17 Upper High Street, Thame, OX9 3EX
About 17 Upper High Street
17 Upper High Street is a four-bedroom detached house in Thame (OX9 3EX). It has a recorded floor area of 217 m² (around 2336 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (August 2017) shows a C (score 76), near the top of the C band. When first surveyed in November 2011 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Very Poor to Very Good, roof efficiency went from Very Poor to Average and window efficiency went from Average to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 83). Other recorded features include outbuildings. Period features are noted in the property record.
At 217 m² the property is well over the postcode median (63 m² across 12 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 83% of similar EPCs). Today's modelled estimate of £1,180,000 is 18% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£428/sq ft) was about 53.6% above the typical sold price in the postcode. On the market in March 2018 and unlisted since — roughly 8 years. 3 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 17 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
What this property has
Inside
- Bedrooms4
- Bathrooms2
- Dining roomYes
- EnsuiteYes
- FireplaceYes
Outside
- Private gardenYes
- ParkingOff road
- OutbuildingsYes
Building
- Period featuresYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Windows upgraded, improving insulation
Wall insulation improved
Roof insulation improved
Solar water heating installed
Planning history
- Dec 2013OutbuildingFullIn report
Proposed new car port to rear and side of 17 Upper High Street.
- Documents
- 6 docs on file
- Reference
- P13/S3281/HH
- Jul 2013Loft ConversionConditionsIn report
Construction of front dormer to attic room and side window to gable end. Discharge of condition 4a on P13/S0469/HH
- Documents
- 2 docs on file
- Reference
- P13/S1582/DIS
We flagged 1 thing worth checking at 17 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
Latest sale on 17 Upper High Street was the highest on Land Registry record across the postcode.
£1,180,000
Modelled from EPC, postcode comparables.
£1,000,000
Recorded with HM Land Registry.
Sales timeline
5 March 2018Most recent
£1,000,000
Median price across the last 5 sales in OX9 3EX: £457,500 (2025–2018).
Nearby sales in OX9 3EX
Everything we know about 17 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
17 Upper High Street outperforms the street on price per m² by a wide margin.
Price per m²
£4,608
Street avg £3,393
Floor Area
217 m²
Street avg 94 m²
Habitable Rooms
10 rooms
Street avg 4 rooms
CO₂ Emissions
5.2 t/year
Street avg 4.6 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