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PermittedP/2024/2678Submitted 2 years agoLoft conversion

158 Ash Grove Hounslow TW5 9DS

Certificate of Lawfulness for the proposed erection of a rear roof extension with hip to gable conversion and front roof windows to the house.

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Map of the site

Progress

Submitted
6 Aug 2024
— completed
Validated
6 Aug 2024
— completed
Consultation
6 Aug 2024
— completed
Target date
1 Oct 2024
— completed
Decided
30 Sept 2024
— completed

Application details

Reference
P/2024/2678
Local authority
Hounslow
Postcode
TW5 9DS
Ward
Heston West
Application type
All Other
Property type
House

Key dates

Submitted
6 Aug 2024
Validated
6 Aug 2024
Comments close
6 Aug 2024
Target decision
1 Oct 2024
Decided
30 Sept 2024

Estimated project value

£33k–£69k

Based on the 22.1m² of floor area stated in the application, at outer London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 22.12m² · 1 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £532,000 — the median of the last 5 market sales in TW5 9DS, £495,000 to £632,000.

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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