21 Deene Close, Adderbury, Banbury, OX17 3LD
About 21 Deene Close
21 Deene Close is a two-bedroom detached house in Adderbury, Banbury, Banbury (OX17 3LD). It has a recorded floor area of 74 m² (around 797 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (June 2026) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since August 2022. Between certificates, wall efficiency went from Average to Good, roof efficiency went from Very Poor to Good and lighting went from Good to Very Good; while window efficiency dropped from Good to Poor. The recommended improvements would lift it to B (score 82), a 2-band jump. This certificate was lodged in the last six months, so the rating reflects current condition. Records show the property has been extended at some point in its history. The home occupies a corner plot and a cul-de-sac position.
Across 2009–2023, sale prices on this property compounded at 2.6% per year. Today's modelled estimate of £376,000 is 13.9% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£414/sq ft) was about 81.2% above the typical sold price in the postcode. At 74 m² it's 23.7% smaller than the typical home in the postcode (97 m² median across 23 EPCs). Sold November 2023 for £330,000.
What this property has
Inside
- Bedrooms2
- Bathrooms1
- Dining roomYes
Outside
- ParkingOff road
- Corner plotYes
- Cul-de-sacYes
Building
- Previously extendedYes
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 10 June 2036
Property Improvements
Changes detected from historical EPC data
Wall insulation improved
Roof insulation improved
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once, we believe a Level 3 building survey should be considered.
From £955 · Includes VAT
Planning history
21 Deene Close has no planning applications on record.
But the area is active
2 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
21 Deene Close valuation sits well clear of the typical sold price in this postcode.
£376,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.6% per year over 14 years.
£330,000
Growth on file: 2.6% per year over 14 years.
Sales timeline
27 November 2023Most recent
£330,000
+45.1%over 14 years15 July 2009
£227,500
Median price across the last 5 sales in OX17 3LD: £392,000 (2026–2022).
Nearby sales in OX17 3LD
22 Deene Close, Adderbury, Banbury, OX17 3LD
Sold Apr 2026
£505,0007 Deene Close, Adderbury, Banbury, OX17 3LD
Sold Nov 2025
£370,00015 Deene Close, Adderbury, Banbury, OX17 3LD
Sold Sept 2024
£346,00051 Deene Close, Adderbury, Banbury, OX17 3LD
Sold Mar 2024
£507,00026 Deene Close, Adderbury, Banbury, OX17 3LD
Sold Oct 2022
£392,000
Versus other Deene Close homes
On floor area, 21 Deene Close runs well behind the street norm.
Price per m²
£4,459
Street avg £3,073
Floor Area
74 m²
Street avg 100 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
2.9 t/year
Street avg 5.0 t/year
Similar properties nearby
1 Chapel Lane, Adderbury
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1 Arundel Close, Kings Sutton
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1 Church Close, Adderbury
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1 Adderbury Court, Adderbury
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1 Astrop Road, Kings Sutton
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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
50/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Primary School — bus stop.
Closest school
0.2 km
Christopher Rawlins Church of England Primary School. 4 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
49.6dB

Night-time· 23:00 – 07:00
42.6dB







