11 Portway, Aynho, Banbury, OX17 3AP
About 11 Portway
11 Portway is a four-bedroom detached house in Aynho, Banbury, Banbury (OX17 3AP). It has a recorded floor area of 250 m² (around 2691 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (August 2021) shows a C (score 79), near the top of the C band. The recommended improvements would push it to B (score 82). Other recorded features include a conservatory.
At 250 m² the property is well over the postcode median (80 m² across 4 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 2 planning records sit against the property, 1 approved, 0 refused. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 1999–2022, sale prices on this property compounded at 6.6% per year. Today's modelled estimate of £862,000 is 10.5% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£290/sq ft) was about 23.1% above the typical sold price in the postcode. Last sale on file: £780,000 in January 2022. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
What this property has
Inside
- Bedrooms4
- Bathrooms3
- ConservatoryYes
Outside
- Private gardenYes
Energy performance
11 Portway ranks among the most efficient homes in the postcode for energy use.
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property has been extended more than once and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,360 · Includes VAT
Planning history
2 applications on record at 11 Portway, Aynho, Banbury, OX17 3AP
- May 2002ExtensionFullOutcome in report
Extension: Side of property
Two storey and first floor extension to sides
- Documents
- 1 doc on file
- Reference
- S/2002/0378/P
- More recent applications — locked
- ConservatoryAug 2002Decision
Unlock 11 Portway, Aynho, Banbury, OX17 3AP's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 4 notable nearby
- The 2 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
11 Portway has more than quadrupled in price since its earliest registered sale in 1999.
£862,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.6% per year over 22 years.
£780,000
Growth on file: 6.6% per year over 22 years.
Sales timeline
19 January 2022Most recent
£780,000
+310.5%over 22 years23 November 1999
£190,000
Median price across the last 4 sales in OX17 3AP: £304,000 (2023–2003).
Versus other Portway homes
On epc rating, 11 Portway stands well clear of the street.
EPC Rating
79 (C)
Street avg 56 (D)
Floor Area
250 m²
Street avg 99 m²
CO₂ Emissions
5.2 t/year
Street avg 6.3 t/year
Habitable Rooms
8 rooms
Street avg 5 rooms
Similar properties nearby
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1 Croft Lane, Adderbury
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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
The Butts — bus stop.
Closest school
2.6 km
Croughton All Saints CofE Primary School. 2 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
49.9dB

Night-time· 23:00 – 07:00
42.0dB







