Garage Conversion Specialists in Birmingham (29)
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Services & skills
BuilderExtensions / ConversionsFoundationsNew BuildsBrick / Concrete Structural RepairsServices & skills
BuilderExtensions / ConversionsRefurbishmentsSteel Work DesignDemolitionServices & skills
BuilderExtensions / ConversionsLoft ConversionsStructural SteelsDemolitionServices & skills
BuilderExtensions / ConversionsLoft ConversionsGarden StudiosGarage Conversions- J
Services & skills
BuilderExtensions / ConversionsBasement / Cellar ConversionsFire and Flood RenovationNew Builds Services & skills
BuilderExtensions / ConversionsFoundationsConcrete GaragesRefurbishmentsServices & skills
BuilderExtensions / ConversionsGeneral BuildingPartition WallsSuspended CeilingsServices & skills
BuilderExtensions / ConversionsGeneral BuildingRepair and Listed Building SpecialistPartition WallsServices & skills
BuilderExtensions / ConversionsBrick / Concrete Structural RepairsFoundationsConcretingServices & skills
BuilderExtensions / ConversionsSuspended CeilingsRefurbishmentsInsurance Claim SpecialistServices & skills
BuilderExtensions / ConversionsCar PortsCore DrillingNew BuildsServices & skills
BuilderExtensions / ConversionsBrick / Concrete Structural RepairsBasement / Cellar ConversionsSustainable Construction
Conversion and extension builders in Birmingham
Planning a loft conversion, garage makeover or full house extension in Birmingham? 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 Birmingham
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 Birmingham
Our checked tradespeople in Birmingham 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
Costs to expect
Costs of extensions and conversions vary depending on size, structure and spec, but here's a rough guide:
Single - storey extensions: £21,000 - £65,000
Double - storey extensions: £55,000 - £95,000
Loft conversions: £35,000 - £65,000
Garage conversions: £8,000 - £20,000
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 Birmingham: 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 Birmingham
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 Birmingham? Enter your postcode or post a job to find emergency services in your area.
Find the right extension or conversion specialist in Birmingham
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 Birmingham?
Find Checkatrade reviewed Tradespeople, get a quote today, discover related services in Birmingham and check out our latest home improvement guides.
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