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Get started12 Dower Avenue is a five-bedroom detached house in Wallington (SM6 0RG). It has a recorded floor area of 254 m² (around 2734 sq ft), construction records dating it to 1930-1949 and council tax band G. The latest certificate (July 2012) shows an E (score 54), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since September 2009. Between certificates, lighting went from Very Poor to Poor; while wall efficiency dropped from Good to Poor. The recommended improvements would lift it to C (score 69), a 2-band jump. The latest certificate is from July 2012, so improvements made since then won't be reflected.
Sale prices here have outpaced England HPI: 6.1% per year against 0% for the wider region. Today's modelled estimate of £968,000 is 47.8% above the 2013 sale price. On a £-per-square-foot basis, the last sale (£240/sq ft) was about 28.1% below the postcode norm. At 254 m² the property is well over the postcode median (189 m² across 10 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. 13 years since the last transfer (March 2013).
12 Dower Avenue's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 09 Jul 2022
Extension: Single storey · Rear of property
Erection of a single storey rear extension and extension of raised patio.
Sale price has at least doubled since 1997.
£968,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 16 years.
£655,000
Growth on file: 6.1% per year over 16 years.
On price per m², 12 Dower Avenue runs well behind the street norm.
Price per m²
£2,579
Street avg £4,083
Floor Area
254 m²
Street avg 209 m²
Habitable Rooms
8 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Hall Road (SM6) — bus stop.

Daytime· 07:00 – 23:00
50.5dB

Extension: Rear of property
Erection of a dormer extension to rear alterations to existing side dormer and roof lights on front roof.
22 March 2013Most recent
£655,000
+48.9%over 12 years20 July 2000
£440,000
+69.2%over 2 years25 July 1997
£260,000
Median price across the last 5 sales in SM6 0RG: £735,000 (2025–2017).
Street avg 8 rooms
CO₂ Emissions
11.0 t/year
Street avg 11.4 t/year
SM6 0RG
Closest school
0.2 km
Wallington High School for Girls. 35 schools nearby.
Night-time· 23:00 – 07:00
41.1dB
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