23d, Helen Road, Oxford, OX2 0DF
About 23d
23d is an end-of-terrace house in Oxford (OX2 0DF). It has a recorded floor area of 113 m² (around 1216 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (November 2022) shows a C (score 77), near the top of the C band. The rating has held steady at C across 6 certificates since July 2010. Between certificates, hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to B (score 87).
It hasn't traded since May 2003, a hold of 23 years that's notably long for the area. Today's modelled estimate of £659,000 sits 93.8% above the 2003 sale of £340,000. On a £-per-square-foot basis, the last sale (£280/sq ft) was about 23.9% below the postcode norm. At 113 m² it's 20.2% larger than the typical home in the postcode (94 m² median across 21 EPCs). Its energy rating outperforms most of the postcode (better than 71% of similar EPCs).
Everything you need to know about 23d
The true value, the hidden risks and the full sale history, in one report.
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The data behind every report
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Low energy lighting percentage decreased
Roof insulation improved
Heating controls changed
Hot water system changed
Heating controls upgraded for better temperature management
Hot water system upgraded
Low energy lighting percentage decreased
Single glazing replaced with double or better glazing
Cavity wall insulation installed
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
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Level 2 HomeBuyer Report
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Planning history
23d has no planning applications on record.
But the area is active
25 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
23d valuation sits well clear of the typical sold price in this postcode.
£659,000
Modelled from EPC, postcode comparables.
£340,000
Recorded with HM Land Registry.
Sales timeline
29 May 2003Most recent
£340,000
Median price across the last 5 sales in OX2 0DF: £648,000 (2025–2022).
Versus other Helen Road homes
On price per m², 23d runs well behind the street norm.
Price per m²
£3,009
Street avg £5,159
Floor Area
113 m²
Street avg 99 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 4.3 t/year
Everything you need to know about 23d
The true value, the hidden risks and the full sale history, in one report.
Pick your report · every report is £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Binsey Lane — bus stop.
Closest school
0.3 km
West Oxford Community Primary School. 13 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
49.2dB
Night-time· 23:00 – 07:00
41.3dB