Clos Thomas, Old St Mellons, Cardiff
House prices, sold prices and local information for CF3 6YR.
At a glance
55 property sales on Clos Thomas, Old St Mellons, Cardiff have been recorded by HM Land Registry since 2020. In the last 12 months 1 home sold here for an average of £297,500. Most sales here are detached homes, which have sold for an average of £311,149. 11 homes here have sold more than once since 2020; 11 of them sold for more the second time.
House prices on Clos Thomas compared
Average sale price over the last 12 months. Clos Thomas has had fewer than two sales in that time, so it is left out. See all CF3 house prices.
Average sale price by year
Prices by property type
| Type | Sales | Average price | Last sold |
|---|---|---|---|
| Detached | 26 | £311,149 | 15 Aug 2025 |
| Semi-detached | 20 | £231,447 | 26 Jun 2026 |
| Terraced | 9 | £213,768 | 28 Mar 2024 |
Sold prices on Clos Thomas
| Address | Date | Price | Type | Tenure |
|---|---|---|---|---|
| 2, Clos Thomas CF3 6YR | 26 Jun 2026 | £297,500 | Semi-detached | Freehold |
| 3, Clos Thomas CF3 6YR | 27 Feb 2026 | £255,000 | Terraced | Freehold |
| 1, Clos Thomas CF3 6YR | 15 Aug 2025 | £340,000 | Detached | Freehold |
| 4, Clos Thomas CF3 6YR | 22 Jul 2025 | £247,500 | Semi-detached | Freehold |
| 14, Clos Thomas CF3 6YR | 16 Apr 2025 | £330,000 | Detached | Freehold |
| 31, Clos Thomas CF3 6YR | 28 Feb 2025 | £348,000 | Detached | Freehold |
| 22, Clos Thomas CF3 6YR | 24 Jan 2025 | £243,000 | Semi-detached | Freehold |
| 51, Clos Thomas CF3 6YR | 10 Jan 2025 | £285,000 | Semi-detached | Freehold |
| 4, Clos Thomas CF3 6YR | 21 Oct 2024 | £250,000 | Semi-detached | Freehold |
| 2, Clos Thomas CF3 6YR | 25 Jun 2024 | £278,000 | Semi-detached | Freehold |
| 27, Clos Thomas CF3 6YR | 28 Mar 2024 | £278,000 | Terraced | Freehold |
| 5, Clos Thomas CF3 6YR | 24 Nov 2023 | £234,950 | Terraced | Freehold |
| 53, Clos Thomas CF3 6YR | 15 Jul 2022 | £273,000 | Semi-detached | Freehold |
| 43, Clos Thomas CF3 6YR | 30 Jun 2022 | £468,995 | Detached New build | Freehold |
| 16, Clos Thomas CF3 6YR | 25 Jun 2021 | £204,995 | Semi-detached New build | Freehold |
| 37, Clos Thomas CF3 6YR | 30 Apr 2021 | £299,995 | Detached New build | Freehold |
| 39, Clos Thomas CF3 6YR | 26 Mar 2021 | £329,995 | Detached New build | Freehold |
| 41, Clos Thomas CF3 6YR | 26 Mar 2021 | £282,995 | Detached New build | Freehold |
| 1, Clos Thomas CF3 6YR | 5 Feb 2021 | £263,995 | Detached | Freehold |
| 11, Clos Thomas CF3 6YR | 29 Jan 2021 | £294,995 | Detached New build | Freehold |
| 14, Clos Thomas CF3 6YR | 29 Jan 2021 | £264,995 | Detached New build | Freehold |
| 59, Clos Thomas CF3 6YR | 22 Dec 2020 | £314,995 | Detached New build | Freehold |
| 28, Clos Thomas CF3 6YR | 18 Dec 2020 | £329,995 | Detached New build | Freehold |
| 33, Clos Thomas CF3 6YR | 18 Dec 2020 | £282,995 | Detached New build | Freehold |
| 35, Clos Thomas CF3 6YR | 18 Dec 2020 | £289,995 | Detached New build | Freehold |
| 49, Clos Thomas CF3 6YR | 18 Dec 2020 | £219,995 | Semi-detached New build | Freehold |
| 51, Clos Thomas CF3 6YR | 18 Dec 2020 | £219,995 | Semi-detached New build | Freehold |
| 53, Clos Thomas CF3 6YR | 18 Dec 2020 | £224,995 | Semi-detached New build | Freehold |
| 31, Clos Thomas CF3 6YR | 17 Dec 2020 | £286,995 | Detached New build | Freehold |
| 55, Clos Thomas CF3 6YR | 17 Dec 2020 | £224,995 | Semi-detached New build | Freehold |
| 57, Clos Thomas CF3 6YR | 17 Dec 2020 | £299,995 | Detached New build | Freehold |
| 23, Clos Thomas CF3 6YR | 16 Dec 2020 | £194,995 | Terraced New build | Freehold |
| 26, Clos Thomas CF3 6YR | 16 Dec 2020 | £324,995 | Detached New build | Freehold |
| 4, Clos Thomas CF3 6YR | 14 Dec 2020 | £204,995 | Semi-detached New build | Freehold |
| 13, Clos Thomas CF3 6YR | 11 Dec 2020 | £299,995 | Detached New build | Freehold |
| 15, Clos Thomas CF3 6YR | 11 Dec 2020 | £299,995 | Detached New build | Freehold |
| 17, Clos Thomas CF3 6YR | 11 Dec 2020 | £284,995 | Detached | Freehold |
| 9, Clos Thomas CF3 6YR | 11 Dec 2020 | £329,995 | Detached | Freehold |
| 19, Clos Thomas CF3 6YR | 10 Dec 2020 | £258,995 | Detached New build | Freehold |
| 21, Clos Thomas CF3 6YR | 10 Dec 2020 | £220,995 | Terraced New build | Freehold |
| 25, Clos Thomas CF3 6YR | 10 Dec 2020 | £189,995 | Terraced New build | Freehold |
| 27, Clos Thomas CF3 6YR | 10 Dec 2020 | £219,995 | Terraced New build | Freehold |
| 29, Clos Thomas CF3 6YR | 10 Dec 2020 | £263,995 | Detached New build | Freehold |
| 18, Clos Thomas CF3 6YR | 4 Dec 2020 | £204,995 | Semi-detached New build | Freehold |
| 20, Clos Thomas CF3 6YR | 4 Dec 2020 | £199,995 | Semi-detached New build | Freehold |
| 22, Clos Thomas CF3 6YR | 4 Dec 2020 | £199,995 | Semi-detached New build | Freehold |
| 24, Clos Thomas CF3 6YR | 4 Dec 2020 | £264,995 | Detached New build | Freehold |
| 10, Clos Thomas CF3 6YR | 3 Dec 2020 | £224,995 | Semi-detached | Freehold |
| 12, Clos Thomas CF3 6YR | 30 Nov 2020 | £224,995 | Semi-detached New build | Freehold |
| 3, Clos Thomas CF3 6YR | 27 Nov 2020 | £199,995 | Terraced | Freehold |
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 |
|---|---|---|
| 2, Clos Thomas | £224,995 (Nov 2020) → £278,000 (Jun 2024) → £297,500 (Jun 2026) | +32% over 6 yrs |
| 3, Clos Thomas | £199,995 (Nov 2020) → £255,000 (Feb 2026) | +28% over 5 yrs |
| 1, Clos Thomas | £263,995 (Feb 2021) → £340,000 (Aug 2025) | +29% over 5 yrs |
| 4, Clos Thomas | £204,995 (Dec 2020) → £250,000 (Oct 2024) → £247,500 (Jul 2025) | +21% over 5 yrs |
| 14, Clos Thomas | £264,995 (Jan 2021) → £330,000 (Apr 2025) | +25% over 4 yrs |
| 31, Clos Thomas | £286,995 (Dec 2020) → £348,000 (Feb 2025) | +21% over 4 yrs |
| 22, Clos Thomas | £199,995 (Dec 2020) → £243,000 (Jan 2025) | +22% over 4 yrs |
| 51, Clos Thomas | £219,995 (Dec 2020) → £285,000 (Jan 2025) | +30% over 4 yrs |
| 27, Clos Thomas | £219,995 (Dec 2020) → £278,000 (Mar 2024) | +26% over 3 yrs |
| 5, Clos Thomas | £189,995 (Nov 2020) → £234,950 (Nov 2023) | +24% over 3 yrs |
| 53, Clos Thomas | £224,995 (Dec 2020) → £273,000 (Jul 2022) | +21% over 2 yrs |
Buying on Clos Thomas?
Crime and flood risk near Clos Thomas
Crime
132 crimes were reported within about a mile of Clos Thomas in August 2026.
| Violence & sexual offences | 41 |
| Anti-social behaviour | 26 |
| Public order | 22 |
| Criminal damage & arson | 15 |
| Shoplifting | 6 |
| Vehicle crime | 6 |
Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.
Flood risk
Clos Thomas is not in or near any Environment Agency flood warning or alert area.
Flood warning areas cover places at risk from rivers and the sea. Surface water risk isn't included. Check the long-term flood risk for a postcode on GOV.UK.
Getting around and local GPs
Train stations
- Llanishen station 2.6 mi · 53 min walk
- Lisvane & Thornhill station 2.8 mi · 56 min walk
- Heath High Level station 3.0 mi · 1 hr walk
Nearest bus stops
- Rogers Avenue (Church Road) 2 min walk
- Mortimer Avenue (Mortimer Avenue) 3 min walk
- Heol Booths 3 (nr, Heol Booths) 5 min walk
- Heol Booths 2 (nr, Heol Booths) 5 min walk
GP surgeries
- Brynderwen Surgery
Crickhowell Road, St Mellons, Cardiff · 1.2 mi - Cyncoed Medical Practice
Dartington Drive, Pontprennau, Cardiff · 1.4 mi - St. Davids Medical Centre
Pontprennau Medical Centr, Pentwyn Drive, Cardiff · 1.4 mi - Willowbrook Surgery
5 Strathy Road, St. Mellons, Cardiff · 1.6 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 | 88.6% | 62.5% |
| Private rented | 6.3% | 20.3% |
| Social rented | 5.0% | 17.1% |
| Households | 537 |
People
| Here | Eng & Wales | |
|---|---|---|
| Under 15 | 18.0% | 17.4% |
| Aged 15–64 | 72.7% | 64.1% |
| Aged 65+ | 9.2% | 18.6% |
| Residents | 1,225 |
Broadband
| Here | UK | |
|---|---|---|
| Superfast (30Mbit+) | 100% | 95% |
| Ultrafast (300Mbit+) | 100% | 80% |
| Gigabit-capable | 100% | 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 CF3
- Church Road£267k
- Mortimer Avenue£278k
- Heol Booths£317k
- Heol Bennett£347k
- Rhodfa Crughywel£212k
- Wentloog Road£227k
- New Road£234k
- Greenway Road£244k
- Heritage Park£225k
- Ridgeway Road£249k
- Rhodfa Leonard£340k
- Willowbrook Gardens£239k