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

Property type
End terrace
Floor 2nd
Bedrooms
2
Bathrooms
2
Floor area
67 m²
721 sq ft
Energy rating
C
Score 78
Council tax
Band E
Tenure
Private Rental
Overview

About 30 St Stephens Mansions

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

30 St Stephens Mansions is a two-bedroom end-of-terrace house in Cardiff (CF10 5LQ). It has a recorded floor area of 67 m² (around 721 sq ft), construction records dating it to 2003-2006 and council tax band E. The latest certificate (June 2019) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since June 2009. Between certificates, lighting went from Very Poor to Very Good; while hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to B (score 84). Main heating runs on electricity. At 67 m² this is the 22nd 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 across 64 units on file. Other recorded features include a balcony.

It hasn't traded since March 2004, a hold of 22 years that's notably long for the area.

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
  • EnsuiteYes

Outside

  • Private gardenYes
  • ParkingAllocated
  • BalconyYes

Building

  • LiftYes
Before you decide

Everything you need to know about 30 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)
Jun 2019

EPC Rating

A
B
C
C78
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Poor
Windows
Good
CO2 Emissions
2.0 t/year
Occupancy
Rented

Certificate validity

Valid until 30 June 2029

2 years remaining

Property Improvements

Changes detected from historical EPC data

Jun 2019from Jun 2009
Heating Controls
ThermostatProg + Stat

Heating controls upgraded for better temperature management

Hot Water
AveragePoor

Hot water efficiency decreased

Low Energy Lighting
7%100%

More low energy lighting installed

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 £820 · Includes VAT

Planning

Planning history

Applications and permits filed against 30 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ, sourced from the PlanIt planning register.

30 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

£174,000

Modelled from EPC, postcode comparables.

See how we calculated this
Last sold (2004)

£170,000

Recorded with HM Land Registry.

Sales timeline

  1. 12 March 2004Most recent

    £170,000

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.

Price per m² for 30 St Stephens Mansions runs comfortably ahead of the street norm.

Price per m²

£2,537

Street avg £2,302

Strongly above

Floor Area

67 m²

Street avg 72 m²

Below

Habitable Rooms

3 rooms

Street avg 3 rooms

On par

CO₂ Emissions

2.0 t/year

Street avg 2.2 t/year

On par
Before you decide

Everything you need to know about 30 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.
£160k

1 Carlotta Way

CF10 5FY

2 bed
£227k

1 Ezel Court, Heol Glan Rheidol

CF10 5NS

2 bed2 bath
£254k

1 Empire House, Mount Stuart Square

CF10 5LR

2 bed2 bath
£184k

1 Clarence Court, Pomeroy Street

CF10 5GT

1 bed1 bath
£190k

1 Adelaide Street

CF10 5BS

3 bed
£372k

1 Bute Esplanade

CF10 5BD

2 bed2 bath
£201k

1 Judkin Court, Heol Tredwen

CF10 5AU

3 bed2 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 30 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ. Each answer is also embedded as structured data for search engines.