Extension Builders in GU31 (105)
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Services & skills
BuilderExtensions / ConversionsBasement / Cellar ConversionsNew BuildsPeriod Property RestorationServices & skills
BuilderExtensions / ConversionsFire and Flood RenovationBrick / Concrete Structural RepairsLoft ConversionsServices & skills
BuilderExtensions / ConversionsCar PortsLoft ConversionsPartition WallsServices & skills
BuilderExtensions / ConversionsDemolitionLoft ConversionsBasement / Cellar ConversionsServices & skills
BuilderExtensions / ConversionsCar PortsAgricultural BuildingBrick / Concrete Structural RepairsServices & skills
BuilderExtensions / ConversionsCladdingRefurbishmentsWorkshop Design / Construction- T
Services & skills
BuilderExtensions / ConversionsBasement / Cellar ConversionsCladdingGeneral Building - P
Services & skills
BuilderExtensions / ConversionsCore DrillingTree HousesFire and Flood Renovation Services & skills
BuilderExtensions / ConversionsBrick / Concrete Structural RepairsGeneral BuildingPartition WallsServices & skills
BuilderExtensions / ConversionsCar PortsConcretingWorkshop Design / ConstructionServices & skills
BuilderExtensions / ConversionsLoft ConversionsAgricultural BuildingStructural DesignServices & skills
BuilderExtensions / ConversionsLoft ConversionsBasement / Cellar ConversionsRefurbishments
Conversion and extension builders in GU31
Planning a loft conversion, garage makeover or full house extension in GU31? You’re in the right place. Whether you’re adding space for a growing family, upgrading your layout or increasing your home’s value, we can help you find the right tradesperson for the job.
Find extension and conversion builders in GU31
Every builder on Checkatrade passes up to 12 checks before they appear in your search. You can read verified reviews, compare services, and even post your job to get quotes straight to your inbox, all in a few clicks. That’s how we help homeowners like you get a job done right.
What to expect from hiring an extension or conversion builder in GU31
Our checked tradespeople in GU31 cover a wide range of projects, including:
Single or double-storey house extensions
Kitchen and diner extensions
Loft, attic, garage or basement conversions
Garden room extensions
Utility room extensions
Over-garage extensions and side returns
Extension and conversion build costs in GU31
Costs of extensions and conversions vary depending on size, structure and spec, but here's a rough guide:
Extensions:
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Loft conversions:
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Garage conversions:
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Conservatory roof conversions:
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Need help calculating costs? Use our Job Value Estimator Tool for a bespoke cost estimate.
What to check before you hire:
- Are drawings or planning permissions needed?
- Are they familiar with building regs?
- Is the quote fixed or flexible?
- Does it cover materials and project management?
Most builders will include prep, construction, electrics, plumbing and final finishes in their quote, but always double-check. Timelines range from a few weeks for simple jobs to several months for bigger builds.
Extension and conversion builders in GU31: Homeowners vs renters
Homeowners:
You’re in charge of the project. That means hiring the builder, securing permissions, and paying for the work. You may need:
Planning permission (especially for double-storey builds or changes near boundaries)
Drawings from an architect or structural engineer
Building regs approval
If you’re not sure where to start, speak to a local builder or post your job to get help with the process.
Renters:
You’ll usually need your landlord’s approval to make any big changes. In most cases, your landlord will be the one arranging and paying for structural changes like loft conversions or extensions. That said, it’s worth flagging ideas if you think they’ll improve the property, especially if it means longer tenancies or fewer repairs.
Emergency extension or conversion help in GU31
Extensions and conversions are big projects, but sometimes, things go wrong and need sorting fast. Common urgent issues include:
Leaks in newly converted lofts
Structural cracks or shifting
Faulty electrics or plumbing in newly added rooms
Incomplete work by previous builders
Facing an emergency in GU31? Enter your postcode or post a job to find emergency services in your area.
Find the right extension or conversion specialist in GU31
Looking for a builder to help with:
- Rear house extensions
- Kitchen extensions
- Garage conversions
- Loft or attic conversions
- Garden room builds
- Basement or cellar conversions
- Conservatory roof upgrades
- Utility or porch extensions
Looking for more tradespeople in GU31?
Find Checkatrade reviewed Tradespeople, get a quote today, discover related services in GU31 and check out our latest home improvement guides.
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- Extension Builders in London
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- Extension Builders in Greater Manchester
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- Extension Builders in Wirral
- Extension Builders in Coventry
- Dishwasher Repair in Gu31
- Guardian Roof Installers in Gu31
- Agricultural Builders in Gu31
- Garden Shed Suppliers in Gu31
- Glass Replacement in Gu31
- Gravel Shingle Driveways in Gu31
- Green Roof Installers in Gu31
- It Project Management in Gu31
- Man And A Van in Gu31
- Metal Painting in Gu31
- Metal Roof Restoration in Gu31
- Oil Central Heating Engineers in Gu31
- Extension Builders in London
- Extension Builders in Birmingham
- Extension Builders in Newcastle Upon Tyne
- Extension Builders in Bristol
- Extension Builders in Leeds
- Extension Builders in Nottingham
- Extension Builders in Greater Manchester
- Extension Builders in Glasgow
- Extension Builders in Sheffield
- Extension Builders in Liverpool
- Extension Builders in Wirral
- Extension Builders in Coventry