3 St Marys Road, Adderbury, Banbury, OX17 3EZ
About 3 St Marys Road
3 St Marys Road is a three-bedroom semi-detached house in Adderbury, Banbury, Banbury (OX17 3EZ). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1950-1966 and council tax band D. The latest certificate (March 2022) shows a G (score 5), near the bottom of the EPC scale. The recommended improvements would lift it to E (score 51), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. One planning record on file: an extension approved in 2023. Past consents include an extension and a garage conversion, meaningful when judging how the property has evolved. On a £-per-square-foot basis, the last sale (£400/sq ft) was about 70.6% above the typical sold price in the postcode. Sold September 2022 for £400,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms3
- Bathrooms1
- Dining roomYes
- CloakroomYes
Outside
- Private gardenRear
- GarageSingle
Building
- Extension potentialPossible
Energy performance
3 St Marys Road sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
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Planning history
1 application on record at 3 St Marys Road, Adderbury, Banbury, OX17 3EZ
- May 2023Garage ConversionFullOutcome in report
Extension: Single storey · Rear of property
Erection of single storey extension to rear of garage, internal alterations and insertion of rooflights to facilitate conversion of loft to habitable accommodation
Extension- Documents
- 19 docs on file
- Reference
- 23/00061/F
Unlock 3 St Marys Road, Adderbury, Banbury, OX17 3EZ's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 4 notable nearby
- The 19 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£423,000
Modelled from EPC, postcode comparables.
£400,000
Recorded with HM Land Registry.
Sales timeline
8 September 2022Most recent
£400,000
Median price across the last 5 sales in OX17 3EZ: £425,000 (2025–2018).
Nearby sales in OX17 3EZ
19 St Marys Road, Adderbury, Banbury, OX17 3EZ
Sold Feb 2025
£445,00039 St Marys Road, Adderbury, Banbury, OX17 3EZ
Sold Nov 2024
£445,00029 St Marys Road, Adderbury, Banbury, OX17 3EZ
Sold Jun 2023
£380,0005 St Marys Road, Adderbury, Banbury, OX17 3EZ
Sold Mar 2021
£425,00037 St Marys Road, Adderbury, Banbury, OX17 3EZ
Sold Jul 2018
£365,000
Versus other St Marys Road homes
Price per m² for 3 St Marys Road runs comfortably ahead of the street norm.
Price per m²
£4,301
Street avg £3,212
Floor Area
93 m²
Street avg 108 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
14.0 t/year
Street avg 3.8 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Oak Tree — bus stop.
Closest school
1.3 km
Christopher Rawlins Church of England Primary School. 1 school 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
45.3dB

Night-time· 23:00 – 07:00
37.8dB







