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Get started21 Colterne Close is a three-bedroom semi-detached house in Headington, Oxford, Oxford (OX3 0BA). 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 (February 2015) shows an E (score 53), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since June 2010. Between certificates, roof efficiency went from Very Poor to Very Good and lighting went from Good to Very Good. The recommended improvements would lift it to B (score 81), a 3-band jump. The latest certificate is from February 2015, so improvements made since then won't be reflected.
It hasn't traded since September 2010, a hold of 16 years that's notably long for the area. Sale prices here have outpaced Oxford HPI: 8.7% per year against 0% for the wider region. Today's modelled estimate of £479,000 sits 91.6% above the 2010 sale of £250,000. 3 planning records sit against the property, 1 approved, 1 refused. Past consents include an extension and partial demolition, meaningful when judging how the property has evolved. At 86 m² it's 16.2% larger than the typical home in the postcode (74 m² median across 17 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 76% of similar EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 09 Feb 2025
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Demolition of garage and erection of studio in rear garden.
Sale price has at least doubled since 1997.
£479,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.7% per year over 13 years.
£250,000
Growth on file: 8.7% per year over 13 years.
On epc rating, 21 Colterne Close runs well behind the street norm.
Price per m²
£2,907
Street avg £3,956
Floor Area
86 m²
Street avg 79 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Ashlong Road — bus stop.

Daytime· 07:00 – 23:00
51.3dB

Changes detected from historical EPC data
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Extension: Two storey · Rear of property
Erection of two storey rear extension following demolition of existing single storey rear extension
1 more application for this property
Join to see all planning history.
3 September 2010Most recent
£250,000
+197.6%over 13 years4 August 1997
£84,000
Median price across the last 5 sales in OX3 0BA: £450,000 (2024–2017).
CO₂ Emissions
4.7 t/year
Street avg 4.0 t/year
OX3 0NP
Closest school
0.2 km
New Marston Primary School. 19 schools nearby.
Night-time· 23:00 – 07:00
42.4dB
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