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Kitchen Extension

Through a unique combination of engineering, construction and design disciplines and expertise.

Kitchen Extension

Through a unique combination of engineering, construction and design disciplines and expertise.

Welcome to Studio20 Architects London

Studio20 Architects are dedicated Kitchen Extension Specialists transforming London homes into light-filled, practical spaces that enhance both value and comfort. Whether you seek a compact side-return or an open-plan layout, our RIBA-chartered team guides you through every stage — from concept to completion.

Our design philosophy emphasizes natural light, functional flow, and aesthetic balance. Collaborating closely with clients, we create tailored kitchen extension designs, blending finishes and glazing to suit everything from modern minimalism to classic elegance. Every project is delivered with technical precision to ensure build-ready results that elevate your lifestyle and property worth.

With extensive experience in kitchen extension design and planning, our experts manage all aspects, including site surveys, planning applications, building regulation drawings, and structural calculations. Contact Studio20 Architects to start your consultation and explore exceptional kitchen extensions that London homeowners trust for lasting quality and style. Experience London kitchen extensions designed with confidence, comfort, and professional expertise.

Kitchen Extension
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Common Types of Kitchen Extensions

Discover flexible kitchen extension solutions designed for your unique home:

  • Rear Kitchen Extension: Connects living areas to a bright, garden-facing kitchen.
  • Side-Return Extension: Utilizes alleyway space, ideal for London terraces and period properties.
  • Wrap-Around Extension: Merges side and rear expansion for open-plan living.
  • Double-Storey Extension: Adds kitchen space plus extra bedrooms for growing families.

Design style, budget, and regulations are tailored to your needs before drawings begin.

Planning Permissions for Kitchen Extensions

Navigating London’s planning rules for the London kitchen extension can be complex, but our team manages the entire process for you. Our architects determine your project’s optimal planning route, from Permitted Development to full permission, guaranteeing your kitchen extension is fully compliant, approved, and build-ready without delays.

We handle application submissions, liaise with authorities, prepare Building Regulation and structural documents, coordinate Party Wall agreements as needed, and ensure all designs meet structural and energy standards.

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Why Studio20 for your London kitchen extension?

Studio20 Architects is a RIBA-chartered practice specializing in kitchen extensions for London homes, including terraces and conservation areas. We offer a full end-to-end service, managing site surveys, detailed design, planning applications, structural calculations, and all Building Regulation drawings. Our experts guide you through every stage, ensuring the final layout unlocks your space’s potential and complies with all statutory requirements. Trustworthy local delivery, backed by verified reviews, ensures value that justifies the cost of a kitchen extension in London.

Other Kitchen Services We Provide

If you have a kitchen project in mind, why not get in touch to arrange a free consultation at our studio? Discover how your dream home can become a reality.

Explore a complete range of kitchen services with Studio20 Architects. From innovative extension kitchen design and bespoke collections to expert refurbishment, fit-out cost guidance, and end-to-end architectural services, our team tailors every solution to your space and goals. Arrange a free consultation to discover how transparent advice, custom designs, and professional project management can bring your kitchen vision to life—whether you want a stylish refresh or a full extension that enhances the comfort, value, and functionality of your home.

Open-Plan Kitchen & Living Redesigns

Studio20 Architects brings extension kitchen design expertise, featuring Oasis, SkySoft, Majestica, Vanessia, and Opacool collections. These open-plan concepts transform spaces for modern living, combining sleek cabinetry and natural light with tailored layouts that maximize comfort, style, and everyday function.

Kitchen Interior Design Services

Explore kitchen extension designs with Studio20’s bespoke collections: Classica, Elessia, Lorina, Manifest, and NewArt. Each tailored interior service blends contemporary finishes with practical storage and lighting solutions, ensuring cookspaces and dining areas reflect your unique lifestyle and preferences.

Orangery Kitchen Extension

Studio20 Architects specializes in London kitchen extensions, offering Fabia, Sirius, Seamless, and Royal collections for elegant orangery extensions. These kitchens use classic and modern features—like glass units, metallic finishes, and bold islands—to create light-filled, high-value interiors that connect home and garden.

Get A Free Quote For Kitchen Extensions

Studio20 Architects offers transparent pricing for kitchen extension design and technical services. While the construction cost of a kitchen extension in London is estimated separately after a detailed site survey and client briefing, we provide a free quote tailored to our architectural services. Whether you have a clear vision or want to explore options, contact us to arrange a convenient initial consultation.

During the consultation, our experts will listen to your ideas, provide professional advice on how to enhance and extend your home, and offer a free, no-obligation quote tailored to your project—helping you move forward confidently with your kitchen extension plans.

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Here’s what our clients have to say.

Studio20 Architects place picture
4.8
Based on 31 reviews
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Bill profile pictureBill
20:34 16 Nov 25
Hi Nadir and Georghe. We would all like to thank you both. Nadir, for project managing the task so efficiently. We really appreciated your guidance and friendly advice. Georghe, we would like to thank you for your hard work and expertise and especially to thank you and your workers for enabling Andrew to live onsite throughout the build. The house has been transformed. It was a pleasure to work with you all. Paula Bill and Andrew. 🙏
Morespace Design Info profile pictureMorespace Design Info
12:21 09 Sep 25
Swapnil Dhoke profile pictureSwapnil Dhoke
19:25 21 Jul 25
Nadir created Building drawings for our single storey rear and side extension. Drawings have all required details with clear and detailed specifications for structure, foundations, insulation, and drainage that even I can understand. Some of the builders who gave us quote for the build were very impressed with the drawings that they ask for his contact details. I would highly recommend Nadir for his work on building drawings.
Mayuri Parmar Amin profile pictureMayuri Parmar Amin
14:00 06 Jul 25
We used Studio20 architects to support both planning and building control for our existing house renovation and a new build. They were professional, reliable, friendly and strategic and helped us overcome a planning issue that we were facing with Sutton council. Nadir is really knowledgeable and can provide services to support into the build stage of a project- I would highly recommend them!
Selena S profile pictureSelena S
15:10 18 Jun 25
Nadir has been helping us with the BR designs. Lovely person and clear communication. We are at early stages of building work. We have recommended him already and would be working with him in the future too.
Gavinder Pawar profile pictureGavinder Pawar
10:21 18 Mar 25
Nadir has done a fantastic work for us-on first visit he gave us clear advice, was proactive with ideas and really helped us after a previous planning failure. He was confident in the right approach to take in both design and planning. We were also impressed at how prompt he was to communicate and complete each stage of the design. Highly recommended!
Duc Trung Phan profile pictureDuc Trung Phan
13:40 04 Dec 24
We renovated our house in 2021. The project was a wrap-around, L-shaped, kitchen & back extension. Studio20 (Nadir) was the architect & project manager while George was the builder. The project lasted 7 months from April to December 2021. I write this review now (December 2024) 3 years after completion as you can only truly assess the quality after the build a few years.

This was my first project and I was nervous at the beginning as every thing was new to us. Nadir was very helpful in guiding us through the entire project from planning stages to choosing materials to assigning builders; giving us assurances that the project would be finished on time and on budget. He also provided us with ideas for interior design. The build was of high quality with great care taken throughout. Geroge and his team were excellent builders and really gave us a peace of mind. There were issues with some of the materials (not their faults but due to Covid restrictions and the subcontractors), all of which were sorted out by Nadir and George between themselves. I’m hugely impressed by the after build care (nagging jobs and other issues). They were all addressed without fuzz.

A true test of a beautiful house is whether you are proud of showing it to guests. I’d say this project has passed this test with the highest score. We are still in love with the extension 3 years after it has finished. We’ve also received a lot of compliments from our guests.

I highly recommend both Nadir and George for their service.

Popular Questions, you may be interested in

Studio 20 Architects is dedicated to Kitchen Extension Specialists, offering top-notch architectural design and project management services. Our comprehensive service is structured around a systematic six-phase process that guides you through every step, including: the free initial site consultation, all necessary design and planning work, the production of mandatory Building Regulation Drawings and Structural Calculations, and independent Contract Administration.

Our project journey for London kitchen extensions is structured around a transparent, systematic, six-phase process, ensuring efficiency and continuous guidance :

  1. Initial Sites Consultation: Free consultation to understand your needs and assess project feasibility.
  2. Concept and Planning Design: Architectural planners develop drawings and manage the submission of your planning application.
  3. Technical Design: Production of mandatory Building Regulation Drawings and collaboration with Building Control.
  4. Tender Pack: Creation of detailed documentation specifying materials and finishes for accurate bidding.
  5. Practical Competition (Tendering): Selection and engagement of a proficient principal contractor from our network.
  6. Contract Administration: Independent oversight of the building contract through to practical completion.

Whether formal Planning Permission is required for the London kitchen extension depends entirely on your specific design and its adherence to local rules. As part of our Concept and Planning Design phase (Phase 2), our experienced architectural planners will assess your needs, prepare the necessary documents, and submit the planning application on your behalf, actively liaising with Local Authorities.

We manage the complexity and potential variations in the cost of kitchen extension in London by using meticulous documentation. During the pre-construction phase, we create a detailed Tender Pack that specifies all materials and finishes internally. This level of specification eliminates ambiguity for contractors, allowing us to secure accurate and competitive bids during the Tendering phase, thereby establishing greater budget control.

Studio 20 Architects operates under a Design and Contract Administration model, which offers independent oversight. Unlike 'Design and Build,' our approach focuses on objective kitchen extension design and meticulous technical documentation. We then manage the contractor, ensuring the build adheres strictly to the detailed specifications outlined in the Tender Pack during the Contract Administration phase, guaranteeing quality control for the client.

During the Technical Design phase, we ensure all kitchen extension designs are fully compliant with mandatory safety and structural requirements. Our services explicitly include producing mandatory Building Regulation Drawings and managing the necessary Structural Calculations to guarantee the scheme is aligned with current legislation and structurally sound.

Our systematic process, which integrates engineering, construction, and design expertise, ensures efficiency by front-loading the technical requirements. We achieve this by creating robust extension kitchen design documents and the comprehensive Tender Pack early in the process. This detailed preparation minimizes the potential for technical delays or scope creep once construction begins, while Contract Administration maintains momentum.

For kitchen extensions in London, we manage the selection process during the Practical Competition phase. We only send the finalized Tender Packs to our established network of proficient principal contractors who have proven track records with our firm, ensuring quality and competitive pricing. Our firm then oversees the building contract through the Contract Administration phase, ensuring the build precisely matches the approved specifications.

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