UK Property Check · Printed on 8 November 2026ukpropertycheck.co.uk/postcode/cf42
CF42Treorchy, Rhondda Cynon Taf, Wales
House prices in CF42, Treorchy
Homes in CF42 sold for a median of £122,500 between September 2024 and August 2026, from 322 standard sales.
It is the second 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 | 23 | £320,000 | £274,000 to £363,000 |
| Semi-detached | 23 | £135,000 | £107,000 to £201,000 |
| Terraced | 275 | £118,000 | £93,000 to £145,000 |
CF42 has too few sales linked to an energy certificate for its own price per m². Nearby districts priced within 20% of it have their own: CF40 at £1,429 per m² from 21 sales and CF39 at £1,766 per m² from 28 sales.
Most homes sold here were terraced houses, at 85% 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 CF42
Of the postcode sectors with at least 20 standard sales, prices were highest in CF42 6, around Treorchy, with a median of £132,000, and lowest in CF42 5, around Treherbert, at £108,500. Dashed outlines on the map show roughly where the two sectors are.
Each dot is a postcode in CF42 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 48 postcodes on the map, dearest first
| Postcode | Median price | Standard sales |
|---|---|---|
| CF42 6HA | £350,000 | 3 |
| CF42 5AY | £285,000 | 3 |
| CF42 6SN | £210,000 | 4 |
| CF42 6TN | £210,000 | 3 |
| CF42 6UW | £185,000 | 5 |
| CF42 6NL | £166,000 | 3 |
| CF42 6RL | £165,500 | 4 |
| CF42 5DD | £165,000 | 3 |
| CF42 6TS | £162,500 | 4 |
| CF42 6TT | £160,000 | 5 |
| CF42 6LA | £155,000 | 3 |
| CF42 6TW | £148,000 | 3 |
| CF42 5NU | £146,000 | 3 |
| CF42 5AR | £145,000 | 3 |
| CF42 6EB | £145,000 | 3 |
| CF42 5PN | £135,000 | 3 |
| CF42 5PR | £133,500 | 4 |
| CF42 6DR | £132,000 | 3 |
| CF42 5PP | £130,000 | 3 |
| CF42 5BH | £128,500 | 4 |
| CF42 5SF | £125,000 | 6 |
| CF42 6RF | £125,000 | 3 |
| CF42 6UU | £122,500 | 9 |
| CF42 6LN | £120,000 | 3 |
| CF42 6NY | £120,000 | 3 |
| CF42 5NY | £118,000 | 3 |
| CF42 5SP | £117,000 | 4 |
| CF42 6UR | £112,000 | 3 |
| CF42 6NA | £110,000 | 3 |
| CF42 5LH | £108,000 | 3 |
| CF42 5LR | £108,000 | 5 |
| CF42 5BU | £107,000 | 5 |
| CF42 5LS | £105,000 | 3 |
| CF42 6PA | £105,000 | 3 |
| CF42 5SA | £102,000 | 6 |
| CF42 6LW | £101,500 | 4 |
| CF42 6PR | £100,000 | 3 |
| CF42 5PF | £98,000 | 3 |
| CF42 5SB | £95,000 | 3 |
| CF42 6LD | £95,000 | 3 |
| CF42 6LH | £93,000 | 3 |
| CF42 5AS | £92,500 | 3 |
| CF42 5LL | £90,000 | 5 |
| CF42 6NU | £86,500 | 4 |
| CF42 6LF | £83,500 | 4 |
| CF42 6LG | £80,000 | 3 |
| CF42 5ND | £75,500 | 6 |
| CF42 6PS | £64,000 | 3 |
Prices over time
The median rose 98%, from £63,000 in 2016 to £125,000 in 2025, the second biggest rise of the 133 districts in Wales.
Coal mining
All 310 live postcodes in CF42 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. CF42 is the second 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£125,000
- CF42 Treorchy, this district£122,500
- CF43 Ferndale£95,000
Energy ratings of homes for sale
| Rating | Homes | Share |
|---|---|---|
| B | 5 | |
| C | 111 | |
| D | 152 | |
| E | 20 | |
| F | 8 | |
| G | 3 |
Only 39% 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 |
|---|---|---|
| 129 | ||
| 131 | ||
| 3 | ||
| 13 | ||
| 14 | ||
| 1 | ||
| 6 | ||
| 2 |
87% 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.
With 43% built before 1900, ask early whether a home is listed or in a conservation area, which limits the work you can do: see buying a listed building and buying in a conservation area.
Recent sales
The 10 latest sales ran from £98,495 for a terraced house on Brook Street to £187,000 for a terraced house on Brook Street.
The latest standard sales recorded in CF42. 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.
- 25 Regent StreetSold for £152,500
- 51 Baglan StreetSold for £155,000
- 23 Brook StreetSold for £187,000
- 224 Park RoadSold for £135,000
- 12 Park RoadSold for £125,000
- 17 Ninian StreetSold for £118,000
- 66 Brook StreetSold for £98,495
- 105 Bute StreetSold for £118,000
- 64 Baglan StreetSold for £173,000
- 83 Park RoadSold for £135,000
Streets with the most standard sales, with their median price, September 2024 to August 2026:
- Brook Street, Blaenrhondda£105,00017 sales
- Park Road, Treorchy£88,00015 sales
- Bute Street, Treherbert£135,00013 sales
- High Street, Treorchy£112,50012 sales
- Dumfries Street, Treherbert£122,50011 sales
Living in CF42
Crime
73 crimes per 1,000 residents in the year to August 2026
Near the middle of all 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 94% of homes can get it
Higher than 73 in 100 postcode districts. England and Wales: 89%. The middle half of postcode districts are between 73% and 94%.
Radon
68% of postcodes are in a 1 km square that includes a radon Affected Area
Near the middle of all 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 CF42, from the sales in CF42, September 2024 to August 2026, dearest first:
- Treorchy 177 sales£131,000
- Treherbert 152 sales£108,000
About these figures
The figures come from 322 standard sales in CF42, the latest on 26 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.