Carmarthenshire house prices, August 2026

Local authority · UK House Price Index · HM Land Registry

Average price

£195,263

August 2026

12 months

+2.7%

August 2025 to August 2026

Last month

−1.5%

July to August 2026

Sales registered

149

June 2026, the latest month published

Wales average

£216,363

August 2026

HM Land Registry's average price for Carmarthenshire was £195,263 in August 2026, up 2.7% on the year. That is about 9% below the Wales average of £214,282 over June to August 2026, the three months it covers. 149 sales in Carmarthenshire have been registered so far for June 2026, the most recent month HM Land Registry have published a count for.

HM Land Registry's average price for Carmarthenshire from the UK House Price Index, broken down by property type, buyer status, funding status and property status.

Price trend

August 2025 to August 2026

Over the 12 months to August 2026, the average price in Carmarthenshire rose 2.7%, peaking at £198,168 in July 2026.

August 2026£195,263, +2.7% on a year earlier

Peak £198,168 in July 2026.

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By property type

Detached homes are the most expensive in Carmarthenshire at £278,401, 202% above flat or maisonette at £92,297. Flat or maisonette is the only type where prices fell over the year, down 0.6%.

HM Land Registry's average price by property type, August 2026.
Property typeAverage priceAnnual change
Detached£278,401+2.2%
Semi-detached£179,559+3.2%
Terraced£147,526+2.9%
Flat or maisonette£92,297−0.6%

Month by month

HM Land Registry's average price and annual change over the last 13 published months. Sales volumes stop two months short because HM Land Registry withhold the most recent counts until more transactions are registered, and the latest published counts are of the sales registered so far.
MonthAverage priceMonthly changeAnnual changeSales
August 2026£195,263−1.5%+2.7%–
July 2026£198,168+0.6%+5.6%–
June 2026£196,985+2.0%+5.7%149
May 2026£193,081+0.2%+3.4%134
April 2026£192,694−0.4%+2.9%163
March 2026£193,540−1.5%+2.7%163
February 2026£196,458+1.2%+4.4%159
January 2026£194,141−0.3%+0.9%156
December 2025£194,708+0.3%+1.5%210
November 2025£194,135+0.3%Broadly flat210
October 2025£193,582+0.2%+1.7%250
September 2025£193,246+1.6%+1.7%214
August 2025£190,122+1.3%−0.6%236

By buyer status

The average price for first-time buyers in Carmarthenshire was £57,559 below that for former owner-occupiers, a gap of 34%.

HM Land Registry's average price by buyer status, August 2026.
BuyerAverage priceAnnual change
First-time buyer£169,075+2.9%
Former owner-occupier£226,634+2.5%

By funding status

The average price for cash buyers in Carmarthenshire was 6% above that for mortgage buyers. Cash accounted for 31% of the cash and mortgage sales registered so far for June 2026.

HM Land Registry's average price by funding status, August 2026. Sales volumes are those registered so far for June 2026, the most recent month published. Cash and mortgage sales are counted separately and do not necessarily add up to the total above.
Paid withAverage priceAnnual changeSales
Cash£201,682+2.6%25
Mortgage£191,061+2.8%56

By property status

The average price for new builds in Carmarthenshire was 36% above that for existing homes.

HM Land Registry's average price by property status, June 2026. Sales volumes are not shown for new builds: they are registered months after completion, so recent counts are incomplete rather than low.
Property statusAverage priceAnnual change
New build£266,846+6.9%
Existing property£196,445+5.7%

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Areas within and around Carmarthenshire

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For a local authority the index is a three-month average (June to August 2026), and the annual change compares it with June to August 2025. The average price is the index's standardised average, a mix-adjusted geometric mean, not the mean or median of sales, so it will not match a list of sold prices. HM Land Registry revise the most recent twelve months as more sales are registered, so recent figures are provisional.