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Decowell is a specialist practice with 25 years of experience with a full range of conservation of decorative surfaces, and consultancy services within historic interiors. Additionally, Decowell specialises in the condition assessment and restoration of easel and wall paintings, carried out in our studio by highly skilled practitioners.

Although based in Belfast, Northern Ireland, Decowell provides conservation and specialist decorative craft throughout the UK, Republic of Ireland and internationally. We have extensive experience across a wide range of projects, from major interventions such as the conservation cleaning and interior restoration at Belfast’s iconic Grand Opera House, prestigious retail environments such as Claridges in London, through to private houses and stately homes. Our frame and easel painting restoration service is valued by museums and private clients alike.

All projects start with a condition survey and consideration of suitable intervention processes, with architectural paint research where necessary. Our craft include all aspects of historic decoration including marbling, woodgraining, mural and fresco painting, oil and water gilding, and broken colour. Decowell also provides a colour consultancy service and design advice within historic buildings.

Additionally, in professional association with other specialist consultants, Decowell provides other historic environment consultancy services including conservation management planning, statements of significance, and heritage impact assessment, and collections care advice.


371 Woodstock Rd, Belfast BT6 8PU, UK Ruth Bothwell - (+44)7976929162 07976929162 [email protected]


ICON (Institute of Conservation)
ICRI (Institute of Conservators and Restorers Ireland)
IHBC (Institute of Historic Building Conservation)
NHIG (National Heritage Ironwork Group)
SPAB (Society for the Protection of Ancient Buildings)
IGS (Irish Georgian Society)


Specialists in conservation and restoration of the painted and gilded surface of historical interiors and exteriors. Works include gilding, marbling, fresco painting, stencilling and trompe l'oeil etc.

Previous Work

Grand Opera House, Belfast

Full conservation cleaning and restoration of all decorative detailing within auditorium of Matcham's nationally significant Grand Opera House, including the cleaning and retouching of oil on canvas ceiling and proscenium paintings.

Dundarave House

Conservation cleaning and restoration of significant and remarkably complete original interiors at Dundarave House, which was built to designs by Charles Lanyon in the 1840s. Work has been carried out in nine phases over a number of years and has most recently included restoration of Lanyon's original scheme within the Grand Hall.

Hillsborough Castle

Decowell was appointed by Historic Royal Palaces to undertake the re-gilding of architectural elements within the Castle's principal rooms. Decowell also re-gilded garden gates on the estate, as well as the clock face and weather vane which adorns the Market House, outside the Castle.

Armagh Teapot

This iconic golden Victorian teapot hung outside the former CB Cafe on Scotch Street in Armagh, and dated back to 1870. After falling into severe disrepair, it was donated to Armagh Museum and following repair by Gerard Loughran (blacksmith) and re-gilding by Decowell in workshop forum at Armagh Museum, the Teapot is now proudly on display.


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Case Studies
Hilden National School Hilden View Project
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