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PermittedP/2019/2240Submitted 7 years agoLoft conversion

18 Holly Road Hounslow TW3 1UN

Certificate of Lawfulness for erection of a rear roof extension with two roof windows to front elevation

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Map of the site

Progress

Submitted
18 Jun 2019
— completed
Validated
18 Jun 2019
— completed
Consultation
—
— completed
Target date
13 Aug 2019
— completed
Decided
2 Jul 2019
— completed

Application details

Reference
P/2019/2240
Local authority
Hounslow
Postcode
TW3 1UN
Ward
Hounslow Central (Pre May 2022)
Application type
All Other
Property type
House

Key dates

Submitted
18 Jun 2019
Validated
18 Jun 2019
Target decision
13 Aug 2019
Decided
2 Jul 2019

Estimated project value

£35k–£94k

Typical UK cost for this job type, at outer London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.

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 £410,000 — the median of the last 7 market sales in TW3 1UN, £357,000 to £450,000.

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.

Nearby applications