Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started17 Coniston Avenue is a three-bedroom semi-detached house in Headington, Oxford, Oxford (OX3 0AN). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (September 2020) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 3 certificates since March 2010. Between certificates, window efficiency went from Average to Good and lighting went from Poor to Very Good; while wall efficiency dropped from Poor to Very Poor and hot-water efficiency dropped from Very Good to Good. The recommended improvements would lift it to B (score 87), a 2-band jump. Other recorded features include outbuildings.
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 £563,000 is 34% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£459/sq ft) was about 72.2% above the typical sold price in the postcode. 9 years since the last transfer (August 2017).
Recommended upgrades on file would lift this property by multiple EPC bands.
Planning history includes recorded demolition works, indicating a major rebuild phase at this address.
Single storey · Rear of property
17 Coniston Avenue valuation sits well clear of the typical sold price in this postcode.
£563,000
Modelled from EPC, postcode comparables.
£420,000
Recorded with HM Land Registry.
17 Coniston Avenue is notably below the street on habitable rooms.
Price per m²
£4,941
Street avg £3,661
Floor Area
85 m²
Street avg 98 m²
Habitable Rooms
4 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
Hot water efficiency decreased
Window efficiency improved
More low energy lighting installed
Ventilation system changed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Demolition of existing rear extension. Erection of single storey rear extension. Insertion of 1no. window to side elevation
Extension: Single storey · Rear of property
Erection of single storey rear extension.
2 more applications for this property
Join to see all planning history.
31 August 2017Most recent
£420,000
Median price across the last 5 sales in OX3 0AN: £515,000 (2025–2021).
CO₂ Emissions
3.5 t/year
Street avg 4.8 t/year
OX3 0NP
Closest school
0.2 km
New Marston Primary School. 17 schools nearby.
Night-time· 23:00 – 07:00
41.5dB
Free valuation
An expert visits your home
Local expertise
An agent who knows your area
No obligation
You decide if and when to sell