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Get started29 Blenheim Gardens is a four-bedroom semi-detached house in Wallington (SM6 9PJ). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1900-1929 and council tax band F. The latest certificate (August 2019) shows an E (score 52), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump. Period features are noted in the property record.
One planning application is currently pending a decision in 2026. At 148 m² it's 26.5% larger than the typical home in the postcode (117 m² median across 16 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 75% of similar EPCs). Today's modelled estimate of £744,000 is 15% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£406/sq ft) was about 71.5% above the typical sold price in the postcode. Sold December 2019 for £647,000.
29 Blenheim Gardens's carbon output runs well above what efficient homes in the postcode produce.
An application for a loft conversion is currently awaiting a decision.
Extension: Single storey · Rear of property
Erection of a single storey rear extension and conversion of loft space involving dormer extensions at rear and rooflights to front roofslope.
29 Blenheim Gardens valuation sits well clear of the typical sold price in this postcode.
£744,000
Modelled from EPC, postcode comparables.
£647,000
Recorded with HM Land Registry.
On co₂ emissions, 29 Blenheim Gardens runs well behind the street norm.
Price per m²
£4,372
Street avg £3,796
Floor Area
148 m²
Street avg 132 m²
Habitable Rooms
7 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
53.3dB

19 December 2019Most recent
£647,000
Median price across the last 5 sales in SM6 9PJ: £622,500 (2025–2019).
Street avg 6 rooms
CO₂ Emissions
7.7 t/year
Street avg 6.3 t/year
SM6 9LD
Closest school
0.5 km
Bandon Hill Primary School. 39 schools nearby.
Night-time· 23:00 – 07:00
43.8dB
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