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Get started15 Cowper Gardens is a three-bedroom mid-terrace house in Wallington (SM6 9RN). It has a recorded floor area of 104 m² (around 1119 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2024) shows a C (score 73). When first surveyed in September 2011 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average; while roof efficiency dropped from Good to Average. The recommended improvements would push it to B (score 87).
Sale prices here have outpaced England HPI: 6.2% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£536/sq ft) was about 99.5% above the typical sold price in the postcode. At 104 m² it's 19.5% larger than the typical home in the postcode (87 m² median across 11 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. Most recent transfer was March 2025 at £600,000 — fresh data. One planning record on file: an extension approved in 2013. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved.
15 Cowper Gardens ranks among the most efficient homes in the postcode for energy use.
15 Cowper Gardens has an approved rear extension on the planning record.
Latest sale on 15 Cowper Gardens was the highest on Land Registry record across the postcode.
£596,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.2% per year over 27 years.
£600,000
Growth on file: 6.2% per year over 27 years.
15 Cowper Gardens outperforms the street on price per m² by a wide margin.
Price per m²
£5,769
Street avg £3,781
Floor Area
104 m²
Street avg 95 m²
Habitable Rooms
5 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Elgin Road — bus stop.

Daytime· 07:00 – 23:00
53.4dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Rear of property
Erection of a conservatory at rear.
28 March 2025Most recent
£600,000
+21.2%over 8 years5 August 2016
£495,000
+67.8%over 4 years21 December 2011
£295,000
+18.0%over 6 years10 November 2005
£249,950
+113.6%over 7 years20 February 1998
£117,000
Median price across the last 5 sales in SM6 9RN: £461,000 (2022–2015).
Street avg 5 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.3 t/year
SM6 9DR
Closest school
0.4 km
Bandon Hill Primary School. 40 schools nearby.
Night-time· 23:00 – 07:00
43.9dB
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