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Armstrong Simmonds Architects work with homeowners, developers, and property investors to deliver bespoke residential design solutions across West London. From period townhouses in Kensington and Notting Hill to family homes in Ealing and Chiswick, we design projects that respond carefully to the character of each property and neighbourhood.
As a RIBA Chartered practice, we guide our clients through every stage of the architectural process – from initial concept design and planning approval through to construction.
With over 15 years of experience delivering residential architecture across London, our studio has developed a strong understanding of local planning policies, conservation areas, and the architectural heritage that defines many West London neighbourhoods.
Planning policies vary between West London boroughs, particularly in areas with strong conservation protections and historic housing stock. West London Architects are often required to work within strict planning guidance.
Understanding local planning policies, conservation area guidelines, and building regulations is essential to securing successful approvals. Our team prepares and manages planning applications while liaising with local planning officers throughout the process.
Explore a selection of residential architecture projects across London. Our portfolio includes house extensions, loft conversions, basement developments and renovations delivered across the capital. Each project reflects a careful response to its context, combining thoughtful design, natural light, and high-quality materials to create functional and distinctive living spaces tailored to the needs of our clients.
Our team of architects in West London provide a complete architectural service covering all stages of the design and construction process. Each project is approached individually to ensure the design responds to the property’s architectural character, the client’s lifestyle, and local planning constraints. At Armstrong Simmonds, we combine creative design thinking with technical expertise to deliver refined residential spaces that enhance both functionality and long-term value.
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.
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.
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.
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.
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.
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.
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.
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.
Armstrong Simmonds Architects offer:
Our focus is always on delivering thoughtful architecture that enhances both the functionality and long-term value of a property.
We are glad we found Armstrong Simmonds Architects to help us on our first project. We had bought a run-down terraced house near Clapham Common with the goal of extending and refurbing to increase value. John initially impressed us by first listening carefully to what we wanted to do, then showing us creative ways to achieve the results and finish we were looking for.
Safe to say we certainly have managed that and both John and Alan have been instrumental in doing so. The guidance and consideration at every step have exceeded our expectations and Alan’s attention to detail during the build has been critical for the high standards we have set for this project.
They have provided us with a service which reflects every stage of the design and build. Starting with the initial drawings, schedule of works, tendering and interior design. We also employed ASA for Contract Administration to be the key middle-man between us and the builder, which they were happy to help.
We are now underway with our second project with ASA and they have been able to deliver the final drawings for planning within a fairly tight time frame, without hindering on quality. I know the whole team worked hard to help bring our vision to life and it’s been brilliant working with them over the last 18 months. They have shown a great ability to solve any issues that arose quickly and are able to communicate effectively with different contractors at all levels. I have no doubt the next redevelopment project will go well.
We chose Alan and John for our extensive project and incredibly pleased with that choice and the result. We have a Victorian terraced house and wanted to do a classic loft conversion and ground floor extension. The Armstrong Simmonds team provided a vision which achieved our goals, but with a design we could have never have thought of ourselves which we love. We used them from start to finish and are incredibly glad we did. Alan supported us through the tender and renovation processes, and we are incredibly pleased with the end-product and the quality of work of builder Cezar of Vecchini. We would highly recommend Armstrong Simmonds for their vision, design thoughtfulness and exceptional assistance through the project. Thanks team!
We worked with Alan and the team from Armstrong Simmonds for 3 years from start to finish to achieve the full renovation of a London townhouse. It was a challenging brief given the nature of the property but collectively what has been achieved is an outstanding end result. Alan and John thoughtfully incorporated our vision with the realities of converting an old Victorian house and the scrupulous attention to detail, symmetry and balance achieved in the design were instrumental in us choosing Armstrong Simmonds in the first place.
In addition Alan supported us through the tender and during the renovation working with our excellent builder Cezar of Vecchini to deliver the brief. I would highly recommend if you are looking for a team to turning your vision to the end product with a very high attention to detail while still being good humoured and a generally great guy to work with. Thanks again team. Dom and Kamilla
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.
If you are planning a residential project and are looking for experienced West London architects, our team would be pleased to discuss your ideas.
From initial design concepts to planning permission and construction support, Armstrong Simmonds Architects provide a complete architectural service tailored to West London homes.
West London is known for its distinctive residential architecture, ranging from Victorian terraces and Edwardian houses to contemporary apartment developments. West London architects are required to bring extensive residential expertise to a wide range of project types across the area. From house extensions and loft conversions to basement developments, renovations, and listed building projects, our studio approaches every design with careful attention to context, planning requirements, and the character of the existing property.
Architect's studio/ West London Architects
