Myrtle House is a Grade II listed building in the Pembrokeshire local planning authority area, Wales. First listed on 21 November 2000. House.
Myrtle House
- WRENN ID
- gilded-chapel-alder
- Grade
- II
- Local Planning Authority
- Pembrokeshire
- Constituency
- Mid and South Pembrokeshire MP: Henry Tufnell (Lab)
- Country
- Wales
- Date first listed
- 21 November 2000
- Type
- House
- Address
- Myrtle House, Ambleston, Haverfordwest
- OS grid reference
- SN 000 257
- Coordinates
- 51.89459, -4.90755
- Source
- Cadw listing
Description
Myrtle House is a two-storey house built from rubble stone, featuring a close-eaved slate roof and stone end stacks made of squared grey stone. The front has three windows, each with 12-pane hornless sashes that are adorned with rough stone voussoirs and cut stone keystones. The central door is a six-panel design with an overlight made up of seven small panes, and it has a similar head to the windows. The left end wall is windowless.
To the right, there is a lower service range that shows remnants of whitewash, topped with a close-eaved imitation slate roof and a large square roughcast right end stack, which has been raised with a narrower shaft in the 20th century. Each floor of this range features a small six-pane centre casement window, and there is a half-glazed door to the left, both of which have stone voussoirs. The end wall is also windowless, and there is an outshut at the rear. The building was not seen during the time of the resurvey.
Local climate
Myrtle House sits in a wetter-than-average part of the UK, with an average of 1,080 mm of rain a year. This makes it wetter than 86% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 94% of listed buildings.
It experiences an average of 8 freeze-thaw cycles a year, fewer than 93% of listed buildings. Of these, 3 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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- No EPC on record for this property
- No sale records on file
- 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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