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Get started27 Coniston Avenue is a semi-detached house in Headington, Oxford, Oxford (OX3 0AN). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2021) shows a D (score 58), a step below the typical UK home. The recommended improvements would lift it to B (score 84), a 2-band jump.
4 planning records sit against the property, 1 approved, 2 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £532,000 is 19.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£475/sq ft) was about 78.3% above the typical sold price in the postcode. Sold October 2021 for £445,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
A recent planning application at 27 Coniston Avenue was refused — worth checking the council file.
Extension: Single storey · Rear of property
Erection of a single storey rear extension.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£532,000
Modelled from EPC, postcode comparables.
£445,000
Recorded with HM Land Registry.
Price per m² for 27 Coniston Avenue runs comfortably ahead of the street norm.
Price per m²
£5,115
Street avg £3,653
Floor Area
87 m²
Street avg 97 m²
Habitable Rooms
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: Part single, part two storey
Application to certify that the proposed demolition of existing single storey rear extension, erection of part single, part two storey rear extension and alterations to 1no. window to rear elevation is lawful development.
2 more applications for this property
Join to see all planning history.
15 October 2021Most recent
£445,000
Median price across the last 5 sales in OX3 0AN: £515,000 (2025–2021).
Street avg 5 rooms
CO₂ Emissions
4.1 t/year
Street avg 4.8 t/year
Closest school
0.2 km
New Marston Primary School. 17 schools nearby.
Night-time· 23:00 – 07:00
41.5dB
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