17 Llanfair Road is a Grade II listed building in the Powys local planning authority area, Wales. First listed on 9 May 1988. House. 2 related planning applications.

17 Llanfair Road

WRENN ID
salt-grate-swallow
Grade
II
Local Planning Authority
Powys
Constituency
Montgomeryshire and Glyndwr MP: Steve Witherden (Lab)
Country
Wales
Date first listed
9 May 1988
Type
House
Address
17 Llanfair Road, Newtown and Llanllwchaiarn, SY16 2DQ
OS grid reference
SO 108 920
Coordinates
52.51884, -3.3147
Source
Cadw listing

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

Description

This is a three-storey and cellar, Flemish bond brick terrace forming part of a group at 15-19 Llanfair Road, Newtown. Numbers 15 and 16 were originally built back to back. The building has a gently pitched slate roof with a saw-toothed eaves cornice and deep rectangular brick stacks, though the stack has been removed from number 15. The windows are original, featuring shallow upper sashes with 12 panes on the second floor and 16 panes on the first and ground floors. The windows have gauged brick voussoirs, plain reveals, and stone sills. Modern windows have been inserted into the gable end of number 15. The original doorcases have leaded dripboards supported by brackets, and the original six-panel doors remain at numbers 15, 16, and 17, with the centre panel of number 17 being glazed. A series of slates are nailed over the dripboard of number 17. The rear elevations have been extensively modernised at numbers 15 and 16, whilst tall, small staircase windows survive at numbers 17 and 19, being partly blocked at number 18. The rear elevation of number 19 is well preserved, featuring gauged brick voussoirs.

Local climate

17 Llanfair Road sits in a wetter-than-average part of the UK, with an average of 1,010 mm of rain a year. This makes it wetter than 81% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 73% of listed buildings.

It experiences an average of 47 freeze-thaw cycles a year, more than 88% of listed buildings. Of these, 27 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 — 3 transactions since 2006
  • Related listed building consents — 2 applications
  • 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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