15 Castle Mews, St Thomas Street, Oxford, OX1 1JR
About 15 Castle Mews
15 Castle Mews is an end-of-terrace house in Oxford (OX1 1JR). It has a recorded floor area of 63 m² (around 678 sq ft) and construction records dating it to 1996-2002. The latest certificate (October 2019) shows a D (score 62), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2009. Between certificates, hot-water efficiency dropped from Average to Very Poor and lighting dropped from Good to Average. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on electricity. At 63 m² this is the 16th 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.
On a £-per-square-foot basis, the last sale (£605/sq ft) was about 43.8% above the typical sold price in the postcode. Last sale on file: £410,000 in May 2019.
Everything you need to know about 15 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
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Certificate validity
Valid until 26 October 2029
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
15 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
15 Castle Mews valuation sits well clear of the typical sold price in this postcode.
£378,000
Modelled from EPC, postcode comparables.
£410,000
Recorded with HM Land Registry.
Sales timeline
30 May 2019Most recent
£410,000
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
On epc rating, 15 Castle Mews runs well behind the street norm.
Price per m²
£6,508
Street avg £6,269
Floor Area
63 m²
Street avg 60 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
2.5 t/year
Street avg 2.9 t/year
Everything you need to know about 15 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
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