12 Castle Mews, St Thomas Street, Oxford, OX1 1JR
About 12 Castle Mews
12 Castle Mews is an end-of-terrace house in Oxford (OX1 1JR). It has a recorded floor area of 72 m² (around 775 sq ft) and construction records dating it to 1991-1995. The latest certificate (March 2019) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since January 2009. Between certificates, lighting went from Good to Very Good. Main heating runs on electricity. At 72 m² this is the 26th smallest of 27 units on EPC record in the building, where floor areas span 45–86 m². The building's EPC ratings span E to B across 27 units on file.
At 72 m² it's 23.1% larger than the typical home in the postcode (59 m² median across 26 EPCs).
Everything you need to know about 12 Castle Mews
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Certificate validity
Valid until 21 March 2029
Property Improvements
Changes detected from historical EPC data
Hot water system changed
More low energy lighting installed
Get a survey for this property
Level 3 Building Survey
Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.
From £1,020 · Includes VAT
Planning history
12 Castle Mews has no planning applications on record.
But the area is active
10 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.
Sales history & valuation
12 Castle Mews has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£405,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in OX1 1JR: £391,000 (2025–2023).
Nearby sales in OX1 1JR
3 Castle Mews, St Thomas Street, Oxford, OX1 1JR
Sold Nov 2025
£400,0009 Castle Mews, St Thomas Street, Oxford, OX1 1JR
Sold Aug 2025
£380,00018 Castle Mews, St Thomas Street, Oxford, OX1 1JR
Sold Mar 2025
£391,00016 Castle Mews, St Thomas Street, Oxford, OX1 1JR
Sold Sept 2023
£440,00021 Castle Mews, St Thomas Street, Oxford, OX1 1JR
Sold Jul 2023
£375,000
Versus other St Thomas Street homes
Floor Area for 12 Castle Mews runs comfortably ahead of the street norm.
EPC Rating
75 (C)
Street avg 69 (D)
Floor Area
72 m²
Street avg 60 m²
CO₂ Emissions
3.3 t/year
Street avg 2.9 t/year
Habitable Rooms
4 rooms
Street avg 3 rooms
Everything you need to know about 12 Castle Mews
The true value, the hidden risks and the full sale history, in one report.
Pick your report · from £14.99
One time fee only - money back guarantee
The data behind every report
Similar properties nearby
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
286/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Park End Street — bus stop.
Closest school
0.3 km
Activate Learning. 17 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode
Daytime· 07:00 – 23:00
52.5dB
Night-time· 23:00 – 07:00
43.5dB