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Get started18 Coniston Avenue is a three-bedroom semi-detached house in Headington, Oxford, Oxford (OX3 0AN). It has a recorded floor area of 88 m² (around 947 sq ft), construction records dating it to 1900-1929 and council tax band D. The latest certificate (May 2017) 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 November 2008. Between certificates, hot-water efficiency went from Average to Good; while lighting dropped from Very Good to Average. The recommended improvements would lift it to C (score 77), a 2-band jump.
It hasn't traded since September 2001, a hold of 25 years that's notably long for the area. Today's modelled estimate of £540,000 sits 209.5% above the 2001 sale of £174,500. On a £-per-square-foot basis, the last sale (£184/sq ft) was about 33.5% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 85% of similar EPCs).
Recommended upgrades on file would lift this property by multiple EPC bands.
18 Coniston Avenue's estimated value is more than triple its earliest registered sale price (2001).
£540,000
Modelled from EPC, postcode comparables.
£174,500
Recorded with HM Land Registry.
18 Coniston Avenue is notably below the street on price per m².
Price per m²
£1,983
Street avg £3,789
Floor Area
88 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

Changes detected from historical EPC data
Heating controls changed
Hot water system upgraded
Windows upgraded, improving insulation
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
18 September 2001Most recent
£174,500
Median price across the last 5 sales in OX3 0AN: £515,000 (2025–2021).
CO₂ Emissions
5.2 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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