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Get started6 Coniston Avenue is a three-bedroom semi-detached house in Headington, Oxford, Oxford (OX3 0AN). 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 (July 2015) shows an E (score 49), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 86), a 3-band jump. The latest certificate is from July 2015, so improvements made since then won't be reflected. Our model identifies extension potential, subject to local planning policy.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs). Today's modelled estimate of £523,000 is 30.8% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£432/sq ft) was about 62.1% above the typical sold price in the postcode. 11 years since the last transfer (October 2015).
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This certificate is over 10 years old and is no longer valid.Expired 14 Jul 2025
6 Coniston Avenue has 2 separate extension applications on the council record.
Extension: Single storey · Rear of property
Application for prior approval for the erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6.0m, for which the maximum height would be 3.35m, and for which the height of the eaves would be 3.0m.
6 Coniston Avenue valuation sits well clear of the typical sold price in this postcode.
£523,000
Modelled from EPC, postcode comparables.
£400,000
Recorded with HM Land Registry.
6 Coniston Avenue is notably below the street on epc rating.
Price per m²
£4,651
Street avg £3,673
Floor Area
86 m²
Street avg 97 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
Derwent Avenue West — bus stop.

Daytime· 07:00 – 23:00
50.9dB

Extension: Single storey · Rear of property
Application for prior approval for the erection of a single storey rear extension, which would extend beyond the rear wall of the original house by 6.0m, for which the maximum height would be 3.65m, and for which the height of the eaves would be 3.0m.
19 October 2015Most recent
£400,000
Median price across the last 5 sales in OX3 0AN: £515,000 (2025–2021).
CO₂ Emissions
5.7 t/year
Street avg 4.7 t/year
OX3 0NP
Closest school
0.2 km
New Marston Primary School. 17 schools nearby.
Night-time· 23:00 – 07:00
41.5dB
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