 2022
— completed

Application details

Reference
22/3359/HSE
Local authority
Barnet
Postcode
NW7 1FX
Ward
TW22
Application type
Householder
Property type
House

Key dates

Submitted
28 Jun 2022
Validated
28 Jun 2022
Target decision
23 Aug 2022
Decided
7 Oct 2022

Estimated project value

£53k–£88k

Based on the 21.7m² 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: 21.7m²

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 7 recent sales are listed below.

Homes here go for about £985,000 — the median of the last 8 market sales in NW7 1FX, £790,000 to £1,174,500.

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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