Model valuation£417,0008 Busby Close
Local market context
12 Portway Gardens is a four-bedroom detached house in Aynho, Banbury, Banbury (OX17 3AR). It has a recorded floor area of 170 m² (around 1830 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (February 2020) shows an E (score 44), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 72), a 2-band jump. Main heating runs on oil.
Today's modelled estimate of £666,000 is 37.3% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£265/sq ft) was about 24.3% above the typical sold price in the postcode. Most recent transfer: July 2020 at £485,000.
12 Portway Gardens's carbon output runs well above what efficient homes in the postcode produce.
Certificate validity
Valid until 24 February 2030
Get a survey for this property
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,155 · Includes VAT
12 Portway Gardens 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.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£666,000
Modelled from EPC, postcode comparables.
£485,000
Recorded with HM Land Registry.
30 July 2020Most recent
£485,000
Median price across the last 5 sales in OX17 3AR: £525,000 (2025–2019).
17 Portway Gardens, Aynho, Banbury, OX17 3AR
Sold Nov 2025
16 Portway Gardens, Aynho, Banbury, OX17 3AR
Sold May 2021
1 Portway Gardens, Aynho, Banbury, OX17 3AR
Sold Dec 2019
5 Portway Gardens, Aynho, Banbury, OX17 3AR
Sold Nov 2019
4 Portway Gardens, Aynho, Banbury, OX17 3AR
Sold Oct 2019
On epc rating, 12 Portway Gardens runs well behind the street norm.
Price per m²
£2,853
Street avg £2,569
Floor Area
170 m²
Street avg 176 m²
Habitable Rooms
6 rooms
Street avg 7 rooms
CO₂ Emissions
11.0 t/year
Street avg 9.7 t/year
Property research, connected
Explore sale histories, valuations, energy ratings and local areas. Ask the assistant to connect the details and take your research further.
Start your researchOX17 3RY
OX17 3NB
OX17 3BB
OX17 3RA
OX17 3DG
OX17 3PG
OX17 3EN
OX17 3NN
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
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.

Daytime· 07:00 – 23:00
49.9dB

Night-time· 23:00 – 07:00
42.1dB