Heyford House, Flat 6, 7 Merton Street, Banbury, OX16 4RP
About Heyford House
Heyford House is a one-bedroom semi-detached house in Banbury (OX16 4RP). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to 1930-1949. At 48 m² this is the 2nd smallest of 5 units on EPC record in Heyford House, where floor areas span 41–63 m². The building's EPC ratings span E to C, with this unit at the bottom. On EPC score it ranks last in the building (39 versus a best of 74). The latest certificate (April 2021) shows an E (score 39), well below the UK norm with real room to improve. The rating has held steady at E across 2 certificates since May 2010. Between certificates, hot-water efficiency went from Poor to Average and main heating went from Poor to Average. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on electricity.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1997–2021, sale prices on this property compounded at 6.1% per year. Today's modelled estimate of £133,000 is 19.8% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£215/sq ft) was about 105.6% above the typical sold price in the postcode. Most recent transfer: September 2021 at £111,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- Private gardenYes
- ParkingAllocated
Building
- RefurbishedYes
Energy performance
Heyford House sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £820 · Includes VAT
Planning history
Heyford House has no planning applications on record.
But the area is active
4 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
Price for Heyford House has grown more than fourfold since the 1997 starting point.
£133,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.1% per year over 24 years.
£111,000
Growth on file: 6.1% per year over 24 years.
Sales timeline
26 September 2021Most recent
£111,000
+5.7%over 6 years7 November 2014
£105,000
+303.8%over 17 years20 April 1997
£26,000
Median price across the last 5 sales in OX16 4RP: £110,000 (2025–2015).
Nearby sales in OX16 4RP
Heyford House, Flat 1, 7 Merton Street, Banbury, OX16 4RP
Sold Aug 2025
£141,000Flat 2, 4 Merton Street, Banbury, OX16 4RP
Sold Sept 2021
£110,000Flat 1, 4 Merton Street, Banbury, OX16 4RP
Sold Sept 2021
£135,000Flat 3, 4 Merton Street, Banbury, OX16 4RP
Sold Dec 2018
£107,000Heyford House, Flat 3, 7 Merton Street, Banbury, OX16 4RP
Sold May 2015
£77,000
Versus other Merton Street homes
On epc rating, Heyford House runs well behind the street norm.
Price per m²
£2,313
Street avg £1,946
Floor Area
48 m²
Street avg 51 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
6.9 t/year
Street avg 2.6 t/year
Similar properties nearby
Allen House, Flat 2, Alma Road
OX16 4AG
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Chiltern House, Flat 3, Merton Street
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Chiltern House, Flat 5, Merton Street
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Chiltern House, Flat 6, Merton Street
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Chiltern House, Flat 19, Merton Street
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
8/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Merton Street Mosque — bus stop.
Closest school
0.2 km
Dashwood Banbury Academy. 19 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
52.4dB

Night-time· 23:00 – 07:00
42.4dB







