40a, Upper High Street, Thame, OX9 2DW
About 40a
40a is a mid-terrace house in Thame (OX9 2DW). It has a recorded floor area of 75 m² (around 807 sq ft) and construction records dating it to 1900-1929. The latest certificate (March 2019) shows a G (score 8), near the bottom of the EPC scale. Earlier certificates rated it F (June 2010); the latest reading is one band lower. Between certificates, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Poor; while hot-water efficiency dropped from Poor to Very Poor and main heating dropped from Poor to Very Poor. The recommended improvements would lift it to D (score 58), a 3-band jump. Main heating runs on electricity.
One historical planning record sits against the property in 2020.
Know exactly what you're buying at 40a
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
Energy performance
40a's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating system changed
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Single glazing replaced with double or better glazing
Planning history
- Nov 2020Change of UseFullIn report
Change of use from betting shop (sui generis) to dwellinghouse (C3)
- Documents
- 7 docs on file
- Reference
- P20/S2796/FUL
We flagged 1 thing worth checking at 40a
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
40a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£269,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in OX9 2DW: £353,000 (2022–2006).
Everything we know about 40a, 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

Similar properties nearby
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
0.1 km
Upper High Street — bus stop.
Closest school
0.4 km
Barley Hill Primary 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
48.8dB

Night-time· 23:00 – 07:00
38.9dB