Denne and Projecting Walls is a Grade II listed building in the Ashford local planning authority area, England. First listed on 27 November 1957. House.

Denne and Projecting Walls

WRENN ID
tenth-pewter-primrose
Grade
II
Local Planning Authority
Ashford
Constituency
Ashford MP: Sojan Joseph (Lab)
Country
England
Date first listed
27 November 1957
Type
House
Address
Denne and Projecting Walls, Flood Street, Mersham
OS grid reference
TR 046 388
Coordinates
51.11278, 0.92269
Source
Historic England listing

Also on this page: sale history · EPC · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Denne is a house with a core dating from the 16th century or earlier, which was refronted in the late 18th century. It has a timber-framed origin and is clad with galleted ragstone, with extensions in tuck-pointed red brick. The roof is plain tiled and the building consists of two parallel ranges.

The entrance front features two storeys set on a ragstone plinth, with three gauged brick arches on the ground floor. Above, there are four glazing bar sash windows with louvred shutters on the first floor and three on the ground floor, all with gauged heads. The door, located to the centre left, has moulded panels and a circular central panel, topped with a traceried semi-circular fanlight and a pediment supported by fluted pilasters.

To the left, there is a projecting brick wall approximately 7 feet high with a boarded gateway, extending about 20 metres. A wall on the right projects about 10 metres and is set on a ragstone base. The rear wing is partially clad in galleted ragstone.

Inside, there are reeded moulded doorways and modillion cornices, although much of this has been restored in the late 20th century. The interior also features keyed segmental doorways, a bolection moulded fireplace, and a half-landing dog leg stair with iron-twist pattern turned balusters and turned baluster newels, along with scrolled tread-ends. The rear range has a 16th-century clasped purlin roof, with reused smoke-blackened timbers and remnants of an even earlier cross roof.

Local climate

Denne and Projecting Walls sits in a drier-than-average part of the UK, with an average of 740 mm of rain a year. This makes it drier than 76% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 71% of listed buildings.

It experiences an average of 19 freeze-thaw cycles a year, fewer than 81% of listed buildings. Of these, 10 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 1 transaction since 1995
  • No related consent applications matched
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
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