Unit 23, Battersea Business Centre
99-109 Lavender Hill
London SW11 5QL
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    Kitchen Side Return Extensions in London

    Kitchen side return extensions are one of the most effective ways to transform how a London home works. In many Victorian and Edwardian properties, kitchens are located in narrow rear rooms with limited light and poor connection to the rest of the house.

    At Armstrong Simmonds Architects, we design kitchen side return extensions that improve light, flow and day-to-day usability. Whether the aim is to create an open-plan kitchen and dining space or create a more clearly defined space for the kitchen itself, we take a considered architectural approach from concept through to construction.

    Kitchen Side Return Extensions in London

    Looking for Experienced Architects in London

    Aside from providing you with a beautiful design, your architect needs to navigate complex
    planning and building laws that regulate the construction industry. Therefore, appointing a
    practice with the right amount of experience is the key to a smooth project delivery. Although
    not essential, appointing a RIBA chartered practice is also an important factor to consider.
    Being RIBA Chartered means that the practice must adhere to a code of conduct of
    professionalism and ethics which ensure quality control within the Architectural industry. The
    experience of the practice within London is another important factor to consider, particularly,
    as each borough has different modes of operation which can influence the design process.

    Whilst the National Planning Policy Framework (NPPF) provides the backbone for planning
    policy, each individual borough will have its own set of policy and guidance. A particular
    challenge within the borough of London is the planning process for basement design. For
    such a complex undertaking, stringent planning requirements must be met in the form of
    traffic reports, geology surveys and more. Another challenge is the added complexity of
    working with historic buildings. If your building is within a conservation area, a designated
    building of interest, or a listed building, any work to that building or surrounding area will be
    subject to strict requirements that are typically more rigorous than standard planning
    requirements. London Architects and designers must ensure their clients are advised
    appropriately on the process and that suitable consultants are appointed to conduct the
    necessary work.

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      Why Consider a Kitchen Side Return Extension

      A kitchen side return extension can help to:

      • create a more spacious and practical kitchen layout;
      • introduce natural light into previously dark areas;
      • allow for open-plan kitchen, dining and living arrangements;
      • improve connection to the garden.

      In many London homes, even a relatively modest extension can significantly improve how the kitchen functions when the layout is resolved properly.

      Projects

      Our portfolio includes a range of kitchen-focused side return extensions in London, from compact interventions in Victorian terraces to larger open-plan transformations. Each project is developed with a focus on spatial clarity, light and long-term usability.

      See more projects

      Kitchen Side Return Extension Ideas

      Kitchen side return extensions are driven primarily by layout and use rather than a fixed formula. The available width, existing structure and spatial priorities will inform the design, although certain approaches consistently result in more effective and well-resolved kitchen spaces.

      Kitchen Layouts

      • open-plan kitchen, dining and living spaces;
      • kitchen islands that act as a central working and social area;
      • linear kitchens combined with dining zones for narrower layouts;
      • clear zoning between cooking, dining and relaxing areas.

      Light and Glazing

      • rooflights positioned along the side return;
      • glazed doors opening onto the garden;
      • fixed glazing panels to draw light deeper into the plan;
      • balanced glazing strategies that consider privacy and orientation.

      Storage and Joinery

      • built-in joinery to maximise storage;
      • integrated appliances for a cleaner layout;
      • concealed storage solutions to maintain visual clarity;
      • material palettes that combine timber, stone and contemporary finishes.
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      Our Architectural Approach

      As a RIBA Chartered practice founded in 2010, Armstrong Simmonds Architects offers a complete architectural service for residential projects across London. Our work on kitchen side return extensions is shaped by the same principles that run through the wider studio: a focus on bespoke residential design, careful attention to light and materiality, and a commitment to creating spaces that are both functional and refined.

      1

      Concept

      Briefing & Survey
      Armstrong Simmonds Architects will work with you to develop a concept design, sketching layout options to explore the potential of the property. We will also carry out a full measured survey of the property and its surroundings, allowing us to produce an accurate set of drawings.
      2

      Planning

      Application & Scheme Design
      Following on from the briefing we will prepare a set of scale drawings reflecting the range of ideas discussed. We will prepare and submit the planning application, liaising with the council as needed throughout the process. Our extensive experience will help facilitate a smooth planning process.
      3

      Visualisation

      3D Modelling Services
      To help you visualise the space in three dimensions we can produce internal and / or external views of your project. This can also be a useful tool to demonstrate the merits of the scheme to planners.
      4

      Technical

      Building Control and Detailing
      We will produce detailed technical drawings including drainage and electrical layouts, consulting with you to ensure the design meets your needs. We will then submit to building control and manage the approval process. As part of our architectural services during this process we can assist you in appointing other consultants, for example the structural engineer or party wall surveyor.
      5

      Specification

      Interior Architecture and Schedules
      We offer interior architecture and design for a high spec finish. We can produce further detailed information integrating specialist glazing components, floor finishes, joinery and bespoke staircase design as required.
      6

      Interior Design

      Furniture, Fittings & Equipment
      We provide Interior design architecture services ourselves or through collaboration with other London based Interior Designers, who may also be appointed by the client.
      We are happy to specify FF&E (furniture, fittings and equipment) for the project, providing a complete “one-stop” shop for your development.
      7

      Tendering

      Prices and Builders
      We will help you make an informed choice on an appropriate contractor. We maintain a selective tender list of contractors especially in the local London area, who we have experience working with on site. We will prepare tender documentation and appraise their quotes.
      8

      On Site

      Contract Administration
      Armstrong Simmonds Architects facilitates the implementation of the design by administrating a contract between you and the contractor. Amongst a wide array of architectural services, this will include undertaking site visits to monitor the quality of construction and handle any on-site queries from the contractor.
      Let's discuss your project
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      Planning Considerations for Kitchen Side Return Extensions in London

      Planning requirements vary depending on the property and location. Some kitchen side return extensions fall within permitted development, while others require planning permission, particularly in conservation areas.
      We assess planning constraints early and develop the design in parallel with the kitchen layout, helping to reduce risk and avoid redesign later in the process.

      How Much Does a Kitchen Side Return Extension Cost?

      The cost of a kitchen side return extension in London depends on size, specification and complexity.
      Each project is unique with different constraints and requirements. Costs will be influenced by:

      • structural alterations and steelwork;
      • glazing systems and rooflights;
      • kitchen design, appliances and joinery;
      • finishes and material specification;
      • site constraints and construction access.

      We help align design decisions with budget from the outset and support the tendering process to ensure appropriate contractor selection.

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      Customer
      reviews

      go to more reviews:
      Michael van Ree
      John and his team have been brilliant to work with for our full house renovation and extension in SW London. Our house is quite unique and that combined with it being in a conservation area we knew it wouldn't be a straight forward planning process - but Armstrong Simmonds did a fantastic job and helped us navigate us through every step. We couldn't be happier with the detailed design and outcome.
      Linda Roberts
      Architects Armstrong Simmonds were appointed by us to turn our concept of open plan living into reality, which they did with extraordinary vision and design flair. The AS team listened carefully to our ideas and transformed an ordinary detached house into a breathtakingly beautiful home that offered light, space and a lifestyle that exactly reflected our needs and requirements. AS worked closely with us and our builder, and their focus to detail in the design and build was impressive. This young architectural practice in our opinion, offers something more. They listen, understand and are unique in their ability to conceptualise, plan and build with imagination, whilst considering aesthetics and functionality. Linda and Allan Roberts ...>>
      Rowena Carter
      I cannot recommend Armstrong and Simmonds architects highly enough. Within minutes of John meeting us at our home he had understood our brief and was sharing a vision that ticked all of our boxes.We had met with other architects who did not inspire us and told us the shape we wanted for our extension would not be possible. John had excellent knowledge of the local planning rules, researched planning submissions in the immediate area and was confident that he would get our application through - and he did! During the detailed design process John and his team listened closely to how we wanted to use the space. He came up with many design features and solutions to save costs and keep our dream design within our budget. Throughout the process they delivered an innovative plan that felt personal to us in a professional and timely manner. We found John and his team to be responsive, helpful and caring. They went above and beyond to get our project over the line and I have no hesitation in recommending the firm to anyone looking at home extension/improvement. We would not look anywhere else for any future builds! ...>>
      Rebecca Wheelhouse
      We had a fantastic experience with John and the team at Armstrong Simmonds. We have a beautiful home and would happily use them for our next project.... hopefully even bigger next time! Flawless from beginning to end, I thoroughly recommend them.
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      FAQ - Kitchen Side Return Extensions in London

      Is a kitchen side return extension worth it in London properties?

      In many London homes, particularly Victorian terraces, a kitchen side return extension is one of the most effective ways to improve layout, natural light and overall usability without relocating. Well-designed schemes can significantly enhance day-to-day living.

      Can I add a kitchen island in a side return extension?

      Yes, in most cases. Even a relatively modest increase in width can allow for a kitchen island, provided the layout is carefully planned to maintain comfortable circulation and functional zoning.

      Do I need planning permission for a kitchen side return extension in London?

      Some kitchen side return extensions fall within permitted development rights, but many require planning permission, particularly in conservation areas or for more complex designs. Early design and planning assessment is essential.

      Can I combine a side return and rear extension for a larger kitchen?

      Yes. This is a common approach in London, creating an L-shaped extension that allows for a significantly larger open-plan kitchen, dining and living space with improved connection to the garden.

      Let's Discuss Your Project

      If you are considering a kitchen side return extension in London, we would be pleased to discuss your project. Armstrong Simmonds Architects can guide you from early ideas through planning, technical design and construction, helping you create a kitchen that works seamlessly for everyday life.

      0207 228 1324 Get in touch via phone
      [email protected] Get in touch via email
      Armstrong Simmonds Architects Ltd
      Unit 23, Battersea Business Centre,
      99-109 Lavender Hill, London, SW11 5QL

      Get a free consultation today





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