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Refused77168/APP/2022/979Submitted 4 years agoLoft conversion

RUISLIP Hillingdon HA4 9LZ

Conversion of roof space to habitable use to include a rear dormer with 2 front roof lights and erection of single storey extension to rear (Application for a Certificate of Lawful Development for a Proposed Development)

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Map of the site

Progress

Submitted
22 Mar 2022
— completed
Validated
22 Mar 2022
— completed
Consultation
—
— completed
Target date
17 May 2022
— completed
Decided
17 May 2022
— completed

Application details

Reference
77168/APP/2022/979
Local authority
Hillingdon
Postcode
HA4 9LZ
Ward
CAVENDISH
Application type
All Other
Property type
House

Key dates

Submitted
22 Mar 2022
Validated
22 Mar 2022
Target decision
17 May 2022
Decided
17 May 2022

Estimated project value

£45k–£92k

Based on the 29.5m² 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: 29.5m² · 1 additional bedrooms

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 £490,000 — the median of the last 7 market sales in HA4 9LZ, £360,000 to £650,000.

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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