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

1 planning record
Property type
Semi-detached
Floor 02
Bedrooms
2
Bathroom
1
Floor area
52 m²
560 sq ft
Energy rating
C
Score 71
Tenure
Owner Occupied
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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 63.1% 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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Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Energy

Energy performance

Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Current Certificate
Feb 2025

EPC Rating

A
B
C
C71
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Good
CO2 Emissions
1.8 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 5 February 2035

8 years remaining
SDL Surveying

Get a survey for this property

Level 3 Building Survey

21st century2nd Floor FlatEPC CNo mains gas

Because the property has no mains gas supply, we believe a Level 3 building survey should be considered.

From £1,020 · Includes VAT

Planning

Planning history

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

1 application on record at 18 Castle Mews, St Thomas Street, Oxford, OX1 1JR

1decisions7documents10nearby
  1. Oct 2022
    Outline
    Outcome 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
    Full record in report

Unlock 18 Castle Mews, St Thomas Street, Oxford, OX1 1JR's full planning history

You're seeing the shape of it. The report has the substance.

  • Every decision — granted, refused or withdrawn (1 on record)
  • All 1 application on this property in full, plus 10 notable nearby
  • The 7 documents, officer reports & conditions
  • What the pattern means for extending or converting here
£14.99one-off · instant

One time fee only - 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

£410,000

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

  1. 26 March 2025Most recent

    £391,000

    +200.8%over 27 years

  2. 2 October 1997

    £130,000

Median price across the last 5 sales in OX1 1JR: £385,000 (2025–2022).

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 co₂ emissions, 18 Castle Mews stands well clear of the street.

Price per m²

£7,519

Street avg £6,225

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

Pick your report · from £14.99

One time fee only - money back guarantee

Preview of the full property report

The data behind every report

  • HM Land Registry, source of sold price history
  • Department for Education, source of schools data
  • Police.uk, source of crime statistics
  • Department for Transport, source of stations and transport links
  • Environment Agency, source of flood risk data
  • Department for Environment, Food & Rural Affairs, source of road noise data
  • PlanIt, source of planning application records
Comparables

Similar properties nearby

A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
£394k

1 Castle Mews, St Thomas Street

OX1 1JR

2 bed1 bath
£428k

1 Tidmarsh Lane

OX1 1AZ

2 bed2 bath
£450k

1 Rowland Hill Court, Osney Lane

OX1 1LE

2 bed2 bath
£375k

1 Venneit Close

OX1 1HZ

3 bed2 bath
£240k

1 Abbey Walk, Osney Lane

OX1 1NN

1 bed1 bath
£715k

1 Dale Close

OX1 1TU

3 bed2 bath
£422k

1 Swan Court, Paradise Street

OX1 1JB

£729k

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

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.

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 road noise heatmap for OX1 1JR

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.