27 Upper High Street, Thame, OX9 3EX
About 27 Upper High Street
27 Upper High Street is a mid-terrace house in Thame (OX9 3EX). It has a recorded floor area of 60 m² (around 646 sq ft) and construction records dating it to before 1900. The latest certificate (June 2025) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 5 certificates since June 2011. Between certificates, lighting went from Average to Very Good. The recommended improvements would lift it to B (score 89), a 2-band jump.
It hasn't traded since November 2007, a hold of 19 years that's notably long for the area. That sale landed at the peak of the pre-credit-crunch market, which is a useful reference point when interpreting the price. Today's modelled estimate of £340,000 sits 78.9% above the 2007 sale of £190,000. 7 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 27 Upper High Street
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
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls changed
Single glazing replaced with double or better glazing
Roof insulation improved
Hot water efficiency improved
Windows upgraded, improving insulation
Wall insulation improved
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Heating controls changed
Hot water efficiency improved
More low energy lighting installed
Planning history
Council records show a subdivision application — the property's legal arrangement has been altered.
- Nov 2025AmendmentIn report
Variation of condition 2 (opening hours) on application ref. P18/S2564/FUL - for the extension of opening hours from 7:30am - 6:00pm Monday - Saturday to 7:30am - 6:00pm Monday - Saturday (inc bank holidays), 9:00am - 3:00pm Sunday and up to 3 times per month opening hours extended to 11pm on any day. (Change of use from A1 to mixed used A1 and A3). (Additional supporting information received from applicant on 6th January 2026, responding to the Environmental Protection Team's comments)
- Documents
- 5 docs on file
- Reference
- P25/S3604/S73
- Apr 2025AdvertisingIn report
Replacement fascia and projecting signage.
- Documents
- 16 docs on file
- Reference
- P24/S3077/A
We flagged 1 thing worth checking at 27 Upper High Street
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
The latest sale landed at the peak of the pre-credit-crunch market — a high-water reference point.
£340,000
Modelled from EPC, postcode comparables.
£190,000
Recorded with HM Land Registry.
Sales timeline
14 November 2007Most recent
£190,000
Median price across the last 5 sales in OX9 3EX: £457,500 (2025–2018).
Nearby sales in OX9 3EX
Everything we know about 27 Upper High Street, 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 Upper High Street homes
Price per m² for 27 Upper High Street lags the street by a wide margin.
Price per m²
£3,167
Street avg £3,599
Floor Area
60 m²
Street avg 111 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
2.7 t/year
Street avg 4.8 t/year
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
0.3 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
49.4dB

Night-time· 23:00 – 07:00
39.0dB