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House Prices in SA31

The average house price in SA31 (Carmarthen) is £189,500 using HM Land Registry data.

The average property price increased by £43,768 (18.81%) over the last 5 years and increased by £8,750 (3.27%) over the last 12 months.

Over the last year, there were 184 residential property sales – a decrease of 39 transactions (-21.20%) relative to the previous year. The majority of house sales (44) were in the £224,000 - £276,000 range. Then came properties in the £120,000 - £172,000 range, where 40 were sold within this price bracket.

Excluding fall throughs, properties are taking an average of 68 days to sell (from being listed to completion) and the average difference between asking and sold prices is £-11,660 (-4%).

In Jul 2026, there were 35 new estate agency instructions, 21 agreed home sales and 31 property price reductions.

5-Year Average Property Prices in SA31 (Carmarthen)

18.81%

Property prices in SA31 (Carmarthen) increased by 18.81% in last 5 years.

The trend shows the general price tendency over the last 5 years, ignoring all month-to-month fluctuations where anomalies - typically over or underpriced property sales - can skew results. These monthly variations typically do not have any long-term relevance.

We have used linear regression method. The volume of sales in a month is used to put more weight on months with a larger number of properties sold. Additionally, weighting decreases the impact of months with low sales volumes as well as the most recent month - which may consist of incomplete data. Such months have a higher variation of average sale values which may conceal the underlying trend.

From a statistical perspective, we use the least squares method to fit the trend line and weights are equal to the volume of sales squared. The volume of sales is not shown explicitly in the above plot. Also note the time lag for HM Land Registry data to appear (typically 2 to 3 months).

Average Property Prices in SA31 (Carmarthen) Over the Last Year

3.27%

Property prices in SA31 (Carmarthen) increased by 3.27% in last 12 months.

The trend shows the general price tendency over the last 12 months, ignoring all month-to-month fluctuations where anomalies - typically over or underpriced property sales - can skew results. These monthly variations typically do not have any long-term relevance.

Property Market Heat Gauge for SA31 (Carmarthen) - Jul 2026

Our Property Market Heat Gauge looks at how long properties in your postcode district have been on the open market before being changed to sold 'Subject to Contract' ('STC') or 'Under Offer' on Rightmove (the UK's leading property portal).

At 61 to 80 days, the broad evidence suggests a slow moving market. This can often be due to estate agency over-valuations out of sync with the realities, a market slowdown or a combination of both. In such scenarios, some vendors may either choose to wait for the market to pick up (which may result in some relisting the property at a later date). Others simply reduce the price to a level that will entice more buyer interest or approach a sell house fast or auction company like Property Solvers.

Please note that this is not an indicator of how quickly property sales are taking to complete (i.e. to go through the whole conveyancing process). This measurement also does not take into account the risk of home sales falling through.

No. of New Instructions Over the Last 12 Months in SA31 (Carmarthen)

Using local estate agency reported data, this chart illustrates the number of properties that have come on to the market.

No. of Agreed Home Sales Over the Last 12 Months in SA31 (Carmarthen)

Using local estate agency reported data, this chart illustrates the number of property sales agreed. Note that these figures are not fully reflective of properties completed (sold and registered as such at HM Land Registry).

No. of Properties with Price Reductions in SA31 (Carmarthen)

Using local estate agency reported data, this chart illustrates the number of properties which have been seen their prices dropped (typically due to a lack of buyer interest).

Average Annual House Prices in the SA31 (Carmarthen) Postcode since 1995

Using HM Land Registry data, this chart displays average annual house prices in the SA31 postcode area since 1995.

Recent Sales in SA31 (Carmarthen)

Address	Initial Price	Sold Price	Price Change	First Listed Date	Sold Date	Days to Sell
18 Richmond Terrace, Carmarthen, SA31 1HE	£160,000	£140,000	-£20,000	29 Nov 2025	08 May 2026	160 Days
36 Lon Y Plas, Johnstown, Carmarthen, SA31 3NJ	£240,000	£235,000	-£5,000	16 Feb 2026	07 May 2026	80 Days
48 Allt Ioan, Johnstown, Carmarthen, SA31 3SB	£250,000	£230,000	-£20,000	13 Jun 2025	30 Apr 2026	321 Days
3 Park Terrace, Picton Terrace, Carmarthen, SA31 3DG	£150,000	£150,000	£0	04 Aug 2025	24 Apr 2026	263 Days
26 Parc Starling, Johnstown, Carmarthen, SA31 3HX	£325,000	£310,000	-£15,000	19 Jun 2025	20 Apr 2026	305 Days
34 St Annes Avenue, Cwmffrwd, Carmarthen, SA31 2NA	£279,995	£272,500	-£7,495	01 Aug 2025	09 Apr 2026	251 Days
28 Parc Starling, Johnstown, Carmarthen, SA31 3HX	£275,000	£262,000	-£13,000	23 May 2025	31 Mar 2026	312 Days
Near Brook, Heol Nantyglasdwr, Cwmffrwd, Carmarthen, SA31 2LU	£227,500	£217,000	-£10,500	12 May 2025	31 Mar 2026	323 Days
15 Glanffynnon, Llangunnor, Carmarthen, SA31 2EB	£120,000	£100,000	-£20,000	14 Jul 2025	25 Mar 2026	254 Days
27 Long Acre Road, Carmarthen, SA31 1HL	£350,000	£345,000	-£5,000	07 Jul 2025	24 Mar 2026	260 Days
54 Penymorfa, Llangunnor, Carmarthen, SA31 2NP	£325,000	£320,000	-£5,000	17 Sep 2025	16 Mar 2026	180 Days
14 Maes Macsen, Carmarthen, SA31 3FA	£335,000	£320,000	-£15,000	29 Sep 2025	16 Mar 2026	168 Days
17 Cae Celyn, Carmarthen, SA31 1TL	£180,000	£170,000	-£10,000	10 Jul 2025	06 Mar 2026	239 Days
Hollymede Cottage, Park Close, Abergwili, Carmarthen, SA31 2JR	£365,000	£357,500	-£7,500	21 Jan 2026	27 Feb 2026	37 Days
Maesyderi, Monument Hill, Carmarthen, SA31 3LU	£295,000	£272,500	-£22,500	01 Sep 2025	26 Feb 2026	178 Days
28 Pentrefelin Street, Carmarthen, SA31 1SB	£170,000	£170,000	£0	24 Jun 2025	11 Feb 2026	232 Days
68 Heol Drindod, Johnstown, Carmarthen, SA31 3NX	£197,500	£190,000	-£7,500	14 Aug 2025	06 Feb 2026	176 Days
15 Myrddin Crescent, Carmarthen, SA31 1DX	£260,000	£260,000	£0	25 Jul 2025	06 Feb 2026	196 Days
18 St Davids Street, Carmarthen, SA31 3DX	£114,950	£100,000	-£14,950	02 Nov 2025	06 Feb 2026	96 Days
9 Hafan Tywi, The Parade, Carmarthen, SA31 1LW	£179,950	£172,500	-£7,450	03 May 2025	28 Jan 2026	270 Days

Most Expensive Streets in SA31 (Carmarthen)

Postcode	Street	Area	Average	No. of Sales
SA31 2JQ	Wellfield Road, Abergwili	Carmarthen	£566,666	3
SA31 2JZ	Mount Pleasant, Llangunnor	Carmarthen	£487,000	5
SA31 2DF	Parc Y Neuadd	Carmarthen	£461,850	10
SA31 3BU	Penllwyn Park	Carmarthen	£450,000	4
SA31 3BX	Picton Terrace	Carmarthen	£402,800	5
SA31 3GA	Lon Ty Cwm, Johnstown	Carmarthen	£399,285	7
SA31 2AP	Bronwydd Road	Carmarthen	£365,000	3
SA31 3FG	Maes Y Teirw	Carmarthen	£361,250	11
SA31 2DA	Clos Bolahaul, Cwmffrwd	Carmarthen	£341,666	3
SA31 2JR	Park Close, Abergwili	Carmarthen	£335,833	3

Least Expensive Streets in SA31 (Carmarthen)

Postcode	Street	Area	Average	No. of Sales
SA31 1LY	The Parade	Carmarthen	£72,187	16
SA31 1NN	Priory Street	Carmarthen	£94,285	7
SA31 1HQ	Richmond Terrace	Carmarthen	£96,333	3
SA31 1HH	Richmond Cottages, Richmond Terrace	Carmarthen	£101,916	3
SA31 2EB	Glanffynnon, Llangunnor	Carmarthen	£102,000	5
SA31 1ER	Little Water Street	Carmarthen	£105,111	9
SA31 3DG	Park Terrace, Picton Terrace	Carmarthen	£106,181	8
SA31 1NP	Old Priory Road	Carmarthen	£106,500	3
SA31 1LL	Parade Road	Carmarthen	£106,800	5
SA31 1DH	Myrddin Court	Carmarthen	£108,333	3