129 Mostyn Street is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 16 March 1976. Shop. 3 related planning applications.

129 Mostyn Street

WRENN ID
buried-groin-evening
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
16 March 1976
Type
Shop
Address
129 Mostyn Street, Llandudno, LL30 2PE
OS grid reference
SH 780 825
Coordinates
53.32617, -3.83211
Source
Cadw listing

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

Description

Nos. 127-137 (odd numbers) Mostyn Street, Llandudno, form a group of commercial buildings of three storeys and an attic. The buildings have slate gabled roofs and are clad in cement render or pebbledash. The top floor windows have simple architraves, while the first floor windows are distinguished by Ionic pilasters and entablatures. Shops occupy the ground floor, some with verandas. Dormers are present, similar to those on No. 127. Casement windows with plain architraves are located on both the second and first floors. The ground floor features a plate-glass shop front, and at the right-hand end, a round-headed doorway with a plain fanlight and a door with a large, centrally-raised and fielded panel. A simple veranda is supported by modern posts.

Local climate

129 Mostyn Street sits in a wetter-than-average part of the UK, with an average of 1,100 mm of rain a year. This makes it wetter than 87% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 76% of listed buildings.

It experiences an average of 34 freeze-thaw cycles a year, fewer than 51% of listed buildings. Of these, 18 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 2023
  • Related listed building consents — 3 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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Nearby listed buildings

  1. 131 Mostyn Street Grade II 9 m
  2. 127 Mostyn Street Grade II 10 m
  3. 133 Mostyn Street Grade II 18 m
  4. 125 Mostyn Street, including verandah Grade II 22 m
  5. 135 Mostyn Street Grade II 27 m
  6. Baytree Hotel (part) Grade II 29 m
  7. 123 Mostyn Street Grade II 31 m
  8. Whitecourt Hotel, including forecourt wall Grade II 35 m
  9. 106 Mostyn Street Grade II 37 m
  10. 137 Mostyn Street Grade II 37 m