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Get started20 Borough Avenue is a four-bedroom semi-detached house in Wallingford (OX10 0SP). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (October 2019) shows a D (score 58), a step below the typical UK home. The recommended improvements would lift it to B (score 84), a 2-band jump.
At 103 m² it's 19.8% larger than the typical home in the postcode (86 m² median across 13 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Today's modelled estimate of £428,000 is 22.3% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£316/sq ft) was about 28.2% above the typical sold price in the postcode. Last sale on file: £350,000 in February 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2022.
Recommended upgrades on file would lift this property by multiple EPC bands.
Extension: Single storey · Rear of property
A single storey infill extension (beneath an existing over-sailing first floor structure) and internal alterations.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£428,000
Modelled from EPC, postcode comparables.
£350,000
Recorded with HM Land Registry.
20 Borough Avenue is notably below the street on epc rating.
Price per m²
£3,398
Street avg £3,106
Floor Area
103 m²
Street avg 89 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Borough Avenue HAR — bus stop.

Daytime· 07:00 – 23:00
48.7dB

3 February 2021Most recent
£350,000
Median price across the last 5 sales in OX10 0SP: £312,000 (2025–2014).
CO₂ Emissions
5.4 t/year
Street avg 3.0 t/year
OX10 0DJ
Closest school
0.4 km
St John's Primary School. 8 schools nearby.
Night-time· 23:00 – 07:00
38.3dB
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