20 Chestnut Avenue, Thame, OX9 2AP
About 20 Chestnut Avenue
20 Chestnut Avenue is a two-bedroom detached house in Thame (OX9 2AP). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1967-1975 and council tax band D. The latest certificate (June 2022) shows an E (score 47), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump. Other recorded features include a loft. Our model identifies extension potential, subject to local planning policy.
At 76 m² it's 27.6% smaller than the typical home in the postcode (105 m² median across 7 EPCs). It lags the bulk of the postcode on energy efficiency (less efficient than 71% of similar EPCs). On a £-per-square-foot basis, the last sale (£644/sq ft) was about 45.4% above the typical sold price in the postcode. 2 planning records sit against the property, 0 approved, 0 refused. Most recent transfer: June 2023 at £526,500.
Know exactly what you're buying at 20 Chestnut Avenue
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms2
- Bathrooms1
- LoftYes
Outside
- Private gardenRear
- GarageYes
Building
- RefurbishedYes
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Planning history
- Apr 2024Demolition And RebuildFullIn report
Demolition of existing bungalow, proposed construction of new 4 bed dwelling.
- Documents
- 18 docs on file
- Reference
- P24/S0323/FUL
- Oct 2023ExtensionFullIn report
Extension: Single storey · Side and rear of property
Raise the roof height of the existing bungalow to create habitable accommodation at first floor level, proposed single storey side/rear extensions to the existing house, and material/fenestration alterations to the existing house.
- Documents
- 11 docs on file
- Reference
- P23/S2910/HH
We flagged 1 thing worth checking at 20 Chestnut Avenue
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
£543,000
Modelled from EPC, postcode comparables.
£526,500
Recorded with HM Land Registry.
Sales timeline
15 June 2023Most recent
£526,500
Median price across the last 5 sales in OX9 2AP: £680,000 (2022–2017).
Everything we know about 20 Chestnut Avenue, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other Chestnut Avenue homes
On years held, 20 Chestnut Avenue runs well behind the street norm.
Price per m²
£6,928
Street avg £5,570
Floor Area
76 m²
Street avg 121 m²
Habitable Rooms
4 rooms
Street avg 7 rooms
CO₂ Emissions
5.5 t/year
Street avg 5.7 t/year
Similar properties nearby
1 Dorchester Place
OX9 2DL
1 Holliers Close
OX9 2EN
1 Conduit Hill Rise
OX9 2EJ
1 Hazel Avenue
OX9 2AW
1 Cedar Crescent
OX9 2AX
1 Hawthorn Avenue
OX9 2AS
1 Fothergill Place
OX9 2BP
1 Chestnut Avenue
OX9 2AP
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
Sycamore Drive — bus stop.
Closest school
0.3 km
Lord Williams's School. 4 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
47.2dB

Night-time· 23:00 – 07:00
38.9dB