St Austell ยท South West England

Trusted Builders
in St Austell

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  • Extensions, loft conversions, kitchens, bathrooms, roofing, driveways & solar installation
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Local St Austell Experts
120+
St Austell Builders
4.6
Average Rating
480+
Projects Completed
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What Our St Austell Builders Do

All services โ†’
House Extensions

Single-storey, double-storey, rear and side extensions built to your design.

From ยฃ23,000 Find builders โ€บ
Loft Conversions

Velux, dormer, hip-to-gable and mansard loft conversions in St Austell.

From ยฃ27,500 Find specialists โ€บ
Kitchen Renovations

Full kitchen redesign, supply and fit by experienced St Austell kitchen fitters.

From ยฃ7,000 Find fitters โ€บ
Bathroom Renovations

Luxury and budget bathroom installations. Full project management available.

From ยฃ3,500 Find fitters โ€บ
Driveways

Block paving, resin, tarmac and concrete driveways with fast turnaround.

From ยฃ2,000 Find contractors โ€บ
Roofing

New roofs, repairs, flat roofing and emergency call-outs in St Austell.

From ยฃ2,500 Find roofers โ€บ
Solar Installation

Solar panels, battery storage and solar thermal systems installed by vetted St Austell specialists.

From ยฃ4,500 Find installers โ€บ
Plumbing

Emergency repairs, boiler replacements and full bathroom plumbing by CIPHE/APHC-verified plumbers in St Austell.

From ยฃ80 Find plumbers โ€บ
Electrical Work

Full rewires, consumer units and EV chargers installed by NICEIC/ECA-registered electricians in St Austell.

From ยฃ450 Find electricians โ€บ
Painting & Decorating

Interior and exterior painting, wallpapering and full-house repaints by PDA and Dulux Select-accredited decorators.

From ยฃ1,500 Find decorators โ€บ
Carpentry & Joinery

Internal doors, fitted wardrobes and staircases by BWF and Institute of Carpenters-qualified joiners in St Austell.

From ยฃ450 Find carpenters โ€บ
Landscaping & Gardens

Fencing, patios and full garden design & build by BALI and APL-accredited landscapers across St Austell.

From ยฃ700 Find landscapers โ€บ
Garage Conversions

Single, double, integral or detached garage conversions in St Austell โ€” full building regs sign-off included.

From ยฃ7,600 Find specialists โ€บ
EV Charger Installation

OZEV-approved EV charger installers in St Austell โ€” 7kW, 22kW, tethered, untethered and PV-linked options.

From ยฃ665 Find installers โ€บ
Scaffolding Hire

Domestic, commercial & chimney scaffolding hire in St Austell โ€” erected, inspected and dismantled by CISRS-carded crews.

From ยฃ450 Find scaffolders โ€บ
Skip Hire

Mini, builders & RoRo skips delivered across St Austell โ€” permits arranged and licensed waste carriers.

From ยฃ130 Find skip hire โ€บ
Removal Companies

Home, office & long-distance removals in St Austell โ€” packing, storage and insured BAR-member movers.

From ยฃ350 Find removers โ€บ
Boiler Installation

Combi swaps, system boilers and full conversions in St Austell by Gas Safe registered engineers.

From ยฃ2,200 Find heating engineers โ€บ
Garage Doors

Up-and-over, insulated roller and automated electric garage doors fitted across St Austell.

From ยฃ800 Find installers โ€บ
Double Glazing

uPVC, aluminium and heritage double glazing in St Austell โ€” FENSA registered installers.

From ยฃ450 Find installers โ€บ
Soundproofing

Party walls, full rooms and floor/ceiling acoustic systems in St Austell, built to Part E.

From ยฃ900 Find specialists โ€บ
Air Conditioning

Split, multi-split and ducted air conditioning installed across St Austell by F-Gas registered engineers.

From ยฃ1,500 Find installers โ€บ
Architectural Services

Architects and architectural designers for extension plans, loft drawings and planning applications across St Austell.

From ยฃ1,200 Get quotes โ€บ
General Builder

Extensions, renovations, structural work and complete building projects with trusted St Austell builders.

From ยฃ150/day Get quotes โ€บ
Burglar Alarm Installation

NSI & SSAIB approved installers fitting bells-only, monitored and smart burglar alarms across St Austell.

From ยฃ500 Find installers โ€บ

Why Choose BestBuilders in St Austell?

St Austell is one of the UK's most active home renovation markets. With a diverse range of properties across the area, from period homes to modern new builds, local builders need to be versatile, skilled, and reliable.

BestBuilders vets every builder in our St Austell network. We check for public liability insurance, relevant trade qualifications (CIOB, FMB, Gas Safe, NICEIC), and a minimum of five verified customer reviews before any builder can appear on our platform.

Whether you are planning a rear extension, a loft conversion, or a full kitchen renovation in St Austell, we will connect you with the right specialist within 24 hours. All quotes are free and there is no obligation to proceed.

Start My Free Quote โ†’

Average Building Costs in St Austell

Internal door hanging £ 425 โ€“ £1,375
Full house rewire £ 3,200 โ€“ £7,400
Fencing (per 25m) £ 650 โ€“ £2,300
Whole-house interior repaint £ 1,400 โ€“ £3,200
Emergency repair £ 110 โ€“ £320
Solar Panel System £ 4,500 โ€“ £8,500
Fitted wardrobes £ 1,650 โ€“ £5,500
Consumer unit replacement £ 425 โ€“ £825
Patio installation (25mยฒ) £ 1,850 โ€“ £6,000
House exterior paint £ 1,650 โ€“ £4,150
New bathroom plumbing £ 1,100 โ€“ £3,200
Solar + Battery Storage £ 8,500 โ€“ £15,000
Staircase installation £ 1,650 โ€“ £5,050
Home EV charger install £ 725 โ€“ £1,650
Full garden design & install £ 2,800 โ€“ £11,000
Wallpapering per room £ 325 โ€“ £775
Boiler replacement £ 1,650 โ€“ £3,700
Solar Thermal System £ 3,500 โ€“ £6,500

Indicative prices for St Austell area. See full cost guides โ†’

St Austell Homeowners Trust BestBuilders

โ˜…โ˜…โ˜…โ˜…โ˜… 4.8 / 5
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Loft dormer en-suite in St Austell, South West. Bath plus separate shower in a small footprint by reconfiguring the door swing. Worked out at ยฃ11280 over 12 days. Insurance copy of the test certificate arrived without me having to chase. Tile grout still bright white after a winter of use.

Emma F.
St Austell
Bathroom Renovation
โ˜…โ˜…โ˜…โ˜…โ˜…

Re-felt and re-batten on our 1930s semi in St Austell. Old nails were corroding, all replaced with stainless ring-shank nails this time. Total ยฃ9080 over 8 working days. Extra ridge ventilation went in unprompted because they spotted condensation history.

Niamh K.
St Austell
Roofing
โ˜…โ˜…โ˜…โ˜…โ˜†

Tobermore charcoal block paving in St Austell - 76mยฒ covered. Subbase compacted in 50mm layers, no settlement after a winter of use. Came to ยฃ8205 across the working week. Photos at every stage, full record archived for the property file.

Phil E.
St Austell
Driveway

St Austell Builder FAQs

Builder day rates in St Austell typically range from ยฃ150 to ยฃ320 per day depending on the trade and project type. A single-storey extension typically costs ยฃ23,000 to ยฃ46,000 in St Austell. Get 3 free quotes to compare accurate prices for your specific project.
Many home extensions in St Austell fall under Permitted Development rights, meaning planning permission is not required. However, you will need to apply to the local planning authority if your property is listed, in a conservation area, or if the extension exceeds permitted development size limits. Our builders can advise during your free quote.
Through BestBuilders, you will typically receive your first quotes within 24 to 48 hours. Most St Austell builders in our network can begin projects within 2 to 8 weeks, depending on the time of year and project size. Summer is the busiest season so booking earlier is advisable.
Yes. Every builder in our St Austell network is vetted before joining. We verify public liability insurance (minimum ยฃ2m cover), trade qualifications, company registration and a minimum of 5 verified customer reviews. Builders with a sustained pattern of negative feedback are removed from the platform.
Autumn and winter are generally the best times to hire builders in St Austell as demand is lower and you may have more flexibility on price and start dates. Spring and summer are peak season with longer waiting times. That said, quality builders in St Austell stay busy year-round.

Plan Your Project in St Austell

Whether you're researching costs, checking planning rules, or comparing builders before you commit, our editorial team has produced these guides to help St Austell homeowners make informed decisions.

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