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13 St James Mansions, Mount Stuart Square, Cardiff, CF10 5LG

3 sales on record
Property type
Mid terrace
Floor 01
Bedrooms
2
Bathroom
1
Floor area
64 m²
689 sq ft
Energy rating
C
Score 74
Council tax
Band E
Tenure
Private Rental
Overview

About 13 St James Mansions

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

13 St James Mansions is a two-bedroom mid-terrace house in Cardiff (CF10 5LG). It has a recorded floor area of 64 m² (around 689 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (January 2022) shows a C (score 74). The rating has held steady at C across 2 certificates since May 2009. Between certificates, window efficiency went from Average to Good and lighting went from Poor to Very Good. The recommended improvements would push it to B (score 84). Main heating runs on electricity. At 64 m² this is the 14th smallest of 24 units on EPC record in the building, where floor areas span 39–92 m². The building's EPC ratings span D to B across 24 units on file. Other recorded features include a balcony.

Held since November 2010 — that's 16 years off the open market, well above the local norm. At 64 m² it's 18.5% larger than the typical home in the postcode (54 m² median across 23 EPCs). Today's modelled estimate of £159,000 is 27.2% above the 2010 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
  • Bathrooms1

Outside

  • Private gardenYes
  • ParkingAllocated
  • BalconyYes

Building

  • Central heatingYes
  • RefurbishedYes
Before you decide

Everything you need to know about 13 St James 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)
Jan 2022

EPC Rating

A
B
C
C74
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Average
Windows
Good
CO2 Emissions
1.9 t/year
Occupancy
Rented

Certificate validity

Valid until 13 January 2032

5 years remaining

Property Improvements

Changes detected from historical EPC data

Jan 2022from May 2009
Heating Controls
ThermostatProg + Stat

Heating controls upgraded for better temperature management

Windows
AverageGood

Window efficiency improved

Low Energy Lighting
21%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 3 Building Survey

Late 20th century1st 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 13 St James Mansions, Mount Stuart Square, Cardiff, CF10 5LG, sourced from the PlanIt planning register.

13 St James 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.

13 St James Mansions saw 3 transfers in just over a decade — high turnover for the postcode.

Current estimate

£159,000

Modelled from EPC, postcode comparables and a sale-price growth of -0.5% per year over 8 years.

See how we calculated this
Last sold (2010)

£125,000

Growth on file: -0.5% per year over 8 years.

Sales timeline

  1. 5 November 2010Most recent

    £125,000

    -16.7%over 6 years

  2. 12 December 2003

    £150,000

    +15.4%over 1 year

  3. 27 June 2002

    £130,000

Median price across the last 5 sales in CF10 5LG: £155,000 (2020–2015).

On the street

Versus other Mount Stuart Square homes

Four headline reads against 23 similar flats on this street, drawn from the latest EPC and Land Registry data.

Price per m²

£1,953

Street avg £2,146

Below

Floor Area

64 m²

Street avg 58 m²

On par

Habitable Rooms

3 rooms

Street avg 3 rooms

Above

CO₂ Emissions

1.9 t/year

Street avg 2.2 t/year

On par
Before you decide

Everything you need to know about 13 St James 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
£150k

1 Clarence Mews, Clarence Embankment

CF10 5GF

1 bed1 bath
£184k

1 Clarence Court, Pomeroy Street

CF10 5GT

1 bed1 bath
£190k

1 Adelaide Street

CF10 5BS

3 bed
£132k

1 Hansen Court, Heol Glan Rheidol

CF10 5NX

1 bed1 bath
£372k

1 Bute Esplanade

CF10 5BD

2 bed2 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

0.2 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 13 St James Mansions, Mount Stuart Square, Cardiff, CF10 5LG. Each answer is also embedded as structured data for search engines.