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25 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ

EPC B
Property type
Semi-detached
Floor 02
Bedrooms
2
Bathrooms
2
Floor area
84 m²
904 sq ft
Energy rating
B
Score 83
Council tax
Band F
Tenure
Private Rental
Overview

About 25 St Stephens Mansions

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

25 St Stephens Mansions is a two-bedroom semi-detached house in Cardiff (CF10 5LQ). It has a recorded floor area of 84 m² (around 904 sq ft), construction records dating it to 2007-2011 and council tax band F. The latest certificate (November 2021) returns a B (score 83), comfortably above the UK average. The rating has held steady at B across 2 certificates since September 2011. Between certificates, lighting went from Poor to Very Good; while main heating dropped from Poor to Very Poor. Main heating runs on electricity. At 84 m² this is the 53rd smallest of 64 units on EPC record in the building, where floor areas span 48–99 m². The building's EPC ratings span E to B, with this unit at the top.

It hasn't traded since September 2003, a hold of 23 years that's notably long for the area. At 84 m² it's 18.3% larger than the typical home in the postcode (71 m² median across 63 EPCs). Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Today's modelled estimate of £201,000 is 14.9% above the 2003 sale price.

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
  • Bathrooms2

Outside

  • ParkingAllocated
Before you decide

Everything you need to know about 25 St Stephens Mansions

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

Larger 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)
Nov 2021

EPC Rating

A
B
B83
C
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Poor
Windows
Good
CO2 Emissions
1.7 t/year
Occupancy
Rented

Certificate validity

Valid until 11 November 2031

5 years remaining

Property Improvements

Changes detected from historical EPC data

Nov 2021from Sept 2011
Heating Controls
Prog + StatThermostat

Heating controls changed

Low Energy Lighting
23%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

21st century2nd Floor FlatEPC BNo mains gas

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

From £885 · Includes VAT

Planning

Planning history

Applications and permits filed against 25 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ, sourced from the PlanIt planning register.

25 St Stephens Mansions has no planning applications on record.

5

But the area is active

5 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.
Current estimate

£201,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2003)

£175,000

Recorded with HM Land Registry.

Sales timeline

  1. 28 September 2003Most recent

    £175,000

Median price across the last 5 sales in CF10 5LQ: £195,000 (2026–2025).

On the street

Versus other Mount Stuart Square homes

Four headline reads against 62 similar flats on this street, drawn from the latest EPC and Land Registry data.

EPC Rating for 25 St Stephens Mansions runs comfortably ahead of the street norm.

Price per m²

£2,083

Street avg £2,309

Below

Floor Area

84 m²

Street avg 72 m²

Strongly above

Habitable Rooms

4 rooms

Street avg 3 rooms

Strongly above

CO₂ Emissions

1.7 t/year

Street avg 2.2 t/year

Strongly above
Before you decide

Everything you need to know about 25 St Stephens Mansions

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

Larger 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.
£227k

1 Ezel Court, Heol Glan Rheidol

CF10 5NS

2 bed2 bath
£160k

1 Carlotta Way

CF10 5FY

2 bed
£254k

1 Empire House, Mount Stuart Square

CF10 5LR

2 bed2 bath
£201k

1 Judkin Court, Heol Tredwen

CF10 5AU

3 bed2 bath
£190k

1 Adelaide Street

CF10 5BS

3 bed
£372k

1 Bute Esplanade

CF10 5BD

2 bed2 bath
£184k

1 Clarence Court, Pomeroy Street

CF10 5GT

1 bed1 bath
£150k

1 Clarence Mews, Clarence Embankment

CF10 5GF

1 bed1 bath
Area

The neighbourhood at a glance

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

Rail-style transport is unusually close for this postcode.

Crime

485/mo

Steady year-on-year across the wider district.

Nearest stop

0.1 km

Dumballs Road Bottom — bus stop.

Go deeper on the local area

A Local Area report breaks down crime, transport links, schools and air quality in depth.

FAQ

Common questions

The questions buyers, sellers and homeowners most often ask about 25 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ. Each answer is also embedded as structured data for search engines.