Rock Street, Mountain Ash
House prices, sold prices and local information for CF45 3LP.
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At a glance
6 property sales on Rock Street, Mountain Ash have been recorded by HM Land Registry since 2016. In the last 12 months 1 home sold here for an average of £112,000. Most sales here are terraced homes, which have sold for an average of £100,000. By property type, sales here have been 50% terraced, 33% semi-detached, 17% detached. Recorded sale prices on Rock Street range from £76,000 to £112,000. Every home sold here was sold freehold.
House prices on Rock Street compared
Average sale price over the last 12 months. Rock Street has had fewer than two sales in that time, so it is left out. See all CF45 house prices.
Average sale price by year
Tenure: 100% freehold and 0% leasehold across 6 recorded sales.
Prices by property type
| Type | Sales | Average price | Last sold |
|---|---|---|---|
| Terraced | 3 | £100,000 | 18 Jun 2026 |
| Semi-detached | 2 | £92,500 | 15 Mar 2021 |
| Detached | 1 | £89,000 | 13 Jan 2023 |
Sold prices on Rock Street
| Address | Date | Price | Type | Tenure |
|---|---|---|---|---|
| 21, Rock Street CF45 3LP | 18 Jun 2026 | £112,000 | Terraced | Freehold |
| 7, Rock Street CF45 3LP | 3 May 2024 | £112,000 | Terraced | Freehold |
| Rock Cottage, 2, Rock Street CF45 3LP | 13 Jan 2023 | £89,000 | Detached | Freehold |
| 16, Rock Street CF45 3LP | 15 Mar 2021 | £95,000 | Semi-detached | Freehold |
| 14, Rock Street CF45 3LP | 13 Dec 2019 | £90,000 | Semi-detached | Freehold |
| 23, Rock Street CF45 3LP | 8 Jul 2016 | £76,000 | 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.
Buying on Rock Street?
Crime and flood risk near Rock Street
Crime
119 crimes were reported within about a mile of Rock Street in August 2026.
| Violence & sexual offences | 71 |
| Public order | 12 |
| Anti-social behaviour | 10 |
| Criminal damage & arson | 9 |
| Burglary | 4 |
| Drugs | 4 |
Source: data.police.uk. Locations are approximate and cover the surrounding area, not just this street.
Flood risk
Rock Street 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, shops and health
Train stations
- Mountain Ash station 0.2 mi · 4 min walk
- Fernhill station 0.8 mi · 15 min walk
- Penrhiwceiber station 1.2 mi · 23 min walk
Nearest bus stops
- Bryn Ifor (before, Llanwonno Road) 1 min walk
- Napier Arms (o/s, High Street) 2 min walk
- Primrose Hill (nr, Darran Road) 2 min walk
- Primrose Hill (nr, Darran Road) 2 min walk
GP surgeries
- Meddygfa Glan Cynon Surge
Ty Calon Lan, Oxford Street, Mountain Ash · 0.2 mi - Health Hub Iw
Ysbyty Cwm Cynon, New Road, Mountain Ash · 0.7 mi - Abercwmboi Medical Practice
Abercwmboi Medical Centre, 1-3 John Street, Aberdare · 1.4 mi - Brookside Medical Centre
Heol Afon Taf, Troedyrhiw, Merthyr Tydfil · 2.6 mi
Supermarkets
- Iceland Iceland Mountain Ash · 0.2 mi
- Morrisons Daily Morrisons Daily Mountain Ash · 0.2 mi
- The Co-operative Food Co-op Penrhwiceiber · 1.1 mi
- Aldi Aldi Aberaman Park Industrial Estate · 2.1 mi
Pharmacies
- Knights Mountain Ash Pharmacy · 0.2 mi
- Allied Pharmacy Mountain Ash · 0.2 mi
- Knights Penrhiwceiber Pharmacy · 1.1 mi
Dentists
- Dental Surgery · 0.2 mi
- Mountain Ash Dental Dept · 0.7 mi
- Ferndale Dental Surgery · 3.2 mi
Sources: Department for Transport (NaPTAN), NHS England organisation data, and GEOLYTIX Retail Points (open data). Walking times are estimates from straight-line distance.
Area profile
Homes
| Here | Eng & Wales | |
|---|---|---|
| Owned | 64.2% | 62.5% |
| Private rented | 27.4% | 20.3% |
| Social rented | 7.9% | 17.1% |
| Households | 734 |
People
| Here | Eng & Wales | |
|---|---|---|
| Under 15 | 16.3% | 17.4% |
| Aged 15–64 | 63.0% | 64.1% |
| Aged 65+ | 20.7% | 18.6% |
| Residents | 1,520 |
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.
Mobile signal
| Here | Eng & Wales | |
|---|---|---|
| 4G indoors, all 4 networks | 83% | 89% |
| 4G indoors, at least 1 network | 100% | 100% |
| 4G outdoors, all 4 networks | 96% | 99% |
| Calls indoors, all 4 networks | 94% | 92% |
Share of homes across Rhondda Cynon Taf with good coverage (Jul 2025). Signal varies street by street; check your exact address on Ofcom's checker. 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.
Energy ratings and home sizes on Rock Street
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Who lives around Rock Street
Ethnic group
| Here | Rhondda Cynon Taf | |
|---|---|---|
| White | 97% | 96.7% |
| Asian, Asian British or Asian Welsh | 1.8% | 1.5% |
| Mixed or Multiple ethnic groups | 0.8% | 1% |
| Black, Black British, Black Welsh, Caribbean or African | 0.2% | 0.4% |
| Other ethnic group | 0.2% | 0.3% |
Religion
| Here | Rhondda Cynon Taf | |
|---|---|---|
| No religion | 55.8% | 56.2% |
| Christian | 37.5% | 36.4% |
| Not answered | 5.7% | 5.8% |
| Muslim | 0.7% | 0.6% |
| Other religion | 0.2% | 0.5% |
| Buddhist | 0.1% | 0.2% |
| Hindu | 0.1% | 0.2% |
| Jewish | 0% | – |
Country of birth
| Here | Rhondda Cynon Taf | |
|---|---|---|
| Born in the UK | 96.9% | 96.3% |
| Born outside the UK | 3.1% | 3.7% |
Highest qualification
| Here | Rhondda Cynon Taf | |
|---|---|---|
| No qualifications | 28.1% | 24.2% |
| Level 4 qualifications and above | 20.1% | 26.7% |
| Level 3 qualifications | 17% | 16.8% |
| Level 2 qualifications | 16.5% | 15% |
| Level 1 and entry level qualifications | 10.3% | 9.4% |
| Apprenticeship | 5.3% | 5.1% |
| Other qualifications | 2.7% | 2.7% |
General health
| Here | Rhondda Cynon Taf | |
|---|---|---|
| Very good health | 40.7% | 44.5% |
| Good health | 32.9% | 31.7% |
| Fair health | 17.8% | 15.5% |
| Bad health | 5.5% | 6.3% |
| Very bad health | 3.1% | 1.9% |
Cars or vans per household
| Here | Rhondda Cynon Taf | |
|---|---|---|
| 1 car or van in household | 44% | 41.8% |
| No cars or vans in household | 32.9% | 22.2% |
| 2 cars or vans in household | 17.8% | 26.6% |
| 3 or more cars or vans in household | 5.3% | 9.3% |
Source: Census 2021 (ONS), via Nomis. Percentages of usual residents or households, as recorded in March 2021.
Figures cover the surrounding neighbourhood (Lower Layer Super Output Area, about 1,500 residents). Full demographics of Rhondda Cynon Taf.
Planning and heritage near Rock Street
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Noise, radon and ground hazards
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Planning applications near Rock Street
Recent planning applications around Rock Street from the council's planning register. Choose how far to look:
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What's my home worth?
Get an instant estimate from what you paid and how prices in Rhondda Cynon Taf have moved since.
Council tax here
Rhondda Cynon Taf Band D is £2,289 a year (Band A £1,526). See every band.
Estate agents near Rock Street
- T Samuel Estate Agents 0.2 mi
- Durbin & Co Estate Agents 0.3 mi
- W J Holder & Co 3.4 mi
- Travel House 3.6 mi
- Bidmead Cook & Williams 3.6 mi
Agent locations © OpenStreetMap contributors. More local agents
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