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PermittedP/2026/2497Submitted last monthSide extension

170 Gunnersbury Avenue (North Circular Road) Hounslow W3 8LB

Single storey side extension to existing detached outbuilding.

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Map of the site

Progress

Submitted
2 Sept 2026
— completed
Validated
2 Sept 2026
— completed
Consultation
20 Oct 2026
— completed
Target date
28 Oct 2026
— completed
Decided
20 Oct 2026
— completed

Application details

Reference
P/2026/2497
Local authority
Hounslow
Postcode
W3 8LB
Ward
Chiswick Gunnersbury
Application type
Householder
Property type
House

Key dates

Submitted
2 Sept 2026
Validated
2 Sept 2026
Comments close
20 Oct 2026
Target decision
28 Oct 2026
Decided
20 Oct 2026

Estimated project value

£59k–£97k

Based on the 24.0m² 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: 24m²

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 £667,500 — the median of the last 6 market sales in W3 8LB, £337,500 to £770,000.

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.

Recorded changes

  • 22 Oct 2026: Approved
  • 22 Oct 2026: Now also includes a side extension

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