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Get started1 Keswick Avenue is a three-bedroom semi-detached house in Merton, London, London (SW19 3JE). It has a recorded floor area of 113 m² (around 1216 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (February 2016) shows an E (score 48), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 83), a 3-band jump. The latest certificate is from February 2016, so improvements made since then won't be reflected.
2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. At 113 m² it's 23.6% smaller than the typical home in the postcode (148 m² median across 19 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). Today's modelled estimate of £1,277,000 is 18.8% above the 2016 sale price. On a £-per-square-foot basis, the last sale (£884/sq ft) was about 105.9% above the typical sold price in the postcode. Last changed hands 10 years ago, in June 2016.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 04 Feb 2026
1 Keswick Avenue has an approved single-storey side extension on the planning record.
APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A HIP TO GABLE & REAR ROOF EXTENSION.
1 Keswick Avenue valuation sits well clear of the typical sold price in this postcode.
£1,277,000
Modelled from EPC, postcode comparables.
£1,075,000
Recorded with HM Land Registry.
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Detailed AI analysis
Price per m² for 1 Keswick Avenue runs comfortably ahead of the street norm.
Price per m²
£9,513
Street avg £6,008
Floor Area
113 m²
Street avg 152 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Kenley Road / Mostyn Road — bus stop.

Daytime· 07:00 – 23:00
50.0dB

Extension: Single storey · Side of property
ERECTION OF SINGLE STOREY SIDE EXTENSION
28 June 2016Most recent
£1,075,000
Median price across the last 5 sales in SW19 3JE: £1,050,000 (2025–2018).
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Street avg 6 rooms
CO₂ Emissions
5.2 t/year
Street avg 6.7 t/year
SW19 3JA
Closest school
0.1 km
Merton Park Primary School. 46 schools nearby.
Night-time· 23:00 – 07:00
40.4dB