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Bespoke House Extensions in London

Expand your home without leaving it. Richway designs and builds house extensions across London that add space, light and lasting value. Book your free consultation today.
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Why London Homeowners Are Extending Instead of Moving

Moving to a larger home in London means stamp duty, solicitor fees, estate agent costs and the upheaval of leaving a neighbourhood you've chosen to live in. For many homeowners, a well-designed house extension in London makes far more practical sense. You gain the space you need in the home you already own, without the disruption and expense of uprooting your family.

At Richway, we have spent over three decades helping London homeowners do exactly that. From single-storey kitchen extensions on Victorian terraces to side extensions on Edwardian semis, we understand how London's varied housing stock behaves structurally and how to make every square metre count. As a Federation of Master Builders-certified and TrustMark-registered business, we deliver house extensions in London that are built to last and finished to a high standard.

Which Type of House Extension Is Right for Your Home?

London properties are rarely straightforward, and the right extension depends on your home's footprint, your plot, your budget and what you need the space to do.

Rear extension

A rear extension is a common choice for terraced and semi-detached homes. It extends the back of your property, typically creating a larger kitchen, open-plan living area or family room. Under permitted development rights, a single-storey rear extension can often be built without a full planning application, provided the project meets the relevant conditions and limitations.

Side return extension

A side return extension makes use of the narrow strip of land beside your property, a feature common in Victorian and Edwardian terraces. It fills in the L-shape of the original layout and can substantially increase your ground floor space.

Double-storey extension

A double-storey extension adds space across two floors, making it an effective way to increase your home's footprint. Depending on the design and location, it may require planning permission and can provide additional rooms alongside a larger ground floor.

Wraparound extension

A wraparound extension combines a rear and side return into a single continuous structure, delivering a significant increase in floor area and creating a more open and connected layout.

We assess your plot, your existing structure and the planning rules applicable in your borough before recommending an approach. If your property is in a conservation area or is a listed building, we can help you understand the relevant planning requirements before work begins.

Bespoke House Extensions in London

At Richway, no two extensions are the same. Some clients want a wide-open kitchen and dining space that spills into the garden. Others need a ground-floor bedroom for ageing parents, a dedicated workspace separated from the family, or a utility room that finally brings order to a cramped layout. Whatever your brief, we design around it rather than fitting you to a standard specification.

We also think about the details that are easy to overlook. How the new space connects to the original house. Where natural light enters and at what time of day. How the extension looks from the garden and the street. Which structural approach keeps disruption to your daily life to a minimum during the build. Getting those details right at the design stage is what separates an extension you enjoy living in from one that simply adds square footage.

How Richway Delivers Your House Extension

Free Consultation — A no-pressure conversation with our team to understand what you want and what your plot can accommodate, followed by a clear, itemised quotation.

Design & Planning — We develop your design, incorporating your feedback at every stage. Where planning permission is required, we manage the application process and liaise with your local authority.

Structural Engineering — We arrange detailed architectural and structural drawings and calculations, with the necessary information prepared and submitted to building control to support compliance with Building Regulations.

Construction — A dedicated project manager oversees your build from groundworks through to the final coat of paint, with regular site visits to maintain quality and keep the project on schedule.

Handover — We walk you through your completed space, resolve any snagging and hand over the relevant project documentation, including your 10-year guarantee and building control documentation where applicable.

Why Choose Richway for Your House Extension in London?

- Over 30 years of experience across London's diverse housing stock

- Federation of Master Builders-certified and TrustMark-registered business

- Planning and building control support throughout your project

- 10-year guarantee

- Bespoke design, with every extension planned around the homeowner's requirements

- Dedicated project manager on every build

- Electrical work carried out by NICEIC-approved contractors; gas work by Gas Safe-registered engineers

- Free consultations with no obligation to proceed

- Responsive communication throughout your project

Ready to make the most of the space you already own? Talk to Richway about your house extension in London today.

Know more about our rear extension services in Laughton and we can help you with your project. Speaking with us at Richway. Request a no-obligation free quote!

Frequently Asked Questions

Many single-storey rear extensions can be carried out under permitted development rights without a full planning application, provided the project meets the relevant conditions and limitations. Larger or more complex extensions, as well as works affecting certain conservation areas or listed buildings, may require planning permission. We assess your specific situation during your free consultation and can manage the required application process on your behalf.
House extensions must comply with the applicable Building Regulations requirements, regardless of whether planning permission is required. This can cover structural safety, fire safety, insulation, drainage, ventilation and other aspects of the construction. We manage the building control process as part of our service.
Costs vary significantly depending on the type of extension, the size, the level of structural work involved and the specification of finishes. Following a site visit and consultation, we provide a detailed quotation so you can see what is included before committing to the project.
A straightforward single-storey rear extension can take several weeks to complete on site, depending on its size, specification and ground conditions. Larger or more complex projects, including double-storey and wraparound extensions, will generally take longer. The full project timeline, including design, planning and approvals, extends beyond the on-site construction period.
A well-designed extension can add value to a property, although the exact uplift depends on factors such as location, property type, the size and quality of the addition and current market conditions. Extending your existing home can also allow you to create the space you need without the costs and disruption associated with moving to a larger property.
The rules governing how close an extension can be built to a boundary depend on factors such as the type of extension, its height and the planning route being used. Separate requirements may also apply where excavation or construction affects a neighbouring property or party structure. We can advise on the relevant considerations during your consultation.
Yes, and it is a combination that can make efficient use of your property's available space. Extending at ground level while converting the loft can significantly increase your overall floor area. Both projects can be designed and managed by Richway, helping to ensure the two schemes work together as part of a coordinated project.
Certain building works may fall within the Party Wall etc. Act 1996, including some work to party walls or structures and certain excavation works close to neighbouring buildings. Where the Act applies, the correct notices and procedures must be followed. We can flag potential Party Wall considerations during the design stage so you have time to obtain the appropriate advice before work begins.
A single-storey rear extension is often one of the more straightforward options, particularly where it can be delivered under permitted development rights, and the property is suitable. A side return extension can also offer good value where there is suitable space alongside the property. The most cost-effective option will depend on your property, requirements and overall specification.
The main cost factors can include groundworks, structural steelwork, roofing, insulation, glazing and the quality of internal finishes. Extensions requiring complex drainage diversions, underpinning or significant party wall works can cost more than simpler builds. Specialist electrical, gas, plumbing and carpentry work should be carried out by appropriately qualified tradespeople, and Richway works with contractors holding the relevant qualifications and registrations for their disciplines.

Don’t Take Our Word For it

See what our customers are saying
  • The Chowdhury’s, Chingford

    “Working with Richway, and in particular Tom was a pleasure. I was told that refurbishing ones house is even more stressful than the buying process, people were not wrong!  However, all of the problems and stress were alleviated  by Tom and his wonderful team. Honest, transparent and delivered work to an extremely high standard.  We are overjoyed with our extension and loft conversion and would like to thank Tom and his team for the sterling job they did  Highly recommended.” 

  • Tom & Katy Evans, Chingford

    "Anyone committing to major building works on their property should be aware that it will never run as smoothly as you hope it will, that is inevitable. What is in your control is who you choose to do it with, and I can't tell you how happy I am that we found Richway. Tom is a 'yes man', he never seemed phased by problems out of our control and I can put my hand on my heart and honestly say he went above and beyond for us. We will be forever grateful."

  • Mr & Mrs Griffiths, Epping

    “We are so pleased with our extension. Tom and the team went above and beyond to understand my vision and make it a reality. Everyone in the team showed a great attention to detail to get things perfect - nothing was too much trouble. We couldn’t be happier.”

Accredited

Recommended, respected and fully accredited loft conversion specialists.
Velux Specialist
Velux Specialist
Federation of Master Builders Certified
Federation of Master Builders Certified

We exclusively work with contractors who hold the following accreditations.

Gas Safe Registered
Gas Safe Registered
NICEIC Approved Contractor
NICEIC Approved Contractor
To Discuss Your Vision For Your Home, Contact Us Today For A No Obligation Quote.

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ABOUT RICHWAY
Richway is a dynamic property development company with over 30 years experience. Our aim is to deliver the most efficient service in our field from start to finish. We work with our clients to perform perfectionist work with ultimate detail, whilst the main emphasis is to deliver what you intend to happen.

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