London Borough of Kensington and Chelsea
Architects in Kensington and Chelsea
A RIBA chartered practice based in Dulwich, working across Kensington and Chelsea. Almost the entire borough is covered by conservation area designation, with a high proportion of listed buildings.
Architects working across Kensington and Chelsea
Kensington and Chelsea is small, dense and almost entirely covered by conservation area designation, with a large number of listed buildings and some of the most detailed policy in London on basements, rear extensions and external alteration.
We work throughout the borough, from Notting Hill and Holland Park to South Kensington, Earl's Court and Chelsea, on whole house and apartment refurbishments, listed building alterations and commercial projects. Marjoram Architects is a RIBA chartered practice with its studio in Dulwich, and every commission starts with a free initial consultation.
Planning in Kensington and Chelsea
Detailed policy, carefully navigated
The borough applies tightly drawn policy, particularly on basement development and rear extensions. We confirm what is realistic before design work begins rather than after a refusal.
Listed buildings and conservation
Designing in protected settings
Nearly all of the borough is within a conservation area and a large number of buildings are listed. We prepare heritage statements and listed building consent applications and engage conservation officers early.
Common Project Types
Refurbishment and alteration
Whole house and apartment refurbishments, internal reordering of period and listed interiors, rear and roof alterations where policy permits, and commercial fit-out.
Selected work
Recent schemes across London
A sample of completed and consented projects. We show work closest to your site at the consultation.
The practice
A studio in Dulwich, working across London.
Founded in 2016 by Kristian Marjoram, the studio brings together architects, designers and architectural technicians on residential, mixed-use, commercial and community schemes. We are RIBA chartered and ARB registered, with project experience from £100k to £100m.
Kristian Marjoram, Director, Architect · RIBA ARB
Slawomir Turek, Associate, Architect · ARB MArch
Ben Matthews, Architectural Technician · CIAT
Unit F16, Parkhall Business Centre, 40 Martell Road, London SE21 8EN
Trusted on schemes across London by
Common questions
Working with Marjoram in Kensington & Chelsea
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Yes. We design residential and commercial schemes across the Royal Borough, including Notting Hill, Holland Park, South Kensington, Earl's Court and Chelsea. Every project starts with a free initial consultation.
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Basement development is possible but tightly controlled here, with detailed policy covering extent, depth, garden area and construction impact, and additional requirements where the building is listed or in a conservation area. The answer depends on your specific property, so we test the principle before any design work is commissioned.
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Everything from a single-storey extension to whole house renovations, one-off houses and multi-unit residential and mixed-use schemes. We are a small studio, so the people you meet at the outset are the people working on your project throughout.
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Fees are agreed in writing before we start and are set against defined work stages, so you know what each stage covers and what it costs before committing to it. The right structure depends on the size and type of project, and we set out the options at the initial consultation.
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Once an application is validated, householder and minor applications are generally determined in around eight weeks, and larger schemes in around thirteen. Design work and preparing the application come before that, so it is sensible to allow several months from first meeting to decision.
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We visit the property, discuss what you want to achieve, and set out the likely planning route, the scope of work involved and a realistic budget. There is no obligation to proceed.
Start your project
Book a free initial consultation.
Tell us about your scheme. We come back within one working day to arrange a time that suits you, in our Dulwich studio, on a call, or on-site.
Across South London
Other areas we work in
Croydon
Wandsworth
Merton
Richmond upon Thames
Kingston upon Thames
Southwark
Lambeth
Lewisham
Greenwich
Bromley