Turnkey Contractors

A London Construction Company You Can Trust.

• Trusted, Accredited and qualified builders in London. 

• Specialising In New Builds, Extensions, Loft Conversions, Renovations, HMO Conversions.

• Providing you with you dream home. 

Turnkey: "Involving The Provision Of A Complete Product Or Service That Is Ready For Immediate Use"

Providing our clients with professional construction services in London regardless of their specific needs or requirements.

Why choose Turnkey Building Contractors?

• All works are carried out by our in house team so we can make sure the quality of construction and finish is the highest possible standard.

• Bespoke design and build service.

• 10 year guarantees on all work.

• Fixed prices and fixed deadlines.

• Fully accredited and certified construction company in London.

• New builds, House Extensions, Loft Conversions, Refurbishments, Kitchen Renovations, Bathroom Renovations and HMO Conversions.


Construction Company In London.

Here at Turnkey Building Contractors, we not only offer our customers construction services of the highest quality and reliability standards, but we also ensure that our customers feel completely at home and comfortable when working with us. 


When working with us, there is no need for any additional contractors or alternative consultants. We take care of everything you need in order to remove any unwanted and unnecessary stress and struggle from the process of design and build for your house extension, loft conversion, new build, renovation or HMO conversion.

We want to ensure that you are entirely satisfied with the services we provide every time, and therefore we only employ workers of the highest quality and with the highest level of professionalism. This allows us to guarantee that you receive your construction services to your exact requirements, on time and on budget. 


Turnkey Contractors, House Extensions In London.

Finding a reputable company to carry your home extension in London can we a daunting task. Here at Turnkey Building Contractors, we make that process simplified by offering our clients a full design and build contractor service. Taking the hard work out of your house extension build, meaning you get the time to do what it is you enjoy doing the most.


Whether you would like a rear house extension in North London, A side house extension in east London, A two-storey house extension in West London or a wrap-around house extension in South London, we can hold your hand through the entire process. From initial meetings to having the plans drawn up, submitted to the council and approved. To then initiating the building control, making sure party wall agreements are in place and finally building out your dream new house extension. 

Need extra piece of mind? Don’t forget all of
our builds come with a 10-year guarantee with us issuing all certification and paperwork
on completion.

Interested in getting your new house extension
in London built by us? Then contact us today for a free no obligation quote on
0203 689 5987 today and speak to one of the team about your new dream space. 


The team at Turnkey Contractors gave us the best possible service we could ask for on our rear and side extension. They designed and built a lovey addition to our home with the finish being perfect for us. Well recommended construction company that satisfied all of our needs.

Loft Conversions In London.

At Turnkey Building Contractors we have carried out numerous design and build loft conversions in London. We have a passion of turning a once unused space into a habitable living area for the family to use. Adding that extra space is very cost-efficient way to increase the size of your home while also adding great value to your property which is normally around 20%.

We know there any many types and builds of loft conversions in London, whether it be a standard loft conversion, dormer loft conversion, hip to gable loft conversion, L-shape loft conversion or a mansard loft conversion in London. The team at Turnkey Contractors can carry them all out with ease adding bathrooms, Juliette balconies plus much more and normally complete a loft conversion in London within a few weeks.

It is our priority to make sure all loft conversions in London carried out are the least disturbing for you and your family and most of our clients will still live in the house while these works are being carried out making it one of the easiest things to do to add space without making you feel uncomfortable in your home.

For more information about loft conversions in London please speak to a member of the team today on 0203 689 5987 who will be happy to assist you in making the next moves to get that old unused or cluttered space into a new fantastic loft conversion in London great for anyone in the family to use. 

Really happy with the service provided by all staff. 
We had a loft conversion built by Turnkey Building Contractors and they went above and beyond to make sure everything was perfect for me and my family while we was still living at the property.

Design And Build Contractors In London.

At Turnkey Contractors London we believe in making your life easier, so
you get to spend more time with your family and loved ones. Offering a full end to end design and build contractor in London service we can take care of everything from the initial planning and capturing your ideas to working
together on a spec suited to your budget.

Keeping everything in house from the beginning can make things less confusing for you then having to choose individual architects, surveyors, builders and so on. At Turnkey Contractors we have our reputable team already in place ready for your next design and build contractor in London
service ready. 

Get in contact with our team today on 0203 689 5987 about your next project and let us take the hassle away from you and give back the time you deserve. 

Turnkey Contractors worked on one of my projects where I did the drawings and structural calculations. The outcome of the job was excellent. They followed all the aspects of the building regulations. The building control officer had approved every stage of the project. I will recommend them to my future customers. Thanks for your great service.