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.
DEMAYNE is a very large extended detached house of 182m², built sometime between 1967 and 1975, which could now be worth an estimated £988,050. It was last sold for £680,000 in July 2015, which was around 125% above the average July 2015 detached price in the Cornwall local authority area. The most recent EPC inspection was June 2009, where the current energy rating was D, and the potential energy rating was C.
Land registry data shows four sales for DEMAYNE since 1st January 1995. The below table shows the price paid for the four sales, along with the average detached price in the Cornwall local authority area for the corresponding sale date. All of the four DEMAYNE sales were for above the average price. The average price is sourced from the Office for National Statistics' House Price Index (HPI).
| Date | Price | HPI Price | Variation from HPI |
|---|---|---|---|
2015 17 JUL | £680,000 | £301,783 | 125% above HPI |
2010 30 MAR | £585,000 | £278,102 | 110% above HPI |
2003 16 OCT | £420,000 | £224,257 | 87% above HPI |
1997 28 FEB | £171,000 | £78,773 | 117% above HPI |
The below graph shows the average detached house price in the Cornwall local authority area over time, sourced from the HPI. The four DEMAYNE sales between February 1997 and July 2015 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 2010 sale was for 110% above the HPI. So the extrapolation line tracks at 110% above the HPI over time, until the July 2015 sale, where it rises to 125% above the HPI. The line then continues to track at 125% above the HPI.

DEMAYNE might now be worth an estimated £988,050.
This is based on house price inflation of 45.3%, between July 2015 and August 2025, for detached houses, in the Cornwall local authority area, as calculated by the Office for National Statistics and published in their UK House Price Index (HPI).
The 45.3% inflationary increase is applied to the most recent sale price for DEMAYNE of £680,000 on 17th July 2015. For the value to have increased from £680,000 to £988,050 over the nine years and eleven months to August 2025, the following assumptions must hold true:
DEMAYNE is 182m², which includes one extension, according to the EPC inspection conducted in June 2009. This puts it in the largest 20% of detached houses houses in Falmouth, based on EPC data. The below chart shows the distribution of detached houses houses by size in Falmouth, and where DEMAYNE lies on this distribution: 89% of detached houses houses are smaller than DEMAYNE, and 11% of houses are larger. Note that EPC data is not available for all properties in Falmouth.

DEMAYNE sits on a plot of roughly 0.171 of an acre, or 690m². The below map shows the location of DEMAYNE, 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 DEMAYNE). 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.

DEMAYNE is located on FENWICK ROAD in FALMOUTH, in the TR11 postcode district. The below map shows the position of DEMAYNE on FENWICK ROAD.

Most recent sales first: