UK Property Check · Printed on 8 November 2026ukpropertycheck.co.uk/postcode/cf46
CF46Treharris, Merthyr Tydfil, Wales
House prices in CF46, Treharris
Homes in CF46 sold for a median of £160,000 between September 2024 and August 2026, from 327 standard sales.
That is 10% above the £145,000 median for the Merthyr Tydfil council area, which holds 72% of CF46's postcodes.
Prices by property type
| Type | Sales | Median price | Middle half |
|---|---|---|---|
| Detached | 60 | £338,000 | £284,000 to £380,000 |
| Semi-detached | 102 | £205,500 | £151,000 to £240,000 |
| Terraced | 165 | £129,000 | £105,000 to £160,000 |
Most homes sold here were terraced houses, at 51% 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 CF46
Of the postcode sectors with at least 20 standard sales, prices were highest in CF46 6, around Nelson, with a median of £172,500, and lowest in CF46 5, around Treharris, at £140,000. Dashed outlines on the map show roughly where the two sectors are.
Each dot is a postcode in CF46 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 |
|---|---|---|
| CF46 5RP | £387,500 | 4 |
| CF46 5HQ | £380,000 | 3 |
| CF46 5RD | £350,000 | 5 |
| CF46 6AZ | £350,000 | 3 |
| CF46 6HB | £292,500 | 3 |
| CF46 6EF | £287,500 | 4 |
| CF46 6NT | £260,000 | 3 |
| CF46 6NU | £255,000 | 5 |
| CF46 5LA | £240,000 | 3 |
| CF46 6LS | £238,500 | 4 |
| CF46 6DN | £230,000 | 4 |
| CF46 6EH | £227,500 | 7 |
| CF46 5RH | £197,500 | 3 |
| CF46 6EU | £180,000 | 4 |
| CF46 6SE | £170,000 | 3 |
| CF46 6NH | £167,000 | 5 |
| CF46 6DY | £161,000 | 3 |
| CF46 6PD | £160,000 | 3 |
| CF46 6BE | £155,000 | 3 |
| CF46 6EA | £155,000 | 3 |
| CF46 6AF | £154,000 | 3 |
| CF46 5HT | £150,000 | 3 |
| CF46 5RF | £150,000 | 3 |
| CF46 6AD | £150,000 | 3 |
| CF46 6BG | £142,500 | 11 |
| CF46 6DU | £142,000 | 3 |
| CF46 6AW | £141,000 | 3 |
| CF46 5BL | £140,000 | 5 |
| CF46 6NP | £140,000 | 7 |
| CF46 6TE | £135,000 | 4 |
| CF46 5HX | £130,000 | 3 |
| CF46 6NE | £130,000 | 3 |
| CF46 5AB | £128,000 | 5 |
| CF46 5HN | £122,500 | 6 |
| CF46 5HR | £119,000 | 4 |
| CF46 5AD | £117,500 | 3 |
| CF46 6RP | £117,000 | 3 |
| CF46 6NG | £116,000 | 4 |
| CF46 5HS | £106,000 | 5 |
| CF46 5HL | £92,000 | 5 |
| CF46 6RL | £90,000 | 5 |
| CF46 6RG | £84,000 | 5 |
| CF46 6TY | £80,000 | 3 |
| CF46 5AF | £76,000 | 3 |
Prices over time
The median rose 21%, from £125,000 in 2016 to £151,500 in 2025, the fourth smallest rise of the 133 districts in Wales.
Coal mining
All 349 live postcodes in CF46 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 Merthyr Tydfil council area
Median sale price of the 3 districts with at least 100 standard sales, September 2024 to August 2026, dearest first, each named by its post town. CF46 is the most expensive.
When the homes were built
| Built | Homes | Share |
|---|---|---|
| 41 | ||
| 138 | ||
| 10 | ||
| 26 | ||
| 42 | ||
| 25 | ||
| 28 | ||
| 19 |
54% 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 £66,500 for a terraced house on Webster Street to £495,000 for a detached house on Heather Court.
The latest standard sales recorded in CF46. 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.
- 3 Ivy CloseSold for £295,000
- 74 Webster StreetSold for £66,500
- 59 Heol FawrSold for £120,250
- 9 Springfield TerraceSold for £145,000
- Three Tair Heol Cottages Llanfabon RoadSold for £452,500
- 7 Commercial StreetSold for £127,000
- 22 Wern CrescentSold for £135,000
- 3 Llanfabon RoadSold for £182,500
- 49 Heather CourtSold for £495,000
- 46 BryncelynSold for £160,000
Living in CF46
Crime
54 crimes per 1,000 residents in the year to August 2026
Lower than 62 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 47% of homes can get it
Lower than 93 in 100 postcode districts. England and Wales: 89%. The middle half of postcode districts are between 73% and 94%.
Radon
87% of postcodes are in a 1 km square that includes a radon Affected Area
Higher than 67 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 £2,594 a year in Merthyr Tydfil for 2026 to 2027
Higher than 86 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 CF46, from the sales in CF46, September 2024 to August 2026, dearest first:
- Nelson 107 sales£206,000
- Bedlinog and Trelewis 98 sales£150,500
- Treharris 133 sales£140,000
Energy ratings of homes for sale
| Rating | Homes | Share |
|---|---|---|
| A | 3 | |
| B | 6 | |
| C | 170 | |
| D | 125 | |
| E | 14 | |
| F | 3 | |
| G | 8 |
About these figures
The figures come from 327 standard sales in CF46, the latest on 21 August 2026 (what counts as a standard sale).
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.