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Permitted25/P1638Submitted over a year agoTwo-storey extension

8 Watery Lane Merton SW20 9AA

REPLACEMENT OF SINGLE STOREY REAR OUTRIGGER WITH ERECTION OF TWO STOREY EXTENSION, ERECTION OF SIDE (NORTH) SINGLE STOREY EXTENSION, INSERTION OF NEW WINDOWS AND DOORS ON REAR AND SIDE ELEVATIONS, REPLACEMENT WINDOWS AND TILES AND ADDITION OF ROOFLIGHTS TO THE REAR ON THE MAIN ROOFSLOPE AND REAR EXTENSION ROOFSLOPE AND ASSOCIATED LANDSCAPING.

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Progress

Submitted
2 Jun 2025
— completed
Validated
2 Jun 2025
— completed
Consultation
20 Aug 2025
— completed
Target date
27 Aug 2025
— completed
Decided
27 Aug 2025
— completed

Application details

Reference
25/P1638
Local authority
Merton
Postcode
SW20 9AA
Ward
Merton Park
Application type
Householder
Property type
House

Key dates

Submitted
2 Jun 2025
Validated
2 Jun 2025
Comments close
20 Aug 2025
Target decision
27 Aug 2025
Decided
27 Aug 2025

Estimated project value

£27k–£38k

Based on the 10.0m² 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: 10

Recently sold nearby

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.

Homes here go for about £866,000 — the median of the last 8 market sales in SW20 9AA, £409,000 to £1,705,000.

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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