27c, Upper High Street, Thame, OX9 3EX
About 27c
27c is a mid-terrace house in Thame (OX9 3EX). It has a recorded floor area of 65 m² (around 700 sq ft) and construction records dating it to before 1900. The latest certificate (May 2012) shows a D (score 60), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 87), a 2-band jump. The latest certificate is from May 2012, so improvements made since then won't be reflected.
Most recent transfer: August 2021 at £278,000. Across the public record there are 6 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. Across 2000–2021, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £343,000 is 23.4% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£397/sq ft) was about 29.1% above the typical sold price in the postcode.
Know exactly what you're buying at 27c
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 Expired
This certificate is over 10 years old and is no longer valid.Expired 31 May 2022
EPC Rating
Planning history
27c has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 27c
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
27c has more than doubled in price since the earliest registered sale in 2000.
£343,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 21 years.
£278,000
Growth on file: 4.8% per year over 21 years.
Sales timeline
24 August 2021Most recent
£278,000
+42.6%over 8 years4 February 2013
£195,000
+19.3%over 7 years2 December 2005
£163,500
+6.2%over 2 years9 October 2003
£154,000
+14.1%over 1 year9 May 2002
£134,950
+31.7%over 1 year5 July 2000
£102,500
Median price across the last 5 sales in OX9 3EX: £625,000 (2025–2018).
Nearby sales in OX9 3EX
Everything we know about 27c, 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
27c outperforms the street on price per m² by a wide margin.
Price per m²
£4,277
Street avg £3,440
Floor Area
65 m²
Street avg 111 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
3.1 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