Studio 3 11-12 Mount Stuart Square
CF10 5EE
- Flat
- 2 bedrooms (estimate)
- 1,109 sq ft
- EPC D
What comparable sales show
Not enough completed sales of similar homes nearby to show a figure yet. Local agents can value it from its details and photos.
From completed sales of similar homes nearby, adjusted for floor area. It cannot see condition, layout or recent work, so it is not a valuation.
In short
Studio 3 11-12 Mount Stuart Square is a 2 bedroom flat in CF10 of about 1,109 sq ft.
Across Cardiff, average prices rose 2.1% in the year to August 2026.
The street
Mount Stuart Square and its sales
Studio 3 11-12 Mount Stuart Square on the map
This home, the completed sales its figure is worked out from, and the other sales on Mount Stuart Square. Choose a pin for the address, size and date.
The Land Registry records a sale by its postcode, so pins sit at the postcode, close to the home, not on its doorstep. Map: contains OS data © Crown copyright and database rights 2026.
Sales activity on Mount Stuart Square
Completed sales registered with HM Land Registry, by quarter
- Sales in two years
- 10
- Average price
- £215,600
- Lowest
- £70,000
- Highest
- £460,000
| Quarter | Sales | Median price |
|---|---|---|
| Q1 2025 | 2 | £300,000 |
| Q2 2025 | 0 | – |
| Q3 2025 | 3 | £185,000 |
| Q4 2025 | 2 | £265,000 |
| Q1 2026 | 0 | – |
| Q2 2026 | 2 | £181,000 |
| Q3 2026 | 1 | £100,000 |
| Q4 2026 | 0 | – |
| Type of home | Share of sales | Median price | Per sq ft |
|---|---|---|---|
| Flats | 100% (6) | £189,500 | – |
Completed sales on Mount Stuart Square
Every sale in the last two years. Choose an address to see that home's page.
| Address | Sold | Price | Type | Size | Per sq ft |
|---|---|---|---|---|---|
| 2, St. James Mansions Mount Stuart SquareCF10 5LG | Jul 2026 | £100,000 | Flat | – | – |
| 32, St. Stephens Mansions Mount Stuart SquareCF10 5LQ | May 2026 | £200,000 | Flat | – | – |
| 36, St. Stephens Mansions Mount Stuart SquareCF10 5LQ | May 2026 | £162,000 | Flat | – | – |
| Coptic House, 4 - 5 Mount Stuart SquareCF10 5EE | Dec 2025 | £460,000 | Other | – | – |
| 7 Mount Stuart SquareCF10 5EE | Nov 2025 | £70,000 | Other | – | – |
| 16 Mount Stuart SquareCF10 5DP | Aug 2025 | £185,000 | Other | – | – |
| 53, St. Stephens Mansions Mount Stuart SquareCF10 5LQ | Jul 2025 | £184,000 | Flat | – | – |
| 46, St. Stephens Mansions Mount Stuart SquareCF10 5LQ | Jul 2025 | £195,000 | Flat | – | – |
| 20, St. Stephens Mansions Mount Stuart SquareCF10 5LQ | Jan 2025 | £200,000 | Flat | – | – |
| Ground Floor Office Suite, Colum Building, 13 Mount Stuart SquareCF10 5EE | Jan 2025 | £400,000 | Other | – | – |
Energy
How efficient the home is
Energy performance certificate
From the official register for Studio 3 11-12 Mount Stuart Square, lodged 6 January 2021.
Rating now
D62 points
Could reach
B83 points
21 points higher with the improvements below
- Built
- Before 1900
- Solar panels
- None recorded
What the assessor found
Each part of the home, with the certificate's own energy efficiency rating.
Walls
Sandstone or limestone, as built, no insulation (assumed)
PoorRoof
(another dwelling above)
Not rated on the certificate
Floor
(another dwelling below)
Not rated on the certificate
Windows
Fully double glazed
AverageHeating
Room heaters, electric
Very poorHeating controls
Appliance thermostats
GoodHot water
Electric immersion, off-peak
PoorLighting
Low energy lighting in all fixed outlets
Very good
Estimated running costs
A year, now and after the recommended improvements.
£575 a year less after the improvements
Heating
Hot water
Lighting
The assessor's estimates at the energy prices in use when the certificate was made (2021), for a typical household. Today's bills will differ.
Improvements the certificate recommends
In the certificate's order. Each rating assumes the steps before it are done.
- 1
50 mm internal or external wall insulation
Typical cost £4,000–£14,000 · saves about £397 a year
Rating after75C - 2
Add additional 80 mm jacket to hot water cylinder
Typical cost £15–£30 · saves about £22 a year
Rating after76C - 3
High heat retention storage heaters
Typical cost £1,200–£1,800 · saves about £155 a year
Rating after83B
Costs and savings are the certificate's own, as estimated when it was made.
History
What it has sold for
Sale history
Every sale of this home registered with HM Land Registry since 1995
No sale of this home has been registered since 1995.
Nearby
Neighbours and the sales behind the figure
Homes in CF10 5EE
Ranked by what comparable sales show. Choose one to see its page.
The area
CF10 at a glance
What buyers have paid in CF10
Completed sales in the last 12 months, against the 12 months before
Flats
Terraced
Semi-detached
| Type | Sales | Average price | Average size | Per sq ft | On the year |
|---|---|---|---|---|---|
| All homes | 186 | £313,247 | – | – | −26.8% |
| Flats | 152 | £182,333 | – | – | +2.3% |
| Terraced | 19 | £291,789 | – | – | −5.9% |
| Semi-detached | 4 | £290,000 | – | – | −12.2% |
Find another home
Enter an address with its postcode, or just the postcode, to open that home's page.
Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.
Energy performance data © Crown copyright. Licensed under the Open Government Licence v3.0.
Floor area and energy rating from the energy certificate of January 2021.
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