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PermittedP/0524/22Submitted 4 years agoLoft conversion

37 Sylvia Avenue Harrow HA5 4QW

CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED): Alterations and extension to roof to form end gable, rear dormer with Juliette balcony; three rooflights in front roofslope

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Progress

Submitted
17 Feb 2022
— completed
Validated
17 Feb 2022
— completed
Consultation
17 Feb 2022
— completed
Target date
14 Apr 2022
— completed
Decided
4 Apr 2022
— completed

Application details

Reference
P/0524/22
Local authority
Harrow
Postcode
HA5 4QW
Ward
Hatch End
Application type
All Other
Property type
House

Key dates

Submitted
17 Feb 2022
Validated
17 Feb 2022
Comments close
17 Feb 2022
Target decision
14 Apr 2022
Decided
4 Apr 2022

Estimated project value

£35k–£72k

Based on the 23.0m² 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: 23 · 1 additional bedrooms

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £690,000 — the median of the last 7 market sales in HA5 4QW, £570,000 to £1,115,000.

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.

Nearby applications