Property/Postcode Data Search:

CEFN MAEN, MOUNTAIN LANE, PENMAENMAWR, LL34 6YP - £340,000

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.

CEFN MAEN is a very small extended detached house of 54m², built sometime before 1900, which could now be worth an estimated £553,945. It was last sold for £340,000 in November 2011, which was around 78% above the average November 2011 detached price in the Conwy local authority area. The most recent EPC inspection was September 2011, where the current energy rating was F, and the potential energy rating was F.

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CEFN MAEN Sold Prices

Land registry data shows two sales for CEFN MAEN since 1st January 1995. The below table shows the price paid for the two sales, along with the average detached price in the Conwy local authority area for the corresponding sale date. Both of the two CEFN MAEN 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
2011
11 NOV
£340,000£190,827
up arrow
78% above HPI
1999
2 JUN
£98,950£75,017
up arrow
32% above HPI

CEFN MAEN Price Paid vs. HPI Average

The below graph shows the average detached house price in the Conwy local authority area over time, sourced from the HPI. The two CEFN MAEN sales from June 1999 and November 2011 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 June 1999 sale was for 32% above the HPI. So the extrapolation line tracks at 32% above the HPI over time, until the November 2011 sale, where it rises to 78% above the HPI. The line then continues to track at 78% above the HPI.

CEFN MAEN, MOUNTAIN LANE, PENMAENMAWR, LL34 6YP: Price paid vs HM Land Registry's House Price Index

What might CEFN MAEN be worth now?

CEFN MAEN might now be worth an estimated £553,945.

This is based on house price inflation of 62.9%, between November 2011 and July 2025, for detached houses, in the Conwy local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).

The 62.9% inflationary increase is applied to the most recent sale price for CEFN MAEN of £340,000 on 11th November 2011. For the value to have increased from £340,000 to £553,945 over the fourteen years and four months to July 2025, the following assumptions must hold true:

  • The value of CEFN MAEN has moved in line with the HPI for detached houses in the Conwy local authority area.
  • The November 2011 sale price of £340,000 represented a fair market value for the property.
  • The size, condition, and specification of CEFN MAEN has not materially changed since November 2011.
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 CEFN MAEN?

CEFN MAEN is 54m², which includes two extensions, according to the EPC inspection conducted in September 2011. This puts it in the smallest 10% of detached houses houses in Penmaenmawr, based on EPC data. The below chart shows the distribution of detached houses houses by size in Penmaenmawr, and where CEFN MAEN lies on this distribution: 1% of detached houses houses are smaller than CEFN MAEN, and 99% of houses are larger. Note that EPC data is not available for all properties in Penmaenmawr.

CEFN MAEN, MOUNTAIN LANE, PENMAENMAWR, LL34 6YP: Size of property relative to detached houses houses in Penmaenmawr

CEFN MAEN: Plot and Title Map

CEFN MAEN sits on a plot of roughly 0.328 of an acre, or 1,327m². The below map shows the location of CEFN MAEN, 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 CEFN MAEN). 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.

CEFN MAEN, MOUNTAIN LANE, PENMAENMAWR, LL34 6YP: Plot and title map

Where is CEFN MAEN?

CEFN MAEN is located on MOUNTAIN LANE in PENMAENMAWR, in the LL34 postcode district. The below map shows the position of CEFN MAEN on MOUNTAIN LANE.

CEFN MAEN, MOUNTAIN LANE, PENMAENMAWR, LL34 6YP: Location map and indicative extent of plot

All property sales on MOUNTAIN LANE

Most recent sales first:

Limited data available
2024
27 SEP
£410,000
Full data available
2021
26 MAR
£240,000
Full data available
2020
30 OCT
£585,000
Limited data available
2017
10 NOV
£207,181
Limited data available
2016
29 JUL
£175,000
Full data available
2016
22 MAR
£209,000
Full data available
2015
22 DEC
£170,000
Full data available
2013
30 APR
£345,000
Full data available
2011
11 NOV
£340,000
Full data available
2010
16 AUG
£345,000
Limited data available
2007
7 AUG
£288,950
Full data available
2007
12 JUL
£366,000
Full data available
2004
9 SEP
£330,000
Full data available
2004
20 MAY
£230,000
Limited data available
2004
29 JAN
£220,000
Full data available
1999
23 DEC
£39,400
Limited data available
1999
8 SEP
£92,500
Full data available
1999
2 JUN
£98,950
Full data available
1997
4 DEC
£97,500
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.
Source: Energy Performance of Buildings Data: England and Wales
Licence: Ordnance Survey and Royal Mail Copyright and Database Right Notice.
Licence: Open Government Licence v3.0.
Source: INSPIRE Polygons
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.
Licence: Open Government Licence v3.0.