YellowDoor Architecture

We are a multidisciplinary collaborative architecture practice based in central London, specialising in residential extensions, refurbishments and renovations

Opening a door with us signifies the start of a process. Through clear and honest dialogue with our clients, we endeavour to create something that is personal, collaborative and inclusive.

We bring expert design and technical skill to every project, while pursuing sustainable solutions for modern challenges.

Helen Yeadon


BA Dip Arch ARB

I am an ARB-registered architect who has delivered a range of residential and commercial projects in the UK and Australia.

I specialise in working with people to identify their ‘must haves’ versus their ‘nice to haves’. I particularly enjoy detailing spaces and using bespoke, design-led solutions to have the biggest impact.

I am passionate about residential architecture because I love the process of working closely with people to create the best living experience for them. Each project is an opportunity to get to know the client as an individual or family, their budget and their aspirations. 

Joe Stewart 

Architectural Technologist


I am a Chartered architectural technologist, a member of the Green Register, the AECB and a Certified Passive House Designer. I deliver residential and commercial projects in the UK.


I believe in responsible design, and my passion for the built environment is driven by the challenge to provide spaces that make use of sustainable resources while enhancing the lives of their inhabitants.  

I like nothing more than to use - or creatively reuse - found objects in my projects. My aim is to deliver stunning architecture and design by providing clients with creative, sustainable solutions to realise their vision within their budget. 


HFM Architects

YellowDoor Architecture is the proud residential arm of HFM Architects.


Founded in 1993 by three colleagues Chris Haddon, Duncan Few and Mike Montuschi, HFM have remained true to their principles of providing a personal, Director-led service to their clients. 

Photo Gallery: the YellowDoor launch party

YellowDoor Architecture

We are an architecture practice based in South East London, specialising in residential extensions, refurbishments and renovations, interior design and new builds.

We believe that behind every door lies a story, and it is our job to help our clients tell theirs. 

© 2020 YellowDoor Architecture Limited Registered in England No 12712419.


A: 143 Torridon Road, London, SE6 1RG


T: 07716012870

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