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Permitted21/P2642Submitted 5 years agoLoft conversion

20 Northway Merton SM4 4HF

APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT THE ERECTION OF A DORMER WINDOW TO FACILITATE A LOFT CONVERSION

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Progress

Submitted
7 Jul 2021
— completed
Validated
7 Jul 2021
— completed
Consultation
7 Jul 2021
— completed
Target date
1 Sept 2021
— completed
Decided
14 Sept 2021
— completed

Application details

Reference
21/P2642
Local authority
Merton
Postcode
SM4 4HF
Ward
Cannon Hill_historic
Application type
Householder
Property type
House

Key dates

Submitted
7 Jul 2021
Validated
7 Jul 2021
Comments close
7 Jul 2021
Target decision
1 Sept 2021
Decided
14 Sept 2021

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

New owners, recently moved in. First work on a house usually follows within months of completing. 5 recent sales are listed below.

Homes here go for about £581,000 — the median of the last 7 market sales in SM4 4HF, £275,000 to £920,000.

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