Drainage & waste

Chartered Building Company trading since 1924, specialising in historic refurbishment, new builds, and minor works with over 60 craftsmen and its own joinery workshop.

Team of builders specialising in pool builds and design for fifteen years, also offering concreting, extensions, and drainage works in St Martin.

Drainage service with over 30 years local experience, offering contractual maintenance, drain clearing, pipe inspection, pipe lining, and surveys, with all work fully guaranteed.

Facilities management and building services provider trading for over 50 years, employing over 400 staff and serving over 500 clients.

Multi-disciplinary outdoor projects organisation providing tree surgery, landscape gardening, groundworks, drainage, and fencing since 1991.

Landscape design and build company, specialising in horticulture and garden maintenance, including hedge cutting, strimming, mulching, mowing, and ground clearance.

GBTEA member providing garden design, landscaping, and maintenance, including patios, fencing, and stonemasonry in St Andrew.

Guernsey-owned building company specialising in residential new builds and renovations, and a registered installer of an Insulated External System with a 25-year guarantee.

Provider of civil engineering, marine construction, and geotechnical services throughout the Channel Islands, established in 1998 in the Vale.

Landscaping firm established in 2010, specialising in crafting bespoke outdoor spaces, including patios, driveways, fencing, and planting schemes in Vale.

Family business in the Vale providing CITB Trained & Certified plant hire and haulage contracting for domestic and commercial clients.

Civil and structural engineering organisation.

Drainage solutions provider with over a decade of expertise, offering unblocking, CCTV surveys, and no-dig repairs for residential and commercial clients in St Peter Port.

Civil engineering contractor specialising in reinforced concrete works for civil engineering, concrete frame, commercial, and private sectors.

Company established in 2015, offering resurfacing services for domestic and commercial sectors, including patch repairs, complete resurfacing, new construction, and drainage in the Vale.

Professional firm offering plumbing and heating services, including bathroom installations, boiler services, and renewable energy solutions in Vale.

Supplier of building materials, fixings, fastenings, and electricals, also designing and manufacturing concrete floor beams and pre-stressed concrete joists in the Vale.

Commercial building services provider.

Family-run business providing a complete range of carpentry and construction services, including bespoke joinery, full builds, and home improvements in Vale.

Confined space certified and fully insured drainage services firm, run by George De Carteret with 30 years of experience in St Sampson.

GBTEA member with over 16 years of experience in residential and commercial building projects, managing the entire process from groundworks to decorating.

Gas Safe registered and City & Guilds qualified plumbing and heating engineer, also trading as David G Cluett & Son Heating Engineers, in St Martin.

Plumbing and bathroom renovation company offering emergency repairs, heating systems, boiler installations, and full bathroom transformations in St Peter Port.

Construction company offering building services from large-scale projects to everyday maintenance, including basement builds, structural alterations, and full fit-outs in St Peter Port.

Government department on Alderney providing general maintenance and contracting services, including electrical support, civil engineering, and waste and recycling.

Residential builder in St Saviour and a member of GBTEA.

Plumbing and heating service that also provides leadwork, renewable energy installation, and solar panel installation, and is a member of the GBTEA.

Builder providing new builds, extensions, renovations, barn conversions, drainage, groundwork, and site excavation services across the island.

Plumbing and heating engineering firm offering a 24/7 emergency service and received the 2025 Norman Piette Customer Service Award.

Outdoor services firm specialising in hardscaping, including fencing, garden beds, planters, and retaining walls, in St Peter Port.

Provider of fencing and tree surgery services in St Saviour.

Building firm with over 35 years of expertise in extensions, renovations, and house rebuilds, handling all trades in-house.

Plumbing and heating company for domestic and commercial clients, Bpec and Oftec registered, specialising in oil boiler changes, heat pumps, and solar panels.

Drainage service in St Sampson with five years of experience, offering CCTV surveys, clearing and descaling, drain lining, and high-pressure water jetting.

Groundworks specialist with over 18 years of experience in block paving, crazy paving, driveways, patios, and drain installations.

Business specialising in drain laying and re-instatement.

Plumbing and heating engineer.

Service providing driveways, paving, and surfacing.

Sole trader specialising in new plumbing fittings, lead roof work, and burst pipes in the Forest.

Plant hire service.