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Permitted26/HOUSE/0955Submitted 3 months agoTwo-storey extension

299 MARTIN WAY Merton SW20 9BU

ERECTION OF A PART SINGLE, PART TWO-STOREY REAR EXTENSION

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Progress

Submitted
18 May 2026
— completed
Validated
18 May 2026
— completed
Consultation
24 Jun 2026
— completed
Target date
13 Jul 2026
— completed
Decided
3 Aug 2026
— completed

Application details

Reference
26/HOUSE/0955
Local authority
Merton
Postcode
SW20 9BU
Ward
Cannon Hill
Application type
Householder
Property type
House

Key dates

Submitted
18 May 2026
Validated
18 May 2026
Comments close
24 Jun 2026
Target decision
13 Jul 2026
Decided
3 Aug 2026

Estimated project value

£23k–£32k

Based on the 8.5m² of floor area stated in the application, at inner London rates (2026). Source: FMB / Checkatrade 2026, two-storey extension £2,000-£2,800/m².

Floor area gained: 8.5 · 1 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 £530,000 — the median of the last 7 market sales in SW20 9BU, £345,000 to £560,000.

Contains HM Land Registry data © Crown copyright and database right 2021. 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

  • 5 Sept 2026: Approved

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