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

4 sales on record
Property type
End terrace
Floor 00
Habitable rooms
3
From EPC
Floor area
45 m²
484 sq ft
Energy rating
C
Score 76
Tenure
Private Rental
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Overview

About 3 Castle Mews

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

3 Castle Mews is an end-of-terrace house in Oxford (OX1 1JR). It has a recorded floor area of 45 m² (around 484 sq ft) and construction records dating it to 1996-2002. The latest certificate (September 2021) shows a C (score 76), near the top of the C band. When first surveyed in September 2010 the rating was E, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Average and main heating went from Very Poor to Average. Main heating runs on electricity.

Across 1997–2025, sale prices on this property compounded at 5.3% per year. Today's modelled estimate of £346,000 is 13.5% below the 2025 sale of £400,000, below the original sale price, which typically signals condition or completion-status changes worth verifying. On a £-per-square-foot basis, the last sale (£826/sq ft) was about 92.8% above the typical sold price in the postcode. It changed hands recently, sold November 2025 for £400,000. At 45 m² it's 25.6% smaller than the typical home in the postcode (61 m² median across 26 EPCs).

Before you decide

Everything you need to know about 3 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
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(1 of 3)
Sept 2021

EPC Rating

A
B
C
C76
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Average
Windows
Average
CO2 Emissions
2.5 t/year
Occupancy
Rented

Certificate validity

Valid until 8 September 2031

4 years remaining

Property Improvements

Changes detected from historical EPC data

Oct 2011from Sept 2010
EPC improved fromE42toC73
Heating System
Room HeatersStorage Heaters

Heating system upgraded to a more efficient system

Hot Water
ImmersionImmersion (Off-Peak)

Hot water system upgraded

Floor Insulation
UninsulatedPartial

Floor insulation added or improved

Low Energy Lighting
90%45%

Low energy lighting percentage decreased

Sept 2021from Oct 2011
Low Energy Lighting
45%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Late 20th centuryGround Floor FlatEPC CNo mains gas

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

From £955 · Includes VAT

Planning

Planning history

Applications and permits filed against 3 Castle Mews, St Thomas Street, Oxford, OX1 1JR, sourced from the PlanIt planning register.

3 Castle Mews has no planning applications on record.

10

But the area is active

10 notable applications nearby — larger schemes and conversions that could reshape the street. The report maps them all.

Price

Sales history & valuation

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

3 Castle Mews has more than quadrupled in price since its earliest registered sale in 1997.

Current estimate

£346,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.3% per year over 29 years.

See how we calculated this
Last sold (2025)

£400,000

Growth on file: 5.3% per year over 29 years.

Sales timeline

  1. 28 November 2025Most recent

    £400,000

    +11.1%over 9 years

  2. 25 February 2016

    £360,000

    +80.0%over 7 years

  3. 28 February 2008

    £200,000

    +123.5%over 11 years

  4. 17 January 1997

    £89,500

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 price per m², 3 Castle Mews stands well clear of the street.

Price per m²

£8,889

Street avg £6,165

Strongly above

Floor Area

45 m²

Street avg 61 m²

Strongly below

Habitable Rooms

3 rooms

Street avg 3 rooms

On par

CO₂ Emissions

2.5 t/year

Street avg 2.9 t/year

Above
Before you decide

Everything you need to know about 3 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.
£332k

10 Bridges Cross, Speedwell Street

OX1 1EZ

£375k

1 Venneit Close

OX1 1HZ

3 bed2 bath
£318k

1 Preachers Lane

OX1 1RS

£394k

1 Castle Mews, St Thomas Street

OX1 1JR

2 bed1 bath
£294k

1 Brooks Taylor Court, Albion Place

OX1 1UB

£422k

1 Swan Court, Paradise Street

OX1 1JB

£428k

1 Tidmarsh Lane

OX1 1AZ

2 bed2 bath
£429k

1 The Hamel

OX1 1JU

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 3 Castle Mews, St Thomas Street, Oxford, OX1 1JR. Each answer is also embedded as structured data for search engines.