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Get started11 Birchwood Avenue is a three-bedroom semi-detached house in Wallington (SM6 7HE). It has a recorded floor area of 86 m² (around 926 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2020) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in April 2011 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good. The recommended improvements would lift it to B (score 87), a 2-band jump. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position.
3 planning records sit against the property, 1 approved, 0 refused, 2 pending. Past consents include a loft conversion, meaningful when judging how the property has evolved. An active application for an extension is awaiting a decision. Sale prices here have outpaced England HPI: 6% per year against 0% for the wider region. Today's modelled estimate of £564,000 is 15.1% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£529/sq ft) was about 88.1% above the typical sold price in the postcode. Sold June 2020 for £490,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes both a loft conversion and an extension — the classic family-home expansion.
Erection of two storey side extension and a single storey rear extension.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£564,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.0% per year over 9 years.
£490,000
Growth on file: 6.0% per year over 9 years.
On epc rating, 11 Birchwood Avenue stands well clear of the street.
Price per m²
£5,698
Street avg £3,939
Floor Area
86 m²
Street avg 102 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
Beddington Park — bus stop.

Daytime· 07:00 – 23:00
51.4dB

Changes detected from historical EPC data
Roof insulation improved
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Extension: Single storey · Side and rear of property
Erection of a single storey side and rear extension.
1 more application for this property
Join to see all planning history.
12 June 2020Most recent
£490,000
+65.3%over 8 years18 November 2011
£296,500
Median price across the last 5 sales in SM6 7HE: £475,000 (2021–2016).
Street avg 6 rooms
CO₂ Emissions
3.3 t/year
Street avg 4.7 t/year
SM6 7JQ
Closest school
0.6 km
Wallington County Grammar School. 43 schools nearby.
Night-time· 23:00 – 07:00
43.5dB
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