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Get started21 Durnsford Avenue is a mid-terrace house in Merton, London, London (SW19 8BH). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (June 2020) shows a C (score 73). The rating has held steady at C across 2 certificates since March 2010. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good.
Sale prices here have outpaced London HPI: 6.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£1,248/sq ft) was about 101.1% above the typical sold price in the postcode. At 47 m² it sits well below the postcode median (111 m² across 35 EPCs), making it one of the more compact homes locally. Most recent transfer: September 2023 at £631,255. Across the public record there are 7 sales, relatively high churn for a single property. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension, meaningful when judging how the property has evolved.
21 Durnsford Avenue's carbon output is low for the local stock.
21 Durnsford Avenue has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
ERECTION OF A SINGLE STOREY REAR INFILL EXTENSION
Sale price has grown by over 3x since 2003.
£630,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 20 years.
£631,255
Growth on file: 6.1% per year over 20 years.
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Rail-style transport is unusually close for this postcode.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Gordondale Road — bus stop.

Daytime· 07:00 – 23:00
50.0dB

Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Single storey · Rear of property
ERECTION OF A SINGLE STOREY REAR EXTENSION WITH NEW PARAPET WALL
22 September 2023Most recent
£631,255
+5.2%over 2 years11 June 2021
£600,000
+0.9%over 3 years17 August 2017
£594,700
+35.9%over 4 years15 August 2013
£437,500
+55.1%over 3 years30 July 2010
£282,000
+15.1%over 1 year22 August 2008
£245,000
+24.4%over 4 years18 December 2003
£197,000
Median price across the last 5 sales in SW19 8BH: £1,106,250 (2025–2024).
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Every application and decision on record
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SW19 8LE
Closest school
0.2 km
Wimbledon Park Primary School. 48 schools nearby.
Night-time· 23:00 – 07:00
40.1dB