House Extensions
House Extensions, Loft Conversions, Garage Conversion London
We are London Builders provide complete house extension and conversion building services from design to completion. Whether you are planning a single story house extension, double story house extension, garage extension, additional lounge, loft conversion or dining, kitchen renovations, our builders can help.
Why Choose First Builders, House Extension Service?
We have all the necessary skills and experience required to handle your project from start to finish. From just one call we will coordinate the whole project and provide all Services you need.
All the services you need to build your house extension under one roof
Our London Builders, Bricklayers, plumbers, carpenters, electricians, Plasterer, Tilers, Painters and decorators all working under one roof and will provide you with a complete turnkey project.
- Free Planning and Building Regulations Help
- Fully inclusive fixed price
- Written quotation and quick start
- Complete service and work guarantee
- Guaranteed start dates and realistic completion date
We are happy to discuss your ideas for your new Garage Extension, Loft conversion, rear House Extension, Single story extension or double story Extension and advise on your full planning application, in some cases you do not need to apply for that depends on the size of your new house extension and your current property.
Where it possible we can also advise on good solutions to ensure that your plans can be approved by Planning Authority in your London local Council.
We can also help on all aspects of building your house extension including design, Building control, Partly wall agreement and latest Building regulations.
Qualified Servicemen
We have years experience in undertaking all type of carpentry works, building works, heating and plumbing works in London. Our London plumbers, carpenters, electricians and decorators all working under one roof and will provide you with a complete turnkey project and are registered with their relevant safety bodies.




Site Management
Every job will have a polite and helpful site manager supervising the works progress and every job will also benefit from the daily oversight of the management team.
How much does it cost?
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