4 Bangor Street is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 3 May 2002. Terrace of shops with dwellings.
4 Bangor Street
- WRENN ID
- former-beam-thyme
- Grade
- II
- Local Planning Authority
- Gwynedd
- Constituency
- Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
- Country
- Wales
- Date first listed
- 3 May 2002
- Type
- Terrace of shops with dwellings
- Address
- 4 Bangor Street, Caernarfon
- OS grid reference
- SH 479 628
- Coordinates
- 53.14098, -4.27391
- Source
- Cadw listing
Description
A terrace of 3½-storey 2-bay shops with dwellings above in a vigorous enriched classical style. The building has a roughcast front, mansard slate roof hipped to the right, and roughcast stacks.
The lower-storey shop fronts have been altered, though the fluted consoles to the fascia with dentil cornice from the original 19th-century shop front are retained. A 20th-century replacement shop front is now in place. The upper storeys form a single coherent design.
The middle and upper storeys are distinguished by double-height fluted and wreathed Ionic pilasters framing each property, with a deep dentilled cornice and short Tuscan pilasters to the attic. Between Numbers 4 and 6, an original cast iron anthemion finial is retained.
Number 4 and Number 6 have a pair of 4-pane horned sash windows in moulded architraves above the capitals of Tuscan pilasters in the middle storey. Number 6 also features an iron sign bracket between the middle-storey windows. Number 2, at the right end, has a tripartite window in a segmental-headed architrave with moulding above the crocket capitals of pilasters and a foliage-enriched keystone; colonnettes have similar capitals. The central round-headed light has been replaced, but the outer segmental-headed windows retain their 4-pane sashes. Above the middle-storey windows is a blank inscription band forming a plain architrave.
In the upper storey, each property has 2 segmental-headed 4-pane sash windows in architraves moulded above Tuscan pilaster capitals. The attic storey features half dormers: Number 2 has a pair of replaced windows in segmental-headed keyed architraves beneath a single open segmental pediment on moulded corbels; Number 4 has a 4-pane sash window in a segmental-headed keyed architrave to a gabled half dormer; Number 6 has a round-headed 4-pane sash window under a moulded head with keystone, set in a round-headed half dormer.
The right corner is rounded and rebated between Ionic pilasters, with 'Rhydalun House' in raised letters at attic level. The right-hand side wall facing North Penrallt has a single bay similar to the front of Number 2, including attic dormer, except the middle-storey window has no colonnettes.
Further right is a plainer 3½-storey wing of 4 unequal bays with a roughcast front, broad bands between storeys, a deep bracketed eaves cornice below the attic, and a slate mansard roof. The lower storey has segmental-headed keyed architraves to 4-pane horned sash windows. A replaced door occupies the bay right of centre; the narrow right-hand bay has a boarded passage door. The middle and upper storeys have segmental-headed moulded architraves with keystones to 4-pane horned sash windows, with a similar 2-pane window in the narrow end bay, its lower sash boarded up. The attic contains a central 4-pane round-headed half dormer. Similar half dormers that were equally placed right and left have been removed and replaced by skylights. The right-hand bay has a small attic window.
Local climate
4 Bangor Street sits in one of the wettest parts of the UK, with an average of 1,370 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 98% of listed buildings.
It experiences an average of 20 freeze-thaw cycles a year, fewer than 78% of listed buildings. Of these, 9 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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