437 Cannon Hill Lane Merton SW20 9HH
APPLICATION TO DETERMINE WHETHER PRIOR APPROVAL IS REQUIRED IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH THE FOLLOWING DIMENSIONS; EXTENDS BEYOND THE REAR WALL OF THE ORIGINAL DWELLINGHOUSE BY 4 METRES THE MAXIMUM HEIGHT OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 3.85 METRES THE HEIGHT OF THE EAVES OF THE ENLARGED PART OF THE DWELLINGHOUSE WILL BE 2.7 METRES
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Progress
Application details
- Reference
- 19/P2031
- Local authority
- Merton
- Postcode
- SW20 9HH
- Ward
- Lower Morden_histroic
- Application type
- Prior Approval
- Property type
- House
Key dates
- Submitted
- 7 Jun 2019
- Validated
- 7 Jun 2019
- Comments close
- 2 Jul 2019
- Target decision
- 18 Jul 2019
- Decided
- 18 Jul 2019
Estimated project value
£41k–£75k
Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².
Recently sold nearby
Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts.
- 391 CANNON HILL LANE, LONDON, SW20 9HHTerraced · £1,100,0006 months ago13 Feb 2026
- 433 CANNON HILL LANE, LONDON, SW20 9HHSemi-detached · £650,0003 years ago21 Jul 2023
- 399 CANNON HILL LANE, LONDON, SW20 9HHTerraced · £620,0003 years ago24 Mar 2023
- 443 CANNON HILL LANE, LONDON, SW20 9HHTerraced · £858,0114 years ago1 Dec 2021
- 425 CANNON HILL LANE, LONDON, SW20 9HHTerraced · Not a standard market sale · £550,0004 years ago30 Sept 2021
- 457 CANNON HILL LANE, LONDON, SW20 9HHTerraced · Not a standard market sale · £650,0005 years ago6 Aug 2021
- 459 CANNON HILL LANE, LONDON, SW20 9HHTerraced · Not a standard market sale · £650,0005 years ago30 Jun 2021
- 405 CANNON HILL LANE, LONDON, SW20 9HHTerraced · Not a standard market sale · £430,0007 years ago27 Nov 2018
Homes here go for about £754,006 — the median of the last 4 market sales in SW20 9HH, £620,000 to £1,100,000.
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
- Cannon Hill Lane Merton SW20 9HHPermittedNext door
- 433 Cannon Hill Lane Merton SW20 9HHPendingNext door
- 433 Cannon Hill Lane Merton SW20 9HHPermittedNext door
- 431 Cannon Hill Lane Merton SW20 9HHPermittedAdjoining
- 431 Cannon Hill Lane Merton SW20 9HHPermittedAdjoining
- 449 Cannon Hill Lane Merton SW20 9HHRefused55 yd