Eight firms — only Thomson Insulation (Castel) trades under the name. The other seven reach it through two adjacent trades — five plasterers and renderers fitting external wall insulation systems, and two roofers via loft and warm-roof overlays. P3 Facades fits Caparol, Wetherby, Alsecco and Fassa systems for Guernsey Housing Association. —
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St Peter Port·Organization·Est. 2011
GBTEA member established in 2011, specialising in external wall insulation, rendering, cladding, and interior finishing for commercial and domestic projects.
St Saviour·Service·Est. 2010
Sole trader roofing specialist established in 2010, with expertise in flat roofing systems and exterior property maintenance.
St Peter Port·Service
St Peter Port construction company specialising in external wall insulation, rendering, and property maintenance.
Vale·Service
Vale-based roofing and UPVC contractor with over 20 years of experience, serving private and commercial clients.
St Peter Port·Service
Wetherby Approved Specialist offering plastering, external and internal insulation, and rendering services as a sole trader in St Peter Port.
St Sampson·Service
Plastering and rendering contractor with over 20 years' experience, specialising in external wall insulation and artex removal for domestic and commercial clients.
—·Service
Sole-trader contractor specialising in interior painting, plastering, and tiling, also offering external insulation and limework services.
Castel·Service
Castel-based contractor specialising in insulation, pitched and flat roofing, and UPVC fascia, soffit, and guttering installation for commercial and residential clients.