What type of property is 18 Castle Mews, St Thomas Street, OX1 1JR?

18 Castle Mews, St Thomas Street, OX1 1JR is a 2-bedroom semi-detached house.

When did 18 Castle Mews, St Thomas Street, OX1 1JR last change hands?

18 Castle Mews, St Thomas Street, OX1 1JR last sold for £391,000 in March 2025, around 1 years ago. Before that, it sold for £130,000 in October 1997, so prices have been rising over 27 years on record. Source: HM Land Registry.

How has the value of 18 Castle Mews, St Thomas Street, OX1 1JR changed over time?

Across 2 sales between October 1997 and March 2025, 18 Castle Mews, St Thomas Street, OX1 1JR rose from £130,000 to £391,000, a change of £261,000. That works out to roughly +4.1% per year compounded over 27 years. Source: HM Land Registry.

What is the EPC rating for 18 Castle Mews, St Thomas Street, OX1 1JR?

The current EPC rating for 18 Castle Mews, St Thomas Street, OX1 1JR is C with a score of 71 out of 100, lodged in February 2025. The assessor estimates the property could reach a B. Source: EPC Register.

What is the floor area of 18 Castle Mews, St Thomas Street, OX1 1JR?

18 Castle Mews, St Thomas Street, OX1 1JR has a recorded floor area of 52 m² (560 sq ft), around 26 m² per bedroom. That makes it about 14% smaller than the median EPC-recorded property in OX1 1JR. Source: EPC Register.

How is 18 Castle Mews, St Thomas Street, OX1 1JR heated?

The latest EPC at 18 Castle Mews, St Thomas Street, OX1 1JR records electricity as the main heating fuel. Source: EPC Register.

Has 18 Castle Mews, St Thomas Street, OX1 1JR had any planning applications?

18 Castle Mews, St Thomas Street, OX1 1JR has 1 planning record on file (1 approved), most recent in October 2022. Source: PlanIt planning register.

Where is 18 Castle Mews, St Thomas Street, OX1 1JR located?

18 Castle Mews, St Thomas Street, OX1 1JR sits in Oxford. It falls within the OX1 postcode district in Oxfordshire.

Is 18 Castle Mews, St Thomas Street, OX1 1JR in a safe area?

Police records around 18 Castle Mews, St Thomas Street, OX1 1JR show an average of 6 reported crimes per month over the last 13 months. Violent crime makes up roughly 49% of reports, the most common category. The overall trend is rising (75% versus the prior period). Source: Police UK.

Which schools serve 18 Castle Mews, St Thomas Street, OX1 1JR?

The closest primary school to 18 Castle Mews, St Thomas Street, OX1 1JR is West Oxford Community Primary School (645m), one of 13 primaries within walking distance. The closest secondary is Activate Learning (297m), with 4 secondaries in the surrounding area.

What transport links are near 18 Castle Mews, St Thomas Street, OX1 1JR?

The closest bus stop to 18 Castle Mews, St Thomas Street, OX1 1JR is Park End Street, 123m away. The nearest rail option is Oxford Rail Station, 276m away.

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18 Castle Mews, St Thomas Street, Oxford, OX1 1JR

1 planning record

Property type

Semi-detached

Floor 02

Bedrooms

Bathroom

Floor area

52 m²

560 sq ft

Energy rating

Score 71

Tenure

Owner Occupied

Overview

About 18 Castle Mews

A plain-English summary derived from public records, EPC certificates, sold prices and local data.

18 Castle Mews is a two-bedroom semi-detached house in Oxford (OX1 1JR). It has a recorded floor area of 52 m² (around 560 sq ft) and construction records dating it to 2007-2011. At 52 m² this is the 7th 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. The latest certificate (February 2025) shows a C (score 71). The recommended improvements would push it to B (score 84). Main heating runs on electricity.

Most recent transfer was March 2025 at £391,000 — fresh data. One planning record on file: new windows approved in 2022. Past consents include new windows, meaningful when judging how the property has evolved. Across 1997–2025, sale prices on this property compounded at 4.1% per year. On a £-per-square-foot basis, the last sale (£699/sq ft) was about 66.1% above the typical sold price in the postcode.

Specifications

What this property has

Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.

Inside

Bedrooms2
Bathrooms1

Outside

GarageDouble

Before you decide

Everything you need to know about 18 Castle Mews

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

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30-day money-back guarantee

The data behind every report

Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.

EPC Rating

C71

Main Heating

Electric

Main Fuel

Electric

Hot Water

Very Poor

Windows

Good

CO2 Emissions

1.8 t/year

Occupancy

Owner Occupied

Planning

Planning history

Applications and permits filed against 18 Castle Mews, St Thomas Street, Oxford, OX1 1JR, sourced from the PlanIt planning register.

Oct 2022
Outline
In report
Application to certify that the proposed replacement of second floor windows is lawful development
New Windows
Documents
7 docs on file
Reference
22/01924/CPU
View planning record

Before you offer

We flagged 2 things worth checking at 18 Castle Mews

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.

Signs of HMO activity in the area
Larger development activity nearby

£14.99

30-day money-back guarantee

Price

Sales history & valuation

Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.

18 Castle Mews has more than tripled in price since its earliest registered sale in 1997.

Current estimate

£387,000

Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 27 years.

See how we calculated this

Last sold (2025)

£391,000

Growth on file: 4.1% per year over 27 years.

Sales timeline

26 March 2025Most recent
£391,000
+200.8%over 27 years
2 October 1997
£130,000

Median price across the last 5 sales in OX1 1JR: £380,000 (2025–2022).

Nearby sales in OX1 1JR

On the street

Versus other St Thomas Street homes

Four headline reads against 26 similar flats on this street, drawn from the latest EPC and Land Registry data.

On years held, 18 Castle Mews runs well behind the street norm.

Price per m²

£7,519

Street avg £6,186

Strongly above

Floor Area

52 m²

Street avg 60 m²

Below

Habitable Rooms

3 rooms

Street avg 3 rooms

On par

CO₂ Emissions

1.8 t/year

Street avg 2.9 t/year

Strongly above

Before you decide

Everything you need to know about 18 Castle Mews

The true value, the hidden risks and the full sale history, in one report.

Signs of HMO activity in the areaLarger development activity nearby

£14.99one-off

30-day money-back guarantee

The data behind every report

Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.

£404k

1 Castle Mews, St Thomas Street

OX1 1JR

2 bed1 bath

£450k

1 Rowland Hill Court, Osney Lane

OX1 1LE

2 bed2 bath

£460k

1 Tidmarsh Lane

OX1 1AZ

2 bed2 bath

£374k

1 Venneit Close

OX1 1HZ

3 bed2 bath

£256k

1 Abbey Walk, Osney Lane

OX1 1NN

1 bed1 bath

£781k

1 Dale Close

OX1 1TU

3 bed2 bath

£385k

1 Swan Court, Paradise Street

OX1 1JB

£724k

1 Shirelake Close

OX1 1SN

4 bed

Area

The neighbourhood at a glance

A condensed read of the local area. Each tile links through to the full breakdown on the Oxford district page.

Full Oxford report

Rail-style transport is unusually close for this postcode.

Crime

6/mo

Rising 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

The full report breaks down crime, transport links, schools and air quality in depth.

Noise

Road noise across the postcode

Modelled day and night-time noise levels around OX1 1JR from Defra's strategic mapping. The pin marks this postcode's centroid.

Daytime· 07:00 – 23:00

52.5dB

Low

Night-time road noise heatmap for OX1 1JR

Night-time· 23:00 – 07:00

43.5dB

Low

55 dB

60 dB

65 dB

70 dB

75 dB

80 dB

Defra Road Noise Strategic Mapping, Round 4

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 18 Castle Mews, St Thomas Street, Oxford, OX1 1JR. Each answer is also embedded as structured data for search engines.