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Get started17 Newnham Green is a three-bedroom detached house in Crowmarsh Gifford, Wallingford, Wallingford (OX10 8EW). It has a recorded floor area of 83 m² (around 893 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (May 2018) shows a D (score 62), on the cusp of jumping into the C band. When first surveyed in August 2016 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good and main heating went from Average to Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
Sale prices here have outpaced England HPI: 7% per year against 0% for the wider region. Today's modelled estimate of £489,000 is 15.9% above the 2019 sale price. On a £-per-square-foot basis, the last sale (£472/sq ft) was about 82.5% above the typical sold price in the postcode. Last sale on file: £422,000 in October 2019.
Recommended upgrades on file would lift this property by multiple EPC bands.
17 Newnham Green valuation sits well clear of the typical sold price in this postcode.
£489,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.0% per year over 3 years.
£422,000
Growth on file: 7.0% per year over 3 years.
17 Newnham Green outperforms the street on price per m² by a wide margin.
Price per m²
£5,084
Street avg £3,588
Floor Area
83 m²
Street avg 87 m²
Habitable Rooms
5 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
48.7dB

Changes detected from historical EPC data
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Windows upgraded, improving insulation
Are we missing something? Tell us about home improvements to help adjust your valuation.
21 October 2019Most recent
£422,000
+23.2%over 3 years21 September 2016
£342,545
Median price across the last 5 sales in OX10 8EW: £365,000 (2025–2021).
11 Newnham Green Crowmarsh Gifford Wallingford
Sold Aug 2025
22 Newnham Green Crowmarsh Gifford Wallingford
Sold Dec 2022
5 Newnham Green Crowmarsh Gifford Wallingford
Sold Oct 2022
37 Newnham Green Crowmarsh Gifford Wallingford
Sold Feb 2022
8 Newnham Green Crowmarsh Gifford Wallingford
Sold Sept 2021
Street avg 5 rooms
CO₂ Emissions
4.2 t/year
Street avg 3.9 t/year
OX10 8HS
Church — bus stop.
Closest school
0.2 km
Crowmarsh Gifford Church of England School. 7 schools nearby.
Night-time· 23:00 – 07:00
41.7dB
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