House Extensions

Whether it’s a new loft, extend your kitchen, build an external building, side return or opening two rooms into one, Red Box London have the necessary expertise to undertake your project. We work with architects, planners and structural engineers, as and when necessary, to ensure project integrity and best design alongside our expert builders.

We specialise in bespoke home repairs, extensions and building projects across South West London and surrounding areas. A home extension can help you make more of the space without moving home, if you’re looking to sell your home later on down the line, an extension can also increase the value of your property.

House Extensions

Do you need more space for your home, but don’t want to move? Then an extension may be the answer!

Planning a kitchen extension, side extension, loft conversion or structural change in your home can be daunting and confusing, but it need not be, Red Box London can help you at every stage of the project from planning, design, building and decorating to take the stress out of the process – allowing you to enjoy your newly improved home.

We have built house extensions in London for a range of different properties including rear house extensions, and front. The options for your extension for your London home are endless. Craving extra light? Go with a conservatory or build in large windows into the design – his will help you save money on energy from natural light too!

Our team can help from start to finish with your project, we can help plan the best use of the space, suggest products and design options, we will keep you informed every step of the way, we can even include decorating the finished project so all you have to do is enjoy your new space.

Based in Fulham, we work with clients throughout South West London and Surrey, including Fulham, Chelsea, Wandsworth, Clapham, Balham, Putney, Hammersmith, Barnes, Richmond, Kingston, Wimbledon, Central London. We also take on projects across other areas of London, contact us for details or visit our interactive project map to see where we’ve completed work.

There are a few options for kitchen extension including a side return extension, wrap around extension, rear and side extension which can be confusing, read on for explanations of each.

Rear Kitchen Extension

A rear extension is a simple add on to the end of the property, can usually give approximately another 5 metres to the home, many opt for large roof windows to let in natural light.

Rear extensions mostly have flat roofs, centre pitched roofs or a Monopitch roofs.

Side Return Extension

This is the most common type of extension in South West London. This involves extending the building by 1.25m to the side and finishing flush to the back of the main part of the property. The roof will then be typically flat or pitched.

Wrap around Kitchen Extension

A wrap around is essentially a combination of both of the above options, it extends to the side and back providing a huge amount of kitchen or living space.
Our team can talk you through the options if you’re undecided based on your property and needs.

Refurbished Kitchen Showing Sinks and Taps

Kitchen Extensions

Kitchen extensions in London are typically relatively cost effective and versatile, London house prices continue to increase making moving home, often not an option. When the planning regulations changed in London and made simpler, a lot more homeowners chose to extend their properties –a perfect solution to turn a small kitchen into a large modern kitchen extension.

Our expert home renovations teams can help you find out what permissions may be required in your area for kitchen extensions in London, and any restrictions and work around them to still get you that extra space you need.

There are different types of extensions for kitchens as listed above, so you’ll need to decide what you’re looking for, how big, we can also add the relevant electricity and plumbing if necessary.

Red Box have completed kitchen extensions to a high quality standard for home owners throughout South West London and beyond including rear kitchen extensions and side return extensions.

Kitchen extension prices vary from project to project, but our team can provide a free site visit and quotation to help plan and provide a quotation for your specific needs.
Whether you have already started work designing & planning your kitchen or starting from the beginning, we can help. We work with a network of architects and interior designers to help complete our projects to the highest standard and get our clients their dream kitchen!

Single Storey Extension

Planning a single storey extension for your home? Whether it be for a kitchen, dining room, living room or perhaps a play room, it’s a great way to improve your homes layout and increase your space and property value.

A single storey rear extension is most popular, as outlined above mostly used as a single story kitchen extension and are a great alternative to moving house when you want more room for your growing family. With so much choice and options from natural light options through roof lights and very popular bi-fold doors.

The cost of your single storey extension will depend on the size and scale of your project, type of property and if any ground preparations may be required.

Single story extensions are usually calculated based per square metre, the average size of single storey extension is 4mx5m costing around £30,000 – depending on adds on such as plumbing, electricity, painting/decorating, VAT, and any relevant fees or permits.

A kitchen renovation and extension can mean a lot of disruption to your home during the process. Once the design and kitchen is set, and your installation/renovation day has been scheduled we will continue to liaise with you about how you will be without your functioning kitchen – we’ll help advise you along the way to minimise disruption to your daily routine.

Double Storey Extension

New kitchen with lots of space in South West London

Is a single storey extension still not enough space for your growing family? Why not consider a double story extension, obviously this will be cost a lot more and be a bigger project – the end result will increase your space by a huge amount.

For terraced houses most two story extensions are created at the rear of the property – and are often used to extend the kitchen and add another bedroom on the second storey.

For a Semi-detached house, this can often include a two storey side return and gives you a lot more freedom usually with the permissions and size of your extension.

As with a single storey extension, you need consider your needs carefully before you start.

If the ground floor will be for the kitchen extension, do you need space for a utility room or storage? Will the second storey used for an extra bathroom, bedroom, office? The function of each room can determine the end price – based on its requirements – i.e electricity, plumbing, window options.

If you’re adding an extra bedroom, you may not necessarily need a second bathroom installation, you could make one large bedroom, or a bedroom and a play room, or perhaps a walk in closet. The options are endless.

Why Choose Redbox

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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.

Other services we provide

Kitchen Fitters London

Bathroom Renovations

Painters and Decorators

Loft Conversions London

Home Maintenance Service

Very Professional and Great Quality

"Red Box carried out a complete renovation and internal restructuring of my home, were hyper efficient, sympathetic to plan alterations, on time and on budget! I have nothing but praise for their work and would thoroughly recommend their work on others."

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