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Get started12 Coniston Avenue is a semi-detached house in Headington, Oxford, Oxford (OX3 0AN). It has a recorded floor area of 93 m² (around 999 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (January 2011) shows a D (score 55), a step below the typical UK home. The latest certificate is from January 2011, so improvements made since then won't be reflected.
Sale prices here have outpaced Oxford HPI: 4.2% per year against 0% for the wider region. Today's modelled estimate of £566,000 sits 61.6% above the 2011 sale of £350,250. On a £-per-square-foot basis, the last sale (£351/sq ft) was about 26.6% above the typical sold price in the postcode. One planning record on file: a loft conversion approved in 2018. Past consents include a loft conversion, meaningful when judging how the property has evolved. On the market in November 2011 and unlisted since — roughly 15 years.
12 Coniston Avenue's EPC is over a decade old — improvements since won't be reflected.
This certificate is over 10 years old and is no longer valid.Expired 27 Jan 2021
Application to certify that the proposed alterations to roof to form hip to gable. Formation of 1no. dormer to rear roof slope and insertion of 4no. roof lights to front roof slope in association with loft conversion is lawful development. (Amended plan)
12 Coniston Avenue saw 3 transfers in just over a decade — high turnover for the postcode.
£566,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 8 years.
£350,250
Growth on file: 4.2% per year over 8 years.
On epc rating, 12 Coniston Avenue runs well behind the street norm.
Price per m²
£3,774
Street avg £3,711
Floor Area
93 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

1 November 2011Most recent
£350,250
+31.5%over 5 years5 September 2006
£266,250
+6.5%over 3 years2 September 2003
£249,950
Median price across the last 5 sales in OX3 0AN: £515,000 (2025–2021).
CO₂ Emissions
4.7 t/year
Street avg 4.7 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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