Detached
£399,991
11% above the Trelech average
90.0% of sales
What is the average house price in Trelech? £361,064
The average house price in Trelech is £361,064, based on 7 homes sold in the 12 months to August 2026. Prices are up 55.9% (£129,398) on a year earlier.
- 1 year change
- +55.9%
- Sold in 12 months
- 7
- Data up to
- August 2026
Sold prices from HM Land Registry, not asking prices. How we calculate this
How much does each type of property cost in Trelech?
Average sold price by property type, and each type's share of recent sales.
Semi-detached
£127,500
65% below the Trelech average
10.0% of sales
Are house prices in Trelech going up or down?
House prices in Trelech are rising: up 55.9% (£129,398) over the past year. Over the past 10 years, prices are up 45.2% (£112,314).
Past 12 months
+55.9%
+£129,398From £231,666 to £361,064
£388,500£225,833
Past 10 years
+45.2%
+£112,314From £248,750 to £361,064
£390,833£154,200
Quick answers for Trelech
9 key facts at a glance.
When did prices peak?
£672,300
Highest average, reached in March 2024
How many homes sold?
7
Recorded so far for the 12 months to August 2026
What sells most often?
Detached houses
90.0% of recent sales
What is the most common price range?
£200k - £300k
30.0% of sales
How many people live in Trelech?
686
38 people per square mile · Very Low (Census 2021)
Population density is Very Low, on a scale from Very Low to Very High.
Usual residents, including communal establishments.
How many households are in Trelech?
269
15 households per square mile · Very Low (Census 2021)
Household density is Very Low, on a scale from Very Low to Very High.
Occupied households, not communal establishments.
How much green space is in Trelech?
27 m² per resident
Less green space per resident than 57% of areas in England and Wales. That's about 3.7 football pitches for every 1,000 residents.
0.0% of the area · 0 public parks. Parks, playing fields, allotments and other public green space, not counting golf courses. Contains OS data © Crown copyright and database right 2026.
What is the crime rate in Trelech?
28 crimes
+47.4% on the previous year · 12 months to September 2026
Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
How does Trelech rank?
16th most expensive area of Sir Gaerfyrddin / Carmarthenshire.
Compared with 72 areas
What are the most expensive homes sold in Trelech?
The highest recorded sale prices in Trelech, from HM Land Registry.
How do house prices in Trelech compare with nearby areas?
Trelech compared with the 6 nearest other areas in Sir Gaerfyrddin / Carmarthenshire.
Trelech vs Llanwinio
- Trelech
- £361,064
- Llanwinio
- £384,800+£23,736
Open comparison
Trelech vs Abernant
- Trelech
- £361,064
- Abernant
- £342,666−£18,398
Open comparison
Trelech vs Meidrim
- Trelech
- £361,064
- Meidrim
- £280,333−£80,731
Open comparison
Trelech vs Cynwyl Elfed
- Trelech
- £361,064
- Cynwyl Elfed
- £270,857−£90,207
Open comparison
Trelech vs Llangynin
- Trelech
- £361,064
- Llangynin
- £321,100−£39,964
Open comparison
Trelech vs Llanboidy
- Trelech
- £361,064
- Llanboidy
- £412,875+£51,811
Open comparison
Thinking of buying in Trelech?
There's a lot to think about. Whether it's a home to live in or a buy-to-let, our free checklist walks you through what to check before you make an offer.
What to check before you buyWhere does this data come from?
Price information is from HM Land Registry, location boundaries are from OpenStreetMap, and households and population are from Nomis Census 2021 postcode estimates (21 March 2021). Parks and green space are from OS Open Greenspace. Contains OS data © Crown copyright and database right 2026. Crime is from police.uk street-level data. Contains public sector information licensed under the Open Government Licence v3.0. Source: police.uk.
Last updated 6 November 2026 at 00:19 with the latest Land Registry data (August 2026). The Trelech dataset covers 70 postcodes.
Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.
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