House Extensions in Hammersmith

Planning a house extension? We know house extensions in Hammersmith might feel a little daunting, but you can relax. Red Box is a Which? Trusted Trader and a Trustmark registered local business. As a specialist local company, we help homeowners who, like you, have ambitious ideas about new space.

Our house extension specialists in Hammersmith create new, light and airy spaces in homes across the area – improving the quality of life for our local clients and their families.

As house extension builders with many years of experience, we can make every aspect of extension projects run smoothly and efficiently. All you need to think about is how you will use any new space once the work is complete. We can work with projects big and small, so whatever you are planning, contact us for an initial quote. If you are planning a home extension in Hammersmith, we can ensure you have all the information you need to make a great choice.

Other services in Hammersmith

Hammersmith Kitchen Renovation

Kitchen Renovation

Hammersmith Bathroom Renovation

Bathroom Renovations

Hammersmith Loft Conversion

Loft Conversions

Wandsworth Maintenance


Hammersmith Painters and Decorators Thumbnail

Painters and Decorators

Kitchen Extensions In Hammersmith

We have delivered numerous successful kitchen extensions in Hammersmith over the years. We understand the need many families have to create more space to cook, eat and entertain. The good news is we understand period properties, newer buildings, planning regulations and working in tight spaces too, so can respond positively to even the most ambitious of kitchen extension plans.

If you have a kitchen extension design in mind that you think might be problematic, contact us. We will set your mind at rest. Our local experience helps projects run like clockwork.

Over the years, we have become the kitchen extension builders Hammersmith homeowners have come to trust. On hearing your plans, we will come and measure your kitchen and provide a detailed quotation.

All our activities are conducted in an open, upfront and transparent manner. There are no surprises with Red Box team of professionals who pride themselves on delivering exactly what they promise.

Once work is approved and agreed upon, Red Box allocates a local project manager who can work with any architect and kitchen designer you have in place to put your plans into action.

Single Storey Extensions In Hammersmith

Single Storey Extensions Hammersmith

Red Box works with Hammersmith residents like you on a range of single storey extension projects. Whether we are tasked with simple single storey wrap around extensions, single storey rear extensions or something more complex, we enjoy helping families create more space to enjoy.

We can discuss single storey extension roof options too. How much does a single storey extension cost? We would be delighted to provide you with a quote.

Hammersmith homeowners typically ask us to decorate their completed extensions too. Red Box is a member of the Painters and Decorators Association, and also a Which? Trusted Trader and Trustmark registered.

You can find a South London extension case study here which, we trust, might provide you with some inspiration. Our project gallery contains examples of Red Box extension projects that might prove useful too.

Double Storey Extensions In Hammersmith

We have a proven track record of success in helping Hammersmith homeowners with ambitious double storey extension plans. Red Box understands such projects mean a lot to our clients, potentially requiring a considerable investment of both time and money. Creating wonderful new spaces is not easy, but double storey extension costs may be lower than you think. It is worth contacting us.

We are always delighted to talk to homeowners to get a feel for their plans at an early stage of any project. We can discuss double storey rear extensions, front extensions, side extensions and wrap-around options to give you an overview of your choices. As well as answering the question ‘how much does a double storey extension cost?’, we can share ‘before and after’ examples with you to help you imagine the future of your home.

When it comes to increasing space, Red Box is the specialist building company Hammersmith residents like you have turned to for many years.

Our local teams of professionals and tradespeople will help you turn dreams of extra space into a reality.

Double Storey Extensions In Hammersmith

Case Studies

Why Choose Red Box


We specialise in home improvements, extensions, kitchen fitting and bathrooms as well as the associated services of plumbing, electrical and full decoration work.

Our team work closely with architects and designers, either engaged by us or which you may have already engaged. We are happy to follow your design or work with you on a design to fit your budget and taste.

We’d love to hear from you!

For any questions please fill out the quick form on the right to drop us an email and we will be in touch.