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PermittedP/2021/4607Submitted 4 years agoLoft conversion

12 Watermill Way Hounslow TW13 5NG

Certificate of lawfulness for the erection of a rear roof extension with three front roof windows.

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Map of the site

Progress

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

Application details

Reference
P/2021/4607
Local authority
Hounslow
Postcode
TW13 5NG
Ward
Hanworth (Pre May 2022)
Application type
All Other
Property type
House

Key dates

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

Estimated project value

£33k–£67k

Based on the 21.5m² 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: 21.5m²

Recently sold nearby

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

Homes here go for about £445,000 — the median of the last 8 market sales in TW13 5NG, £65,000 to £525,000.

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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