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Whether you are looking for a commercial construction company or residential builder in Kensington, for new builds, expansions, house renovation, extensions or property refurbishment, Redline Building Services is an excellent choice. Why?

Choose Your Trusted Builders In Kensington, West London, Today

Firm foundations underpin the reliability of Redline Building Services:

  • Our company is based on a reliable bedrock of financial strength that accounts for its growth and reputation and good relations with everyone we work with.
  • We carefully select teams of experienced specialists to suit each and every project. We are well-established building company you can trust.
  • Our building and extension projects depend on rock solid foundations for safety, enduring strength and flawless finishes.
One of the most affluent residential areas of London, Kensington (W8) includes the Royal Albert Hall, the great museums and Peter Pan’s Kensington Gardens.
Kensington House Extension Builders - It's not just the house itself that needs a firm foundation, the house extension also needs to have a solid base to ensure against future problems.

Fully Qualified Local Builders

Our dedicated team of fully-qualified and experienced builders in Kensington are committed to the ideals of the company: to take professional pride in the work we do, satisfy the customer and respect the environment. Each team is led by a project manager, or site manager, depending on the size of the project, with whom clients can communicate whenever necessary. Our services are fully compliant with government regulations and local authority bye laws. We willingly work with architects and with Chartered Quantity Surveyors. We offer a free site visit and consultations for our clients so if you need help building your dream home or looking to have some other building works done, contact us here today.

Latest Technologies

We keep up-to-date with the latest technologies of our trade. New materials breed new ideas, enabling us to offer more imaginative solutions to old problems.

Attention To Detail

The hallmark of our work is the way we finish a project: the precision of that goes into every detail. It is not just the way a feature looks nor how beautifully it performs but how it endures within the rough and tumble of everyday usage. Our pride lies in the detail.
Helping create beautiful homes in Kensington - In the last 25 years, the kitchen has had tremendous technological change. From cooking hobs and ovens to lighting and water supplies. Elegant to look at, too.
Whether you are looking for a basement conversion, house extension, loft conversion or complete residential or commercial new build, we prepare detailed quotations and estimates. When our survey identifies an unreachable problem, even so, we always keep you informed.

Free Helpful Quotations

Our quotations are based on a thorough survey. They are competitive, comprehensive and clearly presented. Sometimes we are unable to reach problems that may be embedded beyond reach within the fabric of the building. When this happens, we suggest ideas of how to resolve the problem and provide an indication of the costs.

We have many years of experience and strive to keep our clients happy with our high standard of work!

For a free non obligation quotation or for all general enquiries for our building services in Kensington, please contact us by email in the first instance

Our Pledge To A Greener World

As your favourite Kensington Builders, we work in a clean and efficient way in order to keep noise, dust and waste in the environment to a minimum. This is not just for the benefit of our clients and their neighbours, but also to make our contribution to a greener world.

With any type of construction process, such as building a new house or even with a small home refurbishment, it’s always going to be dusty and create waste. Our process is simple, and we hold everyone on site accountable to ensure they they keep the job site clean and dispose of waste correctly.

Not all London builders are environmentally conscious, but as a business, it’s important for us to take these small steps and help save our planet.

Building contractors that care - Wherever possible, we use environmentally approved materials, dispose of rubbish responsibly and avoid dust and noise pollution.
High Quality Workmanship By Master Builders in Kensington - We have worked on many types of projects in Kensington and can help you design and build any new projects including, loft conversions, house extensions, house renovations and many more renovation projects.

Find Reliable Kensington Builders

When looking for a building contractor in Kensington, it’s important that you take time to make the right choice. From home extensions to commercial construction services, we have can help with any type of project; including:

– Loft conversion/ Basement Conversion
– House renovation/ Home improvement renovations
– House Extension
– Office Refurbishment / reconfiguring
– New Build, Construction
– Kitchen Extension

Redline Building Services are proud to provide our services to the people of the Kensington area and surrounding areas of West London. Why not get in contact with us today and join our number of happy clients.

We Satisfy the Residential and the Commercial Markets With High Quality Building Services.

Our services cover all aspects of building works from construction through to complete refurbishments.

New Builds

When planning a new build it’s important that you have a building contractor with a good reputation, qualifications and past work to ensure its completed to a high specification. We are proud to be able to deliver all these requirements whilst also going above and beyond to understand exactly what our clients need or want.


If you’ve out-grown your Kensington home, extending your living area through a loft or basement conversion can often be a better option than buying a new house. Apart from the emotional stress of moving, you can save more than you need by avoiding Stamp duty, tax and professional fees (surveyors, lawyers etc) particularly in London where typical fees, taxes and duty can easily exceed £100,000

House Extension

In order to gain extra space to your property in Kensington an extension could be an excellent choice. We take into account all considerations that are involved with the project to avoid any delays and other obstacles so that we complete your house extension on schedule and within budget.

Design & Build

As well as building new properties in Kensington, we can also provide a complete design for the project too. We have a diverse portfolio of high quality, design and build projects. What distinguishes us from our competitors, however, is quality – in craftsmanship, design, attitude, skills, cost control, regulatory compliance, ecological responsibility.


We can help undertake commercial new builds and bespoke business interiors in Kensington. Every project we undertake has its own project manager or site manager who has years of experience; the purpose to ensure control over quality, time and costs.

Office Fit-outs

Looking for a high quality finish for your working space? Our commercial builders can offer a complete commercial refurbishment & office fit out service to clients in Kensington. We can create beautiful, interiors for offices including high-specification bespoke reception areas and boardrooms of distinction reflecting the corporate stature of the company.

Tell us About Your Building Project in Kensington

If you’re looking for a cost-effective and professional building company for your residential or commercial property, then please get in touch to arrange a free consultation today. We can help you with many different services from new builds, office fit outs, renovation, home extension or loft conversions (and much more!).