UK Property Check · Printed on 8 November 2026ukpropertycheck.co.uk/postcode/cf45
CF45Mountain Ash, Rhondda Cynon Taf, Wales
House prices in CF45, Mountain Ash
Homes in CF45 sold for a median of £125,000 between September 2024 and August 2026, from 397 standard sales.
It is the third cheapest of the 10 postcode districts in the Rhondda Cynon Taf council area with at least 100 sales.
Prices by property type
| Type | Sales | Median price | Middle half |
|---|---|---|---|
| Detached | 35 | £285,000 | £260,000 to £408,000 |
| Semi-detached | 62 | £161,000 | £120,000 to £204,000 |
| Terraced | 292 | £119,500 | £95,000 to £136,000 |
Most homes sold here were terraced houses, at 74% of sales.
Compare an asking price
- Check a home for its floor area
- How much to offer, then how to put the offer in writing
- Work out Land Transaction Tax
Where prices are higher in CF45
Of the postcode sectors with at least 20 standard sales, prices were highest in CF45 4, around Abercynon and Mountain Ash, with a median of £135,000, and lowest in CF45 3, around Mountain Ash, at £119,000. Dashed outlines on the map show roughly where the two sectors are.
Each dot is a postcode in CF45 with at least 3 standard sales from September 2024 to August 2026, shaded by the median price of those sales. Select a dot for its median and a link to its sales, or use the list below the map.
Map loading
List the 44 postcodes on the map, dearest first
| Postcode | Median price | Standard sales |
|---|---|---|
| CF45 3NB | £415,000 | 3 |
| CF45 4YA | £375,000 | 3 |
| CF45 4NH | £280,000 | 3 |
| CF45 4FF | £267,500 | 3 |
| CF45 4DL | £197,500 | 4 |
| CF45 3DU | £173,500 | 7 |
| CF45 4FD | £168,000 | 8 |
| CF45 4NR | £168,000 | 3 |
| CF45 3NA | £167,500 | 4 |
| CF45 4BA | £165,000 | 4 |
| CF45 3ND | £143,500 | 4 |
| CF45 4AZ | £140,000 | 4 |
| CF45 4PR | £135,000 | 5 |
| CF45 4RL | £133,500 | 4 |
| CF45 3LT | £132,500 | 3 |
| CF45 4RW | £130,500 | 4 |
| CF45 3BB | £130,000 | 3 |
| CF45 3TL | £127,500 | 3 |
| CF45 4PF | £127,000 | 8 |
| CF45 4NY | £125,000 | 7 |
| CF45 3LE | £124,000 | 4 |
| CF45 3LY | £123,500 | 6 |
| CF45 3HX | £123,000 | 3 |
| CF45 3BD | £120,000 | 3 |
| CF45 4NE | £120,000 | 3 |
| CF45 3NJ | £119,000 | 3 |
| CF45 3AB | £118,000 | 4 |
| CF45 3BE | £118,000 | 5 |
| CF45 4TP | £118,000 | 3 |
| CF45 4RH | £117,500 | 4 |
| CF45 4PG | £116,500 | 4 |
| CF45 3HR | £115,000 | 3 |
| CF45 4TL | £110,000 | 5 |
| CF45 3SS | £105,000 | 4 |
| CF45 4YS | £105,000 | 3 |
| CF45 3YB | £102,000 | 3 |
| CF45 4BE | £100,000 | 4 |
| CF45 4RE | £100,000 | 3 |
| CF45 3TW | £98,000 | 9 |
| CF45 3PS | £95,000 | 3 |
| CF45 4HG | £95,000 | 5 |
| CF45 4TA | £95,000 | 4 |
| CF45 3AN | £90,000 | 3 |
| CF45 3PE | £75,000 | 5 |
Prices over time
The median rose 72%, from £72,500 in 2016 to £125,000 in 2025, among the biggest tenth of rises across the 133 districts in Wales.
Coal mining
All 437 live postcodes in CF45 are in the Mining Remediation Authority's coal mining reporting area, so expect your conveyancer to order a mining report with the other conveyancing searches. It does not mean a home is affected (what the report covers).
Postcode districts in the Rhondda Cynon Taf council area
Median sale price of the 10 districts with at least 100 standard sales, September 2024 to August 2026, dearest first, each named by its post town. CF45 is the third cheapest.
- CF72 Pontyclun£252,000
- CF38 Pontypridd£240,000
- CF44 Aberdare£156,000
- CF37 Pontypridd£155,000
- CF39 Porth£147,000
- CF41 Pentre£125,500
- CF40 Tonypandy£125,000
- CF45 Mountain Ash, this district£125,000
- CF42 Treorchy£122,500
- CF43 Ferndale£95,000
Energy ratings of homes for sale
| Rating | Homes | Share |
|---|---|---|
| B | 6 | |
| C | 153 | |
| D | 193 | |
| E | 28 | |
| F | 10 | |
| G | 1 |
Only 41% of homes put up for sale were rated C or better, against 52% across England and Wales. D was the most common rating: see what a D rating means.
When the homes were built
| Built | Homes | Share |
|---|---|---|
| 68 | ||
| 236 | ||
| 8 | ||
| 17 | ||
| 24 | ||
| 28 | ||
| 9 | ||
| 1 |
78% of homes put up for sale were built before 1930, against 24% across England and Wales. For older homes RICS suggests a Level 3 survey: see which survey you need.
Recent sales
The 10 latest sales ran from £97,000 for a semi-detached house on Bryntirion to £260,000 for a detached house on Ffordd Y Glowyr.
The latest standard sales recorded in CF45. Sales take 2 weeks to 2 months to appear (how to find out what a house sold for). Select an address to check that home, or a postcode for every sale there.
- 27 Martins TerraceSold for £159,000
- 45 Nant-y-fedwSold for £155,000
- Ty'r DarrenSold for £270,000
- 3 Richmond RoadSold for £190,000
- 25 Ffordd Y GlowyrSold for £260,000
- 11 Ffordd Y GlowyrSold for £190,000
- 85 BryntirionSold for £97,000
- 11 Boi CloseSold for £172,500
- 2 Victor StreetSold for £168,500
- Tanybryn Villa Main RoadSold for £185,000
Living in CF45
Crime
81 crimes per 1,000 residents in the year to August 2026
Higher than 66 in 100 postcode districts. England and Wales: 84. The middle half of postcode districts are between 47 and 93.
The rate counts every crime recorded in an area against the people who live there, so shops, stations and nightlife push it up.
Gigabit broadband
Across its postcodes, an average of 68% of homes can get it
Lower than 80 in 100 postcode districts. England and Wales: 89%. The middle half of postcode districts are between 73% and 94%.
Radon
Every postcode is in a 1 km square that includes a radon Affected Area
Higher than 83 in 100 postcode districts.
In a radon Affected Area, UKHSA recommends a radon test. A UKradon report gives the result for an exact address.
Council tax
Band D is £2,289 a year in Rhondda Cynon Taf for 2026 to 2027
Lower than 82 in 100 council areas. Wales: £2,283. The middle half of council areas are between £2,323 and £2,526.
Band D includes every charge on the bill, such as the police and any community council.
The free check gives these for a single home, with the nearest schools and road and rail noise (how we work them out).
Crime: data.police.uk, with Census 2021 population from the Office for National Statistics. Broadband: Ofcom Connected Nations, January 2026. Radon: the British Geological Survey and UKHSA. Council tax: the Welsh Government. Contains public sector information licensed under the Open Government Licence v3.0.
Prices by council ward
Median price in the council wards that cover most of CF45, from the sales in CF45, September 2024 to August 2026, dearest first:
- Mountain Ash 158 sales£136,500
- Abercynon 140 sales£130,000
- Penrhiw-ceibr 105 sales£112,000
About these figures
The figures come from 397 standard sales in CF45, the latest on 28 August 2026 (what counts as a standard sale). Of these, fewer than 1 in 10 were flats.
Updated 15 October 2026 with sales recorded to August 2026. Next update due in late November 2026.
Contains HM Land Registry data © Crown copyright and database right 2026. Energy certificate data from the Ministry of Housing, Communities and Local Government. Both are licensed under the Open Government Licence v3.0.