21c, Windmill Road, Thame, OX9 2DR
About 21c
21c is a two-bedroom end-of-terrace house in Thame (OX9 2DR). It has a recorded floor area of 68 m² (around 732 sq ft), construction records dating it to 2007-2011 and council tax band C. The latest certificate (December 2023) shows a C (score 74). The recommended improvements would push it to B (score 90).
A recent sale: £376,500 in June 2025. At 68 m² it's 19% smaller than the typical home in the postcode (84 m² median across 23 EPCs). Its energy rating outperforms most of the postcode (better than 74% of similar EPCs). Across 2007–2025, sale prices on this property compounded at 2.6% per year. On a £-per-square-foot basis, the last sale (£514/sq ft) was about 80.2% above the typical sold price in the postcode.
Know exactly what you're buying at 21c
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
- Bedrooms2
- Bathrooms2
- EnsuiteYes
Outside
- Private gardenRear
- ParkingAllocated
Building
- RefurbishedYes
Energy performance
EPC Rating
Planning history
21c has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 1 thing worth checking at 21c
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
21c valuation sits well clear of the typical sold price in this postcode.
£398,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.6% per year over 18 years.
£376,500
Growth on file: 2.6% per year over 18 years.
Sales timeline
1 June 2025Most recent
£376,500
+6.1%over 3 years12 January 2022
£355,000
+51.1%over 15 years12 January 2007
£235,000
Median price across the last 5 sales in OX9 2DR: £450,000 (2025–2022).
Everything we know about 21c, 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 Windmill Road homes
21c is notably below the street on years held.
Price per m²
£5,537
Street avg £4,662
Floor Area
68 m²
Street avg 80 m²
Habitable Rooms
3 rooms
Street avg 5 rooms
CO₂ Emissions
2.0 t/year
Street avg 3.9 t/year
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1 Hazel Avenue
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OX9 2AX
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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
0.3 km
Upper High Street — bus stop.
Closest school
0.4 km
John Hampden 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
46.8dB

Night-time· 23:00 – 07:00
37.6dB