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PermittedDM2025/01531Submitted 9 months agoLoft conversion

26 Lumley Road Sutton SM3 8NN

Conversion of loft space involving alterations to existing roofline, a dormer extension at rear, windows to second floor flank elevation, rooflights to front roofslope and removal of chimneys.

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Progress

Submitted
10 Dec 2025
— completed
Validated
10 Dec 2025
— completed
Consultation
—
— completed
Target date
4 Feb 2026
— completed
Decided
2 Feb 2026
— completed

Application details

Reference
DM2025/01531
Local authority
Sutton
Postcode
SM3 8NN
Ward
Cheam
Application type
All Other
Property type
House

Key dates

Submitted
10 Dec 2025
Validated
10 Dec 2025
Target decision
4 Feb 2026
Decided
2 Feb 2026

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: 23m² · 2 additional bedrooms

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 £581,000 — the median of the last 8 market sales in SM3 8NN, £460,000 to £782,500.

Contains HM Land Registry data © Crown copyright and database right 2024. 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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