25 Upper High Street, Thame, OX9 3EX
About 25 Upper High Street
25 Upper High Street is a mid-terrace house in Thame (OX9 3EX). It has a recorded floor area of 175 m² (around 1884 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (October 2023) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 77), a 2-band jump.
At 175 m² the property is well over the postcode median (63 m² across 12 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs). Most recent transfer was February 2025 at £700,000 — fresh data. On a £-per-square-foot basis, the last sale (£372/sq ft) was about 33.3% above the typical sold price in the postcode. 3 planning records sit against the property, 0 approved, 0 refused.
Know exactly what you're buying at 25 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
25 Upper High Street's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Planning history
Council records include a part-single-part-two-storey rear extension at 25 Upper High Street.
- Mar 2026ConditionsIn report
Discharge of condition 4(Schedule of Materials) and 6(Archaeology (Submission and Implementation of WSI)) on application ref. P25/S1753/HH (Part single-storey and part two-storey rear extension, with alterations to the front elevation to involve works to front entrance, a reintroduction of ground floor opening and changes to fenestration).
- Documents
- 5 docs on file
- Reference
- P26/S0801/DIS
- Sept 2025ConditionsIn report
Discharge of conditions 5 & 7 on application ref. P25/S1753/HH (Part single-storey and part two-storey rear extension, with alterations to the front elevation to involve works to front entrance, a reintroduction of ground floor opening and changes to fenestration).
- Documents
- 4 docs on file
- Reference
- P25/S2574/DIS
We flagged 1 thing worth checking at 25 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
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Sales history & valuation
25 Upper High Street valuation sits well clear of the typical sold price in this postcode.
£633,000
Modelled from EPC, postcode comparables.
£700,000
Recorded with HM Land Registry.
Sales timeline
12 February 2025Most recent
£700,000
Median price across the last 5 sales in OX9 3EX: £457,500 (2023–2018).
Nearby sales in OX9 3EX
Everything we know about 25 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
Years Held for 25 Upper High Street lags the street by a wide margin.
Price per m²
£4,000
Street avg £3,480
Floor Area
175 m²
Street avg 99 m²
Habitable Rooms
8 rooms
Street avg 5 rooms
CO₂ Emissions
9.4 t/year
Street avg 4.1 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