Property Data Search:

11, CLOS TREVENTY, CEFNEITHIN, LLANELLI, SA14 7DH - £279,580

The information on this page is based on a number of underlying datasets, most of which are updated monthly. We maintain an update schedule which explains which version of each dataset we are currently relying on.

11 CLOS TREVENTY is a very large extended detached house of 206m², built sometime between 2003 and 2006, which could now be worth an estimated £393,654. It was last sold for £279,580 in December 2018, which was around 41% above the average December 2018 detached price in the Carmarthenshire local authority area. The most recent EPC inspection was May 2015, where the current energy rating was C, and the potential energy rating was C.

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11 CLOS TREVENTY Sold Prices

Land registry data shows two sales for 11 CLOS TREVENTY since 1st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Carmarthenshire local authority area for the corresponding sale date. Both of the two 11 CLOS TREVENTY sales were for above the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2018
7 DEC
£279,580£198,824
up arrow
41% above HPI
2006
10 FEB
£250,000£167,543
up arrow
49% above HPI

11 CLOS TREVENTY Price Paid vs. HPI Average

The below graph shows the average detached house price in the Carmarthenshire local authority area over time, sourced from the HPI. The two 11 CLOS TREVENTY sales from February 2006 and December 2018 have been plotted on the graph. A line has been extrapolated to show what the value of the property might have been over time, following each sale, had it maintained the same margin above or below the HPI (as a percentage). For example, the February 2006 sale was for 49% above the HPI. So the extrapolation line tracks at 49% above the HPI over time, until the December 2018 sale, where it falls to 41% above the HPI. The line then continues to track at 41% above the HPI.

11, CLOS TREVENTY, CEFNEITHIN, LLANELLI, SA14 7DH: Price paid vs HM Land Registry's House Price Index

What might 11 CLOS TREVENTY be worth now?

11 CLOS TREVENTY might now be worth an estimated £393,654.

This is based on house price inflation of 40.8%, between December 2018 and June 2025, for detached houses, in the Carmarthenshire local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 40.8% inflationary increase is applied to the most recent sale price for 11 CLOS TREVENTY of £279,580 on 7th December 2018. For the value to have increased from £279,580 to £393,654 over the seven years and six months to June 2025, the following assumptions must hold true:

  • The value of 11 CLOS TREVENTY has moved in line with the HPI for detached houses in the Carmarthenshire local authority area.
  • The December 2018 sale price of £279,580 represented a fair market value for the property.
  • The size, condition, and specification of 11 CLOS TREVENTY has not materially changed since December 2018.
Disclaimer: Please note that this is a theoretical estimate based on assumptions which may or may not be correct. It should not be relied on for any purpose.

How Large is 11 CLOS TREVENTY?

11 CLOS TREVENTY is 206m², which includes one extension, according to the EPC inspection conducted in May 2015. This puts it in the largest 10% of detached houses houses in Cefneithin, based on EPC data. The below chart shows the distribution of detached houses houses by size in Cefneithin, and where 11 CLOS TREVENTY lies on this distribution: 97% of detached houses houses are smaller than 11 CLOS TREVENTY, and 3% of houses are larger. Note that EPC data is not available for all properties in Cefneithin.

11, CLOS TREVENTY, CEFNEITHIN, LLANELLI, SA14 7DH: Size of property relative to detached houses houses in Cefneithin

11 CLOS TREVENTY: Plot and Title Map

11 CLOS TREVENTY sits on a plot of roughly 0.184 of an acre, or 746m². The below map shows the location of 11 CLOS TREVENTY, an approximate outline of the building(s), and the indicative extent of the property. The plot extent is a Land Registry INSPIRE Index Polygon, and it is important to note that a title may include more than one polygon, whereas only one polygon is shown on the map (the polygon which intersects with the position of 11 CLOS TREVENTY). The full extent of the land contained in any registered title can only be identified from the individual title plan. The maps on this page should not be relied upon to establish the extent of a title.

11, CLOS TREVENTY, CEFNEITHIN, LLANELLI, SA14 7DH: Plot and title map

Where is 11 CLOS TREVENTY?

11 CLOS TREVENTY is located in CEFNEITHIN, in the SA14 postcode district. The below map shows the position of No. 11 on CLOS TREVENTY.

11, CLOS TREVENTY, CEFNEITHIN, LLANELLI, SA14 7DH: Location map and indicative extent of plot

All property sales on CLOS TREVENTY

Most recent sales first:

Full data available
2025
28 FEB
£428,000
Full data available
2023
30 JUN
£259,950
Full data available
2022
3 MAY
£252,500
Limited data available
2021
21 DEC
£335,000
Full data available
2019
1 MAY
£282,500
Full data available
2018
7 DEC
£279,580
Full data available
2018
10 AUG
£275,000
Full data available
2017
20 JAN
£277,500
Limited data available
2015
20 NOV
£278,000
Full data available
2014
27 JUN
£247,000
Limited data available
2010
30 APR
£167,000
Full data available
2010
17 FEB
£249,000
Full data available
2008
6 JUN
£290,000
Full data available
2008
14 APR
£250,000
Limited data available
2007
18 SEP
£283,000
Limited data available
2006
20 DEC
£250,000
Full data available
2006
21 JUL
£249,995
Limited data available
2006
10 FEB
£275,000
Full data available
2006
10 FEB
£250,000
Limited data available
2006
27 JAN
£250,000
Source: HM Land Registry Price Paid Data
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Source: HM Land Registry UK House Price Index
Licence: Contains HM Land Registry data © Crown copyright and database right 2025. This data is licensed under the Open Government Licence v3.0.
Copyright statement: This information is subject to Crown copyright and database rights 2025 and is reproduced with the permission of HM Land Registry. The polygons (including the associated geometry, namely x, y co-ordinates) are subject to Crown copyright and database rights 2025 Ordnance Survey 100026316. Conditions of use.