17 Castle Mews, St Thomas Street, Oxford, OX1 1JR
About 17 Castle Mews
17 Castle Mews is a semi-detached house in Oxford (OX1 1JR). It has a recorded floor area of 51 m² (around 549 sq ft) and construction records dating it to 1996-2002. The latest certificate (August 2021) shows a D (score 60), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2011); the latest reading is one band lower. Between certificates, hot-water efficiency dropped from Average to Poor and main heating dropped from Average to Very Poor. The recommended improvements would push it to C (score 73). Main heating runs on electricity. At 51 m² this is the 6th 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 51 m² it's 15.7% smaller than the typical home in the postcode (61 m² median across 26 EPCs).
Everything you need to know about 17 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 30 August 2031
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 £955 · Includes VAT
Planning history
17 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
17 Castle Mews has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£365,000
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
EPC Rating for 17 Castle Mews lags the street by a wide margin.
EPC Rating
60 (D)
Street avg 69 (C)
Floor Area
51 m²
Street avg 61 m²
CO₂ Emissions
3.0 t/year
Street avg 2.9 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
Everything you need to know about 17 Castle Mews
The true value, the hidden risks and the full sale history, in one report.
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Similar properties nearby
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