New House Hotel is a Grade II* listed building in the Cardiff local planning authority area, Wales. First listed on 10 June 1977. Office.

New House Hotel

WRENN ID
lone-thatch-hyssop
Grade
II*
Local Planning Authority
Cardiff
Constituency
Cardiff North MP: Anna McMorrin (Lab)
Country
Wales
Date first listed
10 June 1977
Type
Office
Address
New House Hotel, Thornhill, Rhiwbina
OS grid reference
ST 159 841
Coordinates
51.54981, -3.21286
Source
Cadw listing

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

Description

This is a medium-sized country house, built in the Classical style and later converted into a hotel. The house is two storeys high and has a scored, stone-coloured render with painted stone dressings and a stone plinth. It has Welsh slate roofs of a shallow pitch and narrow, rendered stacks. The design is symmetrical, featuring a central unit with two two-storey canted bays on either side of a narrow entrance bay, and two set-back side wings, each with a two-window range. A further set-back wing is located to the right.

Most windows are large 12-pane sashes with moulded architraves. The central wing, of three bays, has a separate, shallow Mansard roof, a deep cornice with a parapet, and first-floor windows surmounted by separate panels – rectangular on the side walls and pediments to the front. Balustraded or rectangular panels separate the storeys. A flight of nosed steps leads to the doorway, which features stuccoed Ionic pilasters and an entablature, a six-panelled wooden door and a rectangular overlight with rectangular tracery. A narrow sash window sits above the door, with a separate pediment.

The side wings have a wooden modillion cornice. The first floor has two sashes with architraves and heads at cornice level. Larger ground floor sashes each have an individual cornice on a console above. The set-back wing to the right, now fronted by a glazed conservatory, has a three-window range of sashes with architraves, one round arched, and an end bay projecting to the frontage line, featuring a long staircase window with a separate pediment.

A small central hallway has been formed by subdividing the original large hall which retains a ‘black and white’ polished stone floor. Many rooms retain original features including panelled shutters and reveals, fluted architraves, moulded cornices, ceiling roses and six-panelled doors. A room on the right has a bolection moulded, marbled surround to a brass and iron fireplace with an arched recess to the side. A panelled arch leads to the rear staircase which has an open string, moulded treads and stick balusters. The rear staircase window has intersecting tracery, patterned leading and a moulded surround with angle blocks incorporating a flower motif, plus folding shutters. A drawing room, now a dining room, on the right has a white marble fireplace and a billet cornice.

Local climate

New House Hotel sits in a wetter-than-average part of the UK, with an average of 1,080 mm of rain a year. This makes it wetter than 86% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 87% of listed buildings.

It experiences an average of 22 freeze-thaw cycles a year, fewer than 77% of listed buildings. Of these, 8 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
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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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