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Get startedSt Marys House is a detached house in Ewelme, Wallingford, Wallingford (OX10 6HP). It has a recorded floor area of 249 m² (around 2680 sq ft) and construction records dating it to 1900-1929. The latest certificate (June 2020) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on oil.
At 249 m² it's 29.7% larger than the typical home in the postcode (192 m² median across 7 EPCs). Today's modelled estimate of £1,392,000 is 14.9% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£452/sq ft) was about 81.8% above the typical sold price in the postcode. Last sale on file: £1,211,112 in September 2020. One historical planning record sits against the property in 2025.
St Marys House's carbon output runs well above what efficient homes in the postcode produce.
Three bay garage attached to main house with habitable accommodation in the roof space accessed from the main house at first floor. Single storey rear extension/orangery. Single storey side extension to be used as cloak room. New roof canopy/porch to main entrance.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£1,392,000
Modelled from EPC, postcode comparables.
£1,211,112
Recorded with HM Land Registry.
Habitable Rooms for St Marys House runs comfortably ahead of the street norm.
Price per m²
£4,864
Street avg £3,671
Floor Area
249 m²
Street avg 236 m²
Habitable Rooms
10 rooms
Street avg 7 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
43.7dB

14 September 2020Most recent
£1,211,112
Median price across the last 5 sales in OX10 6HP: £950,000 (2021–2020).
CO₂ Emissions
14.0 t/year
Street avg 12.1 t/year
Village Store — bus stop.
Closest school
0.2 km
Ewelme CofE Primary School. 3 schools nearby.
Night-time· 23:00 – 07:00
36.5dB
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