27 Mostyn Street is a Grade II listed building in the Conwy local planning authority area, Wales. First listed on 16 March 1976. Shops.

27 Mostyn Street

WRENN ID
quartered-nave-auburn
Grade
II
Local Planning Authority
Conwy
Constituency
Bangor Aberconwy MP: Claire Hughes (Lab)
Country
Wales
Date first listed
16 March 1976
Type
Shops
Address
27 Mostyn Street, Llandudno, LL30 2NL
OS grid reference
SH 784 822
Coordinates
53.32285, -3.82587
Source
Cadw listing

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

Description

27 Mostyn Street is part of a row of two shops with accommodation above, located in Llandudno. The building dates from the late 19th century to early 20th century and features three storeys and an attic, with a stucco finish. The front elevation consists of two windows. It has a slate gabled roof and an eaves cornice. Each shop has two segmental-headed dormers with sash glazing. On the upper floors, there is a three-light segmental-headed window with sash glazing on the left and a single-light segmental-headed window on the right. On the first floor, the left side features a semi-circular five-light bay window, while the right side has paired sash windows with an architrave and cornice. Additionally, there is a cast-iron veranda dating from the late 19th century to early 20th century. The upper floors of Nos 25 and 27 are identical.

Local climate

27 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

Sign in or create a free account to unlock:

  • 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
Create free account

Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

Similar buildings

The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.

Nearby listed buildings

  1. 25 Mostyn Street Grade II 6 m
  2. 29 Mostyn Street Grade II 8 m
  3. 31 Mostyn Street Grade II 15 m
  4. 23 Mostyn Street Grade II 17 m
  5. 33 Mostyn Street Grade II 21 m
  6. 21 Mostyn Street Grade II 26 m
  7. 6 Bodafon Street Grade II 29 m
  8. 5 Bodafon Street Grade II 31 m
  9. Nos.19 & 19A Grade II 33 m
  10. 4 Bodafon Street Grade II 35 m