Capel Jerusalem with former domestic accommodation to rear is a Grade II listed building in the Gwynedd local planning authority area, Wales. First listed on 28 May 1999. Chapel.

Capel Jerusalem with former domestic accommodation to rear

WRENN ID
heavy-gutter-sedge
Grade
II
Local Planning Authority
Gwynedd
Constituency
Dwyfor Meirionnydd MP: Liz Saville Roberts (PC)
Country
Wales
Date first listed
28 May 1999
Type
Chapel
Address
Capel Jerusalem with former domestic accommodation to rear, Pentre-Castell, Caernarfon, Llanberis
OS grid reference
SH 585 596
Coordinates
53.11521, -4.11418
Source
Cadw listing

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

Description

This is a chapel with former domestic accommodation attached to the rear. It was built in 1832, evidenced by a datestone. The chapel is in a simplified Classical style and has a rectangular plan with a lower block of domestic accommodation forming a back-to-back arrangement attached to the rear gable end. The front of the chapel is constructed of rendered rubblestone, with 20th-century pebbledashing and plastered quoins. It has a slate roof. The front elevation features 10-paned sash windows with margin lights, set within round-headed pilastered surrounds with keyblocks. A shallow hip-roofed porch is centrally located, with three rectangular windows and a 6-panel door to the right return. Above the porch are paired round-headed openings with 12-paned sashes, mirroring the detailing of the lower windows and featuring a decorative wrought-iron cross on the gable. The side walls have 10-paned sash windows without the surrounds.

The domestic accommodation is divided into three original units. The north-east elevation of the left unit has four-paned sash windows on each floor, with a former doorway (now a window) on the ground floor, both with drips. The right unit includes a four-paned sash window to the first floor and an integral end stack to the right. A 20th-century lean-to has been added to the ground floor. The south-west elevation has four-paned sash windows on each floor, flanking a recessed, roughly central boarded door. A lower right window also has a drip, and an integral end stack is located in the roof slope to the left.

The interior is simple, with a flat plaster ceiling featuring a central rose and medallions. The "set fawr" is enclosed with turned balusters, housing the pulpit and reading desk. Above is a blind round-headed plaster arch with fluted Corinthian pilasters, floral decoration centrally in the tympanum, and an impost band of medallions. The inscription "Duw Cariad Yw" is positioned in the centre panel. The chapel has slightly raking box pews and console brackets and moulded architraves to the sash windows. The internal lobby has an encaustic tile floor. The rear domestic accommodation now comprises two adjoining cottages used as a vestry on the north-east side and a single cottage – now a builder's store – stretching the full length of the south-west side of the building.

Local climate

Capel Jerusalem with former domestic accommodation to rear sits in one of the wettest parts of the UK, with an average of 1,360 mm of rain a year. This makes it wetter than 96% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 95% of listed buildings.

It experiences an average of 40 freeze-thaw cycles a year, more than 78% of listed buildings. Of these, 22 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 2000
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  • 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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