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

4 sales on record
Property type
Semi-detached
Floor 02
Bedrooms
2
Bathroom
1
Floor area
49 m²
527 sq ft
Energy rating
D
Score 67
Tenure
Owner Occupied
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Overview

About 9 Castle Mews

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

9 Castle Mews is a two-bedroom semi-detached house in Oxford (OX1 1JR). It has a recorded floor area of 49 m² (around 527 sq ft) and construction records dating it to 1996-2002. The latest certificate (October 2021) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (April 2011); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while hot-water efficiency dropped from Average to Very Poor. The recommended improvements would push it to C (score 78). Main heating runs on electricity.

It changed hands recently, sold August 2025 for £380,000. Across 1997–2025, sale prices on this property compounded at 5% per year. On a £-per-square-foot basis, the last sale (£720/sq ft) was about 74.5% above the typical sold price in the postcode. At 49 m² it's 19% smaller than the typical home in the postcode (61 m² median across 26 EPCs).

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

  • ParkingYes
Before you decide

Everything you need to know about 9 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 2)
Oct 2021

EPC Rating

A
B
C
D
D67
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Very Poor
Windows
Average
CO2 Emissions
2.9 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 19 October 2031

5 years remaining

Property Improvements

Changes detected from historical EPC data

Oct 2021from Apr 2011
EPC improved fromC76toD67
Hot Water
ImmersionImmersion (Off-Peak)

Hot water system upgraded

Low Energy Lighting
67%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Late 20th century2nd Floor FlatEPC DNo 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 9 Castle Mews, St Thomas Street, Oxford, OX1 1JR, sourced from the PlanIt planning register.

9 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.

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

Current estimate

£405,000

Modelled from EPC, postcode comparables and a sale-price growth of 5.0% per year over 28 years.

See how we calculated this
Last sold (2025)

£380,000

Growth on file: 5.0% per year over 28 years.

Sales timeline

  1. 17 August 2025Most recent

    £380,000

    +4.1%over 3 years

  2. 28 February 2022

    £365,000

    +52.1%over 10 years

  3. 4 September 2011

    £240,000

    +156.7%over 14 years

  4. 25 February 1997

    £93,500

Median price across the last 5 sales in OX1 1JR: £391,000 (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.

9 Castle Mews is notably below the street on years held.

Price per m²

£7,755

Street avg £6,214

Strongly above

Floor Area

49 m²

Street avg 61 m²

Strongly below

Habitable Rooms

3 rooms

Street avg 3 rooms

On par

CO₂ Emissions

2.9 t/year

Street avg 2.9 t/year

On par
Before you decide

Everything you need to know about 9 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 9 Castle Mews, St Thomas Street, Oxford, OX1 1JR. Each answer is also embedded as structured data for search engines.