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Get started9 Newnham Green is a four-bedroom detached house in Crowmarsh Gifford, Wallingford, Wallingford (OX10 8EW). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (May 2024) shows a C (score 72). The rating has held steady at C across 2 certificates since November 2009. Between certificates, roof efficiency went from Average to Good and lighting went from Average to Very Good; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Very Good to Good.
Held since May 2010 — that's 16 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 9.1% per year against 0% for the wider region. Today's modelled estimate of £623,000 sits 66.1% above the 2010 sale of £375,000. At 137 m² the property is well over the postcode median (83 m² across 27 EPCs), placing it in the larger end of the local stock. 2 planning records sit against the property, 0 approved, 0 refused.
9 Newnham Green has been extended on multiple sides of the property across separate planning applications.
Extension: Single storey · Side and rear of property
Single storey rear and side extension; new flue to stove.
Sale price has grown by over 3x since 1995.
£623,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.1% per year over 15 years.
£375,000
Growth on file: 9.1% per year over 15 years.
Floor Area for 9 Newnham Green runs comfortably ahead of the street norm.
Price per m²
£2,737
Street avg £3,690
Floor Area
137 m²
Street avg 85 m²
Habitable Rooms
6 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
Hot water efficiency decreased
Windows upgraded to triple glazing
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Side of property
Single storey side extension. Remove existing porch and lean-to.
18 May 2010Most recent
£375,000
+27.1%over 3 years1 December 2006
£295,000
+186.4%over 11 years30 June 1995
£103,000
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
3.7 t/year
Street avg 3.9 t/year
OX10 8FR
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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