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

EPC B
Property type
Mid terrace
Floor 1st
Bedrooms
2
Floor area
71 m²
764 sq ft
Energy rating
B
Score 81
Council tax
Band E
Tenure
Private Rental
Overview

About 11 St Stephens Mansions

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

11 St Stephens Mansions is a two-bedroom mid-terrace house in Cardiff (CF10 5LQ). It has a recorded floor area of 71 m² (around 764 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (July 2015) returns a B (score 81), comfortably above the UK average. Main heating runs on electricity. The latest certificate is from July 2015, so improvements made since then won't be reflected. At 71 m² this is the 32nd 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.

Untraded for 22 years, with the last transfer in July 2004. Its energy rating outperforms most of the postcode (better than 79% of similar EPCs). Across 2003–2004, sale prices on this property compounded at 10% per year.

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
  • Open-plan layoutYes
  • Dining roomYes
  • EnsuiteYes

Outside

  • ParkingAllocated

Building

  • LiftYes
  • RefurbishedYes
Before you decide

Everything you need to know about 11 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.

11 St Stephens Mansions's EPC is over a decade old — improvements since won't be reflected.

EPC Expired

This certificate is over 10 years old and is no longer valid.Expired 01 Jul 2025

Current Certificate
Jul 2015

EPC Rating

A
B
B81
C
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Poor
Windows
Average
CO2 Emissions
1.8 t/year
Occupancy
Rented

Certificate validity

Expired on 1 July 2025

New assessment needed to sell or let
SDL Surveying

Get a survey for this property

Level 3 Building Survey

Late 20th century1st Floor FlatEPC BNo 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 11 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ, sourced from the PlanIt planning register.

11 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.

11 St Stephens Mansions changed hands twice within eighteen months — unusual for the area.

Current estimate

£179,000

Modelled from EPC, postcode comparables and a sale-price growth of 10.0% per year over 1 year.

See how we calculated this
Last sold (2004)

£165,000

Growth on file: 10.0% per year over 1 year.

Sales timeline

  1. 1 July 2004Most recent

    £165,000

    +10.0%over 10 months

  2. 21 August 2003

    £150,000

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.

11 St Stephens Mansions outperforms the street on epc rating by a wide margin.

Price per m²

£2,324

Street avg £2,305

On par

Floor Area

71 m²

Street avg 72 m²

On par

Habitable Rooms

3 rooms

Street avg 3 rooms

On par

CO₂ Emissions

1.8 t/year

Street avg 2.2 t/year

Above
Before you decide

Everything you need to know about 11 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
£201k

1 Judkin Court, Heol Tredwen

CF10 5AU

3 bed2 bath
£372k

1 Bute Esplanade

CF10 5BD

2 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 11 St Stephens Mansions, Mount Stuart Square, Cardiff, CF10 5LQ. Each answer is also embedded as structured data for search engines.