Mount Stuart Square, Cardiff
House prices, sold prices and local information for CF10 5LQ, CF10 5EB, CF10 5DP.
At a glance
66 property sales on Mount Stuart Square, Cardiff have been recorded by HM Land Registry since 2016. In the last 12 months 3 homes sold here for an average of £154,000. Most sales here are flat homes, which have sold for an average of £168,661. Average sale prices fell from £161,000 in 2016 to £154,000 in 2026 (-4%), though averages on a single street can swing with the mix of homes sold. That is 51% below the Cardiff average of £312,948 over the same period. 15 homes here have sold more than once since 2016; 9 of them sold for more the second time.
House prices on Mount Stuart Square compared
Average sale price over the last 12 months. See all CF10 house prices.
Average sale price by year
Prices by property type
| Type | Sales | Average price | Last sold |
|---|---|---|---|
| Flat | 65 | £168,661 | 10 Jul 2026 |
| Semi-detached | 1 | £200,000 | 31 Jul 2023 |
Sold prices on Mount Stuart Square
| Address | Date | Price | Type | Tenure |
|---|---|---|---|---|
| 2, St. James Mansions, Mount Stuart Square CF10 5LG | 10 Jul 2026 | £100,000 | Flat | Leasehold |
| 32, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 29 May 2026 | £200,000 | Flat | Leasehold |
| 36, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 1 May 2026 | £162,000 | Flat | Leasehold |
| Coptic House, 4 - 5, Mount Stuart Square CF10 5EE | 18 Dec 2025 | £460,000 | Other | Freehold |
| 7, Mount Stuart Square CF10 5EE | 13 Nov 2025 | £70,000 | Other | Freehold |
| 16, Mount Stuart Square CF10 5DP | 27 Aug 2025 | £185,000 | Other | Freehold |
| 53, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 29 Jul 2025 | £184,000 | Flat | Leasehold |
| 46, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 7 Jul 2025 | £195,000 | Flat | Leasehold |
| 20, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 7 Jan 2025 | £200,000 | Flat | Leasehold |
| Ground Floor Office Suite, Colum Building, 13, Mount Stuart Square CF10 5EE | 2 Jan 2025 | £400,000 | Other | Freehold |
| 20, Mount Stuart Square CF10 5DP | 17 Oct 2024 | £310,000 | Detached | Freehold |
| Unit 10, The Fourth Floor, Mount Stuart Square CF10 5GX | 15 Oct 2024 | £195,000 | Other | Leasehold |
| Flat 4, Marine House, Mount Stuart Square CF10 5DP | 30 Sep 2024 | £172,500 | Flat | Leasehold |
| 12, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 10 Jul 2024 | £199,900 | Flat | Leasehold |
| St Line House, 60, Mount Stuart Square CF10 5LY | 27 Mar 2024 | £2,940,000 | Other | Freehold |
| 19, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 14 Feb 2024 | £190,000 | Flat | Leasehold |
| 3, Mount Stuart Square CF10 5EE | 29 Aug 2023 | £510,000 | Other | Freehold |
| 7, Mount Stuart Square CF10 5EE | 7 Aug 2023 | £224,000 | Terraced | Freehold |
| Unit 4, Crichton House, Mount Stuart Square CF10 5EE | 31 Jul 2023 | £200,000 | Semi-detached | Leasehold |
| Apartment 16, Empire House, Mount Stuart Square CF10 5LR | 16 Jun 2023 | £125,000 | Flat | Leasehold |
| The Coal Exchange, Mount Stuart Square CF10 5EB | 28 Feb 2023 | £28,800 | Other | Freehold |
| 8, Mount Stuart Square CF10 5EE | 25 Nov 2022 | £300,000 | Other | Freehold |
| Perch Buildings, 9, Mount Stuart Square CF10 5EE | 25 Nov 2022 | £490,000 | Other | Freehold |
| 61, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 14 Oct 2022 | £130,000 | Flat | Leasehold |
| Flat 5, Marine House, Mount Stuart Square CF10 5DP | 9 Sep 2022 | £179,000 | Flat | Leasehold |
| Flat 9, Marine House, Mount Stuart Square CF10 5DP | 24 Jun 2022 | £175,000 | Flat | Leasehold |
| Cambrian Buildings, Mount Stuart Square CF10 5FL | 8 Apr 2022 | £2,958,317 | Other | Freehold |
| 8, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 15 Feb 2022 | £135,000 | Flat | Leasehold |
| Flat 21, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £800,000 | Flat New build | Leasehold |
| Flat 20, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £170,000 | Flat New build | Leasehold |
| Flat 19, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £270,000 | Flat New build | Leasehold |
| Flat 18, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £270,000 | Flat New build | Leasehold |
| Flat 17, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £250,000 | Flat New build | Leasehold |
| Flat 16, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £250,000 | Flat New build | Leasehold |
| Flat 15, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £170,000 | Flat New build | Leasehold |
| Flat 14, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £270,000 | Flat New build | Leasehold |
| Flat 13, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £270,000 | Flat New build | Leasehold |
| Flat 12, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £250,000 | Flat New build | Leasehold |
| Flat 11, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £250,000 | Flat New build | Leasehold |
| Flat 10, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £170,000 | Flat New build | Leasehold |
| Flat 9, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £270,000 | Flat New build | Leasehold |
| Flat 8, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £270,000 | Flat New build | Leasehold |
| Flat 7, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £250,000 | Flat New build | Leasehold |
| Flat 6, Casablanca Building, Mount Stuart Square CF10 5FQ | 11 Feb 2022 | £250,000 | Flat New build | Leasehold |
| 6, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 15 Dec 2021 | £190,000 | Flat | Leasehold |
| 40, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 19 Nov 2021 | £178,000 | Flat | Leasehold |
| 57, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 1 Oct 2021 | £183,000 | Flat | Leasehold |
| St Line House, 60, Mount Stuart Square CF10 5LR | 12 Aug 2021 | £710,000 | Other | Freehold |
| Marine House, 23, Mount Stuart Square CF10 5DP | 18 May 2021 | £37,430 | Other | Freehold |
| 12, St. Stephens Mansions, Mount Stuart Square CF10 5LQ | 12 Apr 2021 | £196,000 | Flat | Leasehold |
Sale prices are as recorded by HM Land Registry. Some sales (for example repossessions and company purchases) are listed but left out of the averages.
Sale history: homes sold more than once
| Address | Sales | Change |
|---|---|---|
| 32, St. Stephens Mansions, Mount Stuart Square | £183,000 (Oct 2016) → £190,000 (Apr 2018) → £200,000 (May 2026) | +9% over 10 yrs |
| 7, Mount Stuart Square | £87,000 (Oct 2017) → £224,000 (Aug 2023) → £70,000 (Nov 2025) | -20% over 8 yrs |
| 53, St. Stephens Mansions, Mount Stuart Square | £185,000 (Apr 2019) → £184,000 (Jul 2025) | -1% over 6 yrs |
| 20, St. Stephens Mansions, Mount Stuart Square | £195,000 (Jun 2019) → £193,000 (Nov 2020) → £200,000 (Jan 2025) | +3% over 6 yrs |
| Unit 10, The Fourth Floor, Mount Stuart Square | £390,000 (Aug 2016) → £135,000 (Feb 2019) → £195,000 (Oct 2024) | -50% over 8 yrs |
| Flat 4, Marine House, Mount Stuart Square | £172,000 (Nov 2020) → £172,500 (Sep 2024) | +0% over 4 yrs |
| 12, St. Stephens Mansions, Mount Stuart Square | £176,500 (Mar 2019) → £196,000 (Apr 2021) → £199,900 (Jul 2024) | +13% over 5 yrs |
| St Line House, 60, Mount Stuart Square | £710,000 (Aug 2021) → £2,940,000 (Mar 2024) | +314% over 3 yrs |
| 61, St. Stephens Mansions, Mount Stuart Square | £87,000 (Apr 2017) → £130,000 (Oct 2022) | +49% over 5 yrs |
| Flat 5, Marine House, Mount Stuart Square | £164,000 (Aug 2020) → £179,000 (Sep 2022) | +9% over 2 yrs |
| Flat 9, Marine House, Mount Stuart Square | £165,000 (Aug 2020) → £175,000 (Jun 2022) | +6% over 2 yrs |
| Marine House, 23, Mount Stuart Square | £317,500 (May 2016) → £37,430 (May 2021) | -88% over 5 yrs |
| 67, St. Stephens Mansions, Mount Stuart Square | £168,000 (Aug 2019) → £185,000 (May 2020) | +10% over under a year |
| 37, St. Stephens Mansions, Mount Stuart Square | £160,000 (Dec 2017) → £177,500 (Nov 2019) | +11% over 2 yrs |
| Unit 6, Crichton House, Mount Stuart Square | £390,000 (Aug 2016) → £129,000 (Apr 2019) | -67% over 3 yrs |
Buying on Mount Stuart Square?
Crime and flood risk near Mount Stuart Square
Crime
853 crimes were reported within about a mile of Mount Stuart Square in August 2026.
| Violence & sexual offences | 271 |
| Shoplifting | 141 |
| Anti-social behaviour | 114 |
| Public order | 74 |
| Vehicle crime | 70 |
| Criminal damage & arson | 63 |
Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.
Getting around and local GPs
Train stations
- Cardiff Bay station 0.1 mi · 2 min walk
- Cardiff Central station 0.8 mi · 17 min walk
- Grangetown (Cardiff) station 0.9 mi · 19 min walk
Nearest bus stops
- Mount Stuart Square (adj, James Street) 2 min walk
- Dumballs Road Bottom (o/s Viceroy Court, Dumballs Road) 2 min walk
- Nat West Building (o/s Portland House, Bute Street) 2 min walk
- Mount Stuart Square (opp, James Street) 2 min walk
GP surgeries
- Butetown Medical Practice
Loudoun, Plas Iona, Cardiff · 0.3 mi - Grangetown Health Centre
Cambridge Street, Grangetown, Cardiff · 0.5 mi - Cardiff Bay Surgery
45 Cambridge Street, Grangetown, Cardiff · 0.5 mi - Clare Road Medical Centre
148-152 Clare Road, Cardiff · 0.9 mi
Sources: Department for Transport (NaPTAN) and NHS England practice data. Walking times are estimates from straight-line distance.
Area profile
Homes
| Here | Eng & Wales | |
|---|---|---|
| Owned | 19.8% | 62.5% |
| Private rented | 32.3% | 20.3% |
| Social rented | 46.2% | 17.1% |
| Households | 1,031 |
People
| Here | Eng & Wales | |
|---|---|---|
| Under 15 | 22.5% | 17.4% |
| Aged 15–64 | 67.9% | 64.1% |
| Aged 65+ | 9.5% | 18.6% |
| Residents | 2,530 |
Broadband
| Here | UK | |
|---|---|---|
| Superfast (30Mbit+) | 92% | 95% |
| Ultrafast (300Mbit+) | 67% | 80% |
| Gigabit-capable | 67% | 80% |
Share of homes on this street's postcodes that can get each speed. UK figure is the average across all postcodes. Source: Ofcom Connected Nations.
Neighbourhood figures cover the surrounding Lower Layer Super Output Area (about 1,500 residents). Sources: Census 2021 (ONS) and the English Indices of Deprivation 2025.
Nearby streets in CF10
- Park Place£154k
- Bute Terrace£134k
- Heol Glan Rheidol£134k
- Penstone Court£207k
- Vellacott Close£172k
- Henke Court£231k
- Ffordd Garthorne£173k
- Westgate Street£119k
- Schooner Drive£178k
- Falcon Drive£183k
- Adventurers Quay£247k
- Landmark Place£100k