21 Upper High Street, Thame, OX9 3EX
About 21 Upper High Street
21 Upper High Street is a three-bedroom mid-terrace house in Thame (OX9 3EX). It has a recorded floor area of 112 m² (around 1206 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (May 2018) shows a D (score 58), a step below the typical UK home. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Average and lighting went from Poor to Average; while hot-water efficiency dropped from Very Good to Good and main heating dropped from Very Good to Good. The recommended improvements would push it to C (score 79). Other recorded features include a basement.
At 112 m² the property is well over the postcode median (63 m² across 12 EPCs), placing it in the larger end of the local stock. Across 2007–2018, sale prices on this property compounded at 4.7% per year. Today's modelled estimate of £540,000 is 18% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£379/sq ft) was about 36.2% above the typical sold price in the postcode. Last sale on file: £457,500 in August 2018. One historical planning record sits against the property in 2019.
Know exactly what you're buying at 21 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
- Bedrooms3
- Bathrooms2
- Dining roomYes
- Utility roomYes
- EnsuiteYes
- StudyYes
- BasementYes
Outside
- Private gardenRear
- ParkingAllocated
Building
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
- May 2019ExtensionFullIn report
Extension: Rear of property
Demolish existing rear extension and erect new two storey rear extension and single storey rear extension.
- Documents
- 16 docs on file
- Reference
- P19/S0034/HH
We flagged 1 thing worth checking at 21 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
21 Upper High Street valuation sits well clear of the typical sold price in this postcode.
£540,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 11 years.
£457,500
Growth on file: 4.7% per year over 11 years.
Sales timeline
27 August 2018Most recent
£457,500
+33.6%over 2 years4 December 2015
£342,500
+24.5%over 8 years15 July 2007
£275,000
Median price across the last 5 sales in OX9 3EX: £625,000 (2025–2018).
Nearby sales in OX9 3EX
Everything we know about 21 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
21 Upper High Street is notably below the street on co₂ emissions.
Price per m²
£4,085
Street avg £3,468
Floor Area
112 m²
Street avg 106 m²
Habitable Rooms
6 rooms
Street avg 5 rooms
CO₂ Emissions
5.5 t/year
Street avg 4.5 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