← Back to search

Permitted25/P0299Submitted over a year agoLoft conversion

325 Cannon Hill Lane Merton SW20 9HQ

ERECTION OF A HIP TO GABLE ROOF EXTENSION, REAR ROOF DORMER EXTENSION AND FRONT ROOF DORMER EXTENSION.

Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.

Map of the site

Progress

Submitted
11 Mar 2025
— completed
Validated
11 Mar 2025
— completed
Consultation
18 Apr 2025
— completed
Target date
16 May 2025
— completed
Decided
14 May 2025
— completed

Application details

Reference
25/P0299
Local authority
Merton
Postcode
SW20 9HQ
Ward
Cannon Hill
Application type
Householder
Property type
House

Key dates

Submitted
11 Mar 2025
Validated
11 Mar 2025
Comments close
18 Apr 2025
Target decision
16 May 2025
Decided
14 May 2025

Estimated project value

£73k–£150k

Based on the 45.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 45 · 2 additional bedrooms

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 2 recent sales are listed below.

Homes here go for about £687,500 — the median of the last 6 market sales in SW20 9HQ, £550,000 to £825,000.

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