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PermittedP/4228/22Submitted 3 years agoRear extension

5 MULLION CLOSE Harrow HA3 6PD

CERTIFICATE OF LAWFUL DEVELOPMENT (PROPOSED):Single storey rear extension; outbuilding at rear for use as gym (demolition of outbuilding)

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Map of the site

Progress

Submitted
13 Dec 2022
— completed
Validated
13 Dec 2022
— completed
Consultation
13 Dec 2022
— completed
Target date
7 Feb 2023
— completed
Decided
7 Feb 2023
— completed

Application details

Reference
P/4228/22
Local authority
Harrow
Postcode
HA3 6PD
Ward
Hatch End
Application type
All Other
Property type
House

Key dates

Submitted
13 Dec 2022
Validated
13 Dec 2022
Comments close
13 Dec 2022
Target decision
7 Feb 2023
Decided
7 Feb 2023

Estimated project value

£63k–£105k

Based on the 28.0m² of floor area stated in the application, at outer London rates (2026). Source: FMB / Checkatrade 2026, single-storey extension £1,800-£3,000/m².

Floor area gained: 28m²

Recently sold nearby

Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.

Homes here go for about £305,000 — the median of the last 8 market sales in HA3 6PD, £208,000 to £410,000.

Contains HM Land Registry data © Crown copyright and database right 2022. 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.

Recorded changes

  • 7 Oct 2026: The proposal was amended

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