43a, St Clements Street, Oxford, OX4 1AG
About 43a
43a is a one-bedroom detached house in Oxford (OX4 1AG). It has a recorded floor area of 60 m² (around 646 sq ft), construction records dating it to 2024 and council tax band D. The latest certificate (May 2024) returns a B (score 82), comfortably above the UK average. When first surveyed in July 2009 the rating was F, the property has climbed 4 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Good to Very Good and window efficiency went from Poor to Very Good. The recommended improvements would push it to A (score 96).
Held since February 2007 — that's 19 years off the open market, well above the local norm. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. At 60 m² it sits well below the postcode median (94 m² across 20 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the top 10% of properties in this postcode. 1 bedrooms is on the smaller side for this postcode, where 3 is the typical count. Today's modelled estimate of £671,000 is 11.1% above the 2007 sale price. On a £-per-square-foot basis, the last sale (£935/sq ft) was about 217.9% above the typical sold price in the postcode. One planning record on file: an extension refused in 2019.
Know exactly what you're buying at 43a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms1
- Bathrooms1
- Utility roomYes
- FireplaceYes
Outside
- Shared gardenYes
Energy performance
43a ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls changed
Hot water system upgraded
Low energy lighting percentage decreased
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Roof insulation improved
More low energy lighting installed
Heating controls upgraded for better temperature management
Single glazing replaced with double or better glazing
Cavity wall insulation installed
Planning history
- Feb 2019ExtensionFullIn report
Extension: Single storey
Erection of first floor extension and alterations to front door and windows.
New Windows- Documents
- 13 docs on file
- Reference
- 19/00142/FUL
We flagged 2 things worth checking at 43a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Signs of HMO activity in the area
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£671,000
Modelled from EPC, postcode comparables.
£604,000
Recorded with HM Land Registry.
Sales timeline
7 February 2007Most recent
£604,000
Median price across the last 5 sales in OX4 1AG: £675,000 (2024–2019).
Nearby sales in OX4 1AG
Everything we know about 43a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other St Clements Street homes
Price per m² for 43a runs comfortably ahead of the street norm.
Price per m²
£10,067
Street avg £2,125
Floor Area
60 m²
Street avg 109 m²
CO₂ Emissions
1.0 t/year
Street avg 4.1 t/year
Years Held
19 years
Street avg 15 years
Similar properties nearby
The neighbourhood at a glance
Crime
7/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
St Clements Street — bus stop.
Closest school
0.4 km
East Oxford Primary School. 27 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.1dB

Night-time· 23:00 – 07:00
42.7dB