Summerville House is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 1 July 1974. House.

Summerville House

WRENN ID
lapsed-chapel-harvest
Grade
II
Local Planning Authority
Pembrokeshire
Constituency
Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
Country
Wales
Date first listed
1 July 1974
Type
House
Address
Summerville House, 7 Dark Street, Haverfordwest
OS grid reference
SM 951 156
Coordinates
51.80166, -4.97194
Source
Cadw listing

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

Description

Summerville House is a terraced house constructed with unpainted roughcast and features a close-eaved slate roof without an end stack. It stands three storeys tall and has a one-window range. The house has small-paned sash windows, with a 9-pane sash on the top floor, a 12-pane sash on the first floor, and two sash windows on the ground floor, located in the centre and to the right. There is a 20th-century door with an overlight to the left. The right end wall is made of rubble stone and has an added lean-to along the ground floor. Each floor above has two windows with brick cambered heads; the left window is blocked, while the right features 20th-century metal glazing. The chimney shaft is made of brickwork in the gable. To the right, there is a rear wing with a stairlight that has a cambered brick head and a window under the eaves. The gable end has a blocked loft window to the right of centre and a large timber oriel window on the first floor, which consists of 8-16-8 panes, with roundels at the tops of the dividing piers. There is a modern door leading up steps to the ground floor on the left, as well as a broad basement opening. The interior has not been inspected.

Local climate

Summerville House sits in a wetter-than-average part of the UK, with an average of 1,060 mm of rain a year. This makes it wetter than 85% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 96% of listed buildings.

It experiences an average of 4 freeze-thaw cycles a year, fewer than 98% of listed buildings. Of these, 1 follows 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 — 5 transactions since 1996
  • 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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Nearby listed buildings

  1. Somerset House Grade II 6 m
  2. Nos 9 & 10 Dark Street Grade II 15 m
  3. The Assembly Rooms Grade II 19 m
  4. The Liberal Chambers Grade II 20 m
  5. 11 Dark Street Grade II 23 m
  6. 3 Tower Hill Grade II 24 m
  7. 5 Tower Hill Grade II 26 m
  8. 4 Dark Street Grade II 30 m
  9. 12 Dark Street Grade II 30 m
  10. Former Temperance Hall Grade II 32 m