House Extensions in Fulham


Thinking of a house extension? We know house extensions in Fulham might seem a challenge, but you can relax. Red Box is a Which? Trusted Trader and Trustmark registered business. We are a building company that specialises in helping homeowners who, like you, are planning a house extension.

Whatever changes you have planned, our house extension specialists in Fulham can create new, light and airy spaces in your home to improve life for you and your family.

Our experienced house extension builders make every aspect of our projects run like clockwork. All you need to consider is what your new space will look and feel like. Whatever scale of project you are planning, contact us. We are the experts in home extensions Fulham residents have come to count on.

Other services in Fulham

Fulham Kitchen Renovations

Kitchen Renovation

Fulham Painters and Decorators

Painters and Decorators

Fulham Loft Conversion

Loft Conversions

Wandsworth Home Maintenance


Fulham Bathroom Renovations

Bathroom Renovations

Kitchen Extensions In Fulham

Our experience of kitchen extension in Fulham means we can respond to even the most ambitious of plans. Who doesn’t want more space to cook, eat and entertain? We are equally at home with period properties and newer buildings. We are used to complying with challenging planning regulations and working around tight space constraints.

Red Box’s local experience helps everything run smoothly whatever the challenges. So if you have a kitchen extension design in mind that you think might be problematic, contact us. We will set your mind at rest.

We are the kitchen extension builders Fulham residents like you have come to trust. This is because we start every project with a site visit before any detailed quotation and estimate.

We pride ourselves on being open, upfront and transparent. There are no surprises when you share your kitchen extension plans with Red Box’s team of professionals.

Once work is approved and agreed upon, we can start working with your architect and kitchen designer, should you have them, to put your plans into action.

Single Storey Extensions In Fulham

Single Storey Extensions In Fulham

Red Box helps Fulham residents like you make their single storey extension plans a reality. Whether you are looking for a single storey wrap around extension, a simple single storey rear extension, we can help you find additional room space or open up your kitchen.

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

Fulham residents also often ask us to decorate their completed extensions. 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.

Red Box knows how important your extension is to you and, once instructed, you’ll be assigned a local experienced project manager who will keep everything running smoothly each step of the way.

Double Storey Extensions In Fulham

Fulham residents have, over the years, come to us with ambitious double storey extension plans. Red Box believes such projects should all run smoothly and has a long list of satisfied customers who agree. Double storey extension costs are maybe lower than you might expect too, so it is worth contacting us for a quote.

If you are not sure what you require yet, don’t worry. We would still be delighted to talk you through your options. Double storey rear extension? Front extension? Double storey side extension? Wrap-around options? We have double storey extension ‘before and after’ examples we can share too. We will help you picture the future of your home.

If you are looking to increase the space in your home, Red Box is the building firm many Fulham residents like you have trusted to deliver ambitious extensions. We are ideally placed to turn dreams of extra space into reality.

Once any work is agreed upon, you’ll be assigned a local experienced project manager who will keep everything running smoothly each step of the way.

Double Storey Extensions In Fulham

Case Studies

Areas We Serve

We cover all postcodes in and around the Fulham area.

  • SW10
  • SW15
  • SW5

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.