11 Roundtown, Aynho, Banbury, OX17 3BG
About 11 Roundtown
11 Roundtown is a detached house in Aynho, Banbury, Banbury (OX17 3BG). It has a recorded floor area of 515 m² (around 5543 sq ft), construction records dating it to before 1900 and council tax band H. The latest certificate (March 2025) shows an F (score 26), near the bottom of the EPC scale. When first surveyed in July 2013 the rating was G, the property has climbed 1 band since. Between certificates, window efficiency went from Very Poor to Poor, hot-water efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while roof efficiency dropped from Very Good to Very Poor. The recommended improvements would lift it to C (score 69), a 3-band jump. Main heating runs on oil.
At 515 m² the property is well over the postcode median (161 m² across 8 EPCs), placing it in the larger end of the local stock. Most recent transfer was September 2025 at £2,250,000 — fresh data. 25 planning records sit against the property, 20 approved, 0 refused. Past consents include an extension and an annexe, meaningful when judging how the property has evolved. The record references listed-building consent, which constrain future alterations. On a £-per-square-foot basis, the last sale (£406/sq ft) was about 135.7% above the typical sold price in the postcode.
Everything you need to know about 11 Roundtown
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
11 Roundtown's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Certificate validity
Valid until 13 March 2035
Property Improvements
Changes detected from historical EPC data
Upgraded to gas central heating
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Wall insulation improved
More low energy lighting installed
Heating system changed
Changed to a more efficient fuel source
Heating controls changed
Hot water efficiency decreased
Upgraded to gas central heating
Fuel source changed
Heating controls upgraded for better temperature management
Hot water efficiency improved
Single glazing replaced with double or better glazing
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919, is a large detached home over 300m², and has been extended more than once, we believe a Level 3 building survey should be considered.
From £1,945 · Includes VAT
Planning history
11 Roundtown has a listed-building consent on record — alterations to a listed property are tightly controlled.
25 applications on record at 11 Roundtown, Aynho, Banbury, OX17 3BG
- Mar 2015Tree WorksTreesOutcome in report
Ash Tree - Fell
- Documents
- 4 docs on file
- Reference
- S/2015/0077/TCA
- More recent applications — locked
- RenovationOct 2025Decision
- Tree WorksAug 2025Decision
+ 22 more applications in the report
Unlock 11 Roundtown, Aynho, Banbury, OX17 3BG's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (24 on record)
- All 25 applications on this property in full, plus 2 notable nearby
- The 334 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
11 Roundtown valuation sits well clear of the typical sold price in this postcode.
£2,457,000
Modelled from EPC, postcode comparables.
£2,250,000
Recorded with HM Land Registry.
Sales timeline
17 September 2025Most recent
£2,250,000
Median price across the last 5 sales in OX17 3BG: £200,000 (2021–2020).
Nearby sales in OX17 3BG
Versus other Roundtown homes
Price per m² for 11 Roundtown runs comfortably ahead of the street norm.
Price per m²
£4,369
Street avg £2,309
Floor Area
515 m²
Street avg 164 m²
Habitable Rooms
15 rooms
Street avg 8 rooms
CO₂ Emissions
41.0 t/year
Street avg 11.3 t/year
Everything you need to know about 11 Roundtown
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
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The neighbourhood at a glance
Crime
50/mo
Falling year-on-year across the wider district.
Nearest stop
0.2 km
Grammar School — bus stop.
Closest school
2.9 km
Croughton All Saints CofE 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
50.5dB
Night-time· 23:00 – 07:00
43.4dB