4a, Mayfield Road, Farmoor, Oxford, OX2 9NR
About 4a
4a is a detached house in Farmoor, Oxford, Oxford (OX2 9NR). It has a recorded floor area of 159 m² (around 1711 sq ft), construction records dating it to 1967-1975 and council tax band E. The latest certificate (May 2020) shows a D (score 66), on the cusp of jumping into the C band. When first surveyed in October 2009 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Good to Very Good and main heating went from Average to Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump.
At 159 m² it's 22.3% larger than the typical home in the postcode (130 m² median across 12 EPCs). Across 2014–2020, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £667,000 is 24.7% above the 2020 sale price. Most recent transfer: November 2020 at £535,000.
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 25 May 2030
Property Improvements
Changes detected from historical EPC data
Switched from oil to mains gas, reducing emissions and costs
Heating controls upgraded for better temperature management
Hot water system changed
Windows upgraded, improving insulation
Loft insulation upgraded to recommended levels
More low energy lighting installed
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Planning history
4a has no planning applications on record.
But the area is active
12 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£667,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 6 years.
£535,000
Growth on file: 6.6% per year over 6 years.
Sales timeline
4 November 2020Most recent
£535,000
+48.6%over 6 years20 August 2014
£360,000
Median price across the last 5 sales in OX2 9NR: £460,000 (2025–2019).
Nearby sales in OX2 9NR
44 Mayfield Road, Farmoor, Oxford, OX2 9NR
Sold Nov 2025
£585,00040 Mayfield Road, Farmoor, Oxford, OX2 9NR
Sold Sept 2024
£460,00014 Mayfield Road, Farmoor, Oxford, OX2 9NR
Sold Dec 2021
£472,50038 Mayfield Road, Farmoor, Oxford, OX2 9NR
Sold Aug 2020
£415,00014a, Mayfield Road, Farmoor, Oxford, OX2 9NR
Sold Dec 2019
£425,000
Versus other Mayfield Road homes
Floor Area for 4a runs comfortably ahead of the street norm.
Price per m²
£3,365
Street avg £3,630
Floor Area
159 m²
Street avg 127 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
5.9 t/year
Street avg 4.9 t/year
Similar properties nearby
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OX2 9SE
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1 Cumnor Hill
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1 Cumnor Road, Farmoor
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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
155/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Mayfield Road — bus stop.
Closest school
2.9 km
Cumnor Church of England School (Voluntary Controlled). 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
45.7dB

Night-time· 23:00 – 07:00
39.5dB







