Property Data Search:

4, ISALLT ESTATE, TREARDDUR BAY, HOLYHEAD, LL65 2QD - £310,000

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.

4 ISALLT ESTATE is a large extended detached house of 150m², built sometime between 1967 and 1975, which could now be worth an estimated £437,246. It was last sold for £310,000 in February 2018, which was around 39% above the average February 2018 detached price in the Isle of Anglesey local authority area. The most recent EPC inspection was December 2015, where the current energy rating was E, and the potential energy rating was D.

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4 ISALLT ESTATE Sold Prices

Land registry data shows two sales for 4 ISALLT ESTATE since 1st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Isle of Anglesey local authority area for the corresponding sale date. One of the two 4 ISALLT ESTATE sales was for above the average price, whilst the other was for below the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).

DatePriceHPI PriceVariation from HPI
2018
28 FEB
£310,000£223,239
up arrow
39% above HPI
1997
7 MAR
£50,000£60,578
down arrow
17% below HPI

4 ISALLT ESTATE Price Paid vs. HPI Average

The below graph shows the average detached house price in the Isle of Anglesey local authority area over time, sourced from the HPI. The two 4 ISALLT ESTATE sales from March 1997 and February 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 March 1997 sale was for 17% below the HPI. So the extrapolation line tracks at 17% below the HPI over time, until the February 2018 sale, where it rises to 39% above the HPI. The line then continues to track at 39% above the HPI.

4, ISALLT ESTATE, TREARDDUR BAY, HOLYHEAD, LL65 2QD: Price paid vs HM Land Registry's House Price Index

What might 4 ISALLT ESTATE be worth now?

4 ISALLT ESTATE might now be worth an estimated £437,246.

This is based on house price inflation of 41%, between February 2018 and February 2025, for detached houses, in the Isle of Anglesey local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 41% inflationary increase is applied to the most recent sale price for 4 ISALLT ESTATE of £310,000 on 28th February 2018. For the value to have increased from £310,000 to £437,246 over the seven years to February 2025, the following assumptions must hold true:

  • The value of 4 ISALLT ESTATE has moved in line with the HPI for detached houses in the Isle of Anglesey local authority area.
  • The February 2018 sale price of £310,000 represented a fair market value for the property.
  • The size, condition, and specification of 4 ISALLT ESTATE has not materially changed since February 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 4 ISALLT ESTATE?

4 ISALLT ESTATE is 150m², which includes one extension, according to the EPC inspection conducted in December 2015. This puts it in the largest 30% of detached houses houses in Trearddur, based on EPC data. The below chart shows the distribution of detached houses houses by size in Trearddur, and where 4 ISALLT ESTATE lies on this distribution: 76% of detached houses houses are smaller than 4 ISALLT ESTATE, and 24% of houses are larger. Note that EPC data is not available for all properties in Trearddur.

4, ISALLT ESTATE, TREARDDUR BAY, HOLYHEAD, LL65 2QD: Size of property relative to detached houses houses in Trearddur

4 ISALLT ESTATE: Plot and Title Map

4 ISALLT ESTATE sits on a plot of roughly 0.194 of an acre, or 787m². The below map shows the location of 4 ISALLT ESTATE, 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 4 ISALLT ESTATE). 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.

4, ISALLT ESTATE, TREARDDUR BAY, HOLYHEAD, LL65 2QD: Plot and title map

Where is 4 ISALLT ESTATE?

4 ISALLT ESTATE is located in TREARDDUR BAY, in the LL65 postcode district. The below map shows the position of No. 4 on ISALLT ESTATE.

4, ISALLT ESTATE, TREARDDUR BAY, HOLYHEAD, LL65 2QD: Location map and indicative extent of plot

All property sales on ISALLT ESTATE

Most recent sales first:

Limited data available
2023
24 MAR
£315,000
Full data available
2019
22 FEB
£265,000
Full data available
2018
28 FEB
£310,000
Limited data available
2011
5 DEC
£164,000
Limited data available
2006
10 NOV
£197,000
Limited data available
2004
25 JUN
£180,000
Limited data available
1998
4 DEC
£53,500
Full data available
1997
15 OCT
£60,000
Full data available
1997
7 MAR
£50,000
Limited data available
1996
28 JUN
£50,000
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.