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

Property type
Mid terrace
Floor 02
Bedrooms
2
Bathroom
1
Floor area
59 m²
635 sq ft
Energy rating
C
Score 77
Council tax
Band E
Tenure
Owner Occupied
Overview

About 16 St James Mansions

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

16 St James Mansions is a two-bedroom mid-terrace house in Cardiff (CF10 5LG). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 1996-2002 and council tax band E. The latest certificate (April 2025) shows a C (score 77), near the top of the C band. The rating has held steady at C across 2 certificates since September 2014. Between certificates, hot-water efficiency went from Very Poor to Poor and lighting went from Good to Very Good; while window efficiency dropped from Good to Average. The recommended improvements would push it to B (score 81). Main heating runs on electricity. At 59 m² this is the 13th 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.

Today's modelled estimate of £165,000 is 18.7% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£219/sq ft) was about 17.6% above the typical sold price in the postcode. Last changed hands 11 years ago, in July 2015.

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
  • Dining roomYes

Outside

  • ParkingAllocated
  • BalconyYes
Before you decide

Everything you need to know about 16 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)
Apr 2025

EPC Rating

A
B
C
C77
D
E
F
G
Main Heating
Electric
Main Fuel
Electric
Hot Water
Poor
Windows
Average
CO2 Emissions
1.8 t/year
Occupancy
Owner Occupied

Certificate validity

Valid until 27 April 2035

8 years remaining

Property Improvements

Changes detected from historical EPC data

Apr 2025from Sept 2014
Hot Water
ImmersionImmersion (Off-Peak)

Hot water system upgraded

Low Energy Lighting
46%100%

More low energy lighting installed

SDL Surveying

Get a survey for this property

Level 2 HomeBuyer Report

Late 20th century2nd Floor FlatEPC C

We've checked 10 risk factors against the available data for this property and believe a Level 2 HomeBuyer Report could be a suitable option for you.

From £495 · Includes VAT

Planning

Planning history

Applications and permits filed against 16 St James Mansions, Mount Stuart Square, Cardiff, CF10 5LG, sourced from the PlanIt planning register.

16 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.

16 St James Mansions's sale-price growth has lagged the wider UK trajectory across its history on file.

Current estimate

£165,000

Modelled from EPC, postcode comparables and a sale-price growth of 0.3% per year over 13 years.

See how we calculated this
Last sold (2015)

£139,000

Growth on file: 0.3% per year over 13 years.

Sales timeline

  1. 30 July 2015Most recent

    £139,000

    +4.5%over 13 years

  2. 20 June 2002

    £133,000

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.

On years held, 16 St James Mansions runs well behind the street norm.

Price per m²

£2,356

Street avg £2,129

Above

Floor Area

59 m²

Street avg 59 m²

On par

Habitable Rooms

2 rooms

Street avg 3 rooms

Below

CO₂ Emissions

1.8 t/year

Street avg 2.2 t/year

Above
Before you decide

Everything you need to know about 16 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
£372k

1 Bute Esplanade

CF10 5BD

2 bed2 bath
£201k

1 Judkin Court, Heol Tredwen

CF10 5AU

3 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 16 St James Mansions, Mount Stuart Square, Cardiff, CF10 5LG. Each answer is also embedded as structured data for search engines.