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Modern two-story house at dusk, with large windows illuminating the interior

Architectural planning and design for Brighton and the wider UK

Creative residential and commercial solutions. Transformative property enhancements. Proven results across extensions and refurbishments.

Call to see our project portfolio now. 

Recent projects and transformations

Our portfolio includes home extensions, commercial refurbishments, listed building adaptations, and new builds, with every project demonstrating how Sam Willoughby Architects responds to the brief, overcomes challenges, and deliver practical solutions with lasting results. Through carefully considered design, we navigate planning restrictions while improving functionality, appearance, and long-term property value. From restoring historic character with energy-efficient upgrades to creating contemporary living spaces, we bring proven experience in securing planning approvals and managing projects from concept to completion. Explore our case studies to see how our approach takes shape across a range of properties, or contact us to discuss your plans and find out how we can support your next project.

A modern brick building with large arched windows sits beneath a blue sky with fluffy clouds

Low-energy dwellings

The Haywagon

Timber Frame Dwelling

Warwickshire 

Completed in 2019

CGI drawing of a residential property
modern home with large glass frontage

Westwinds

Timber Frame Dwelling

Sussex

Starting in 2025

Conservation & Listed Buildings

Manor Barn

Grade II Listed 

Northamptonshire 

Completed in 2022

d58553_dfefa85e288b48f3ad3ebfc1ca9f9706~mv2.jpg

The Barn

Little Preston

Grade II Listed 

Northamptonshire 

Completed in 2023

September Cottage

Grade II Listed 

Northamptonshire 

Completed in 2016

Residential - Extensions & Conversions

Tudor-style house with white and black timber facade, two cars parked in front

Brangwyn Way

Extension and Refurbishment

Brighton

Completed in 2022

Circus Street

Garage Extension and Conversion

Brighton

Completed in 2021

Tudor-style house with white and black timber facade, two cars parked in front

Engagine Street

Kitchen Extension and Internal Alterations

Wimbledon, London

Completed in 2020

Morton Street

Old Stables Conversion

Leamington Spa

Completed in 2016

Residential - Multiple Newbuild Dwellings

Oxford Street

22 new Flats

Northamptonshire 

Northamptonshire 

Completed in 2023

Queensbury Terrace

7 high spec dwellings

London

Completed in 2018

Office & Workshops

Catesby Tunnel

New Office & Workshops on Old Railway Station site.

Northamptonshire

Starting in 2025

Boots Farm

New Business Park on light industrial site.

Warwickshire

Started in 2023

plan of a development

Competitions

Closed Loop ECO Housing

Rose Hill, Mauritius

Winner - AW18 Design Studio 

& RIBA Competition Entry, 2018

Frederick Street Housing

Brighton, UK

Shortlisted - Brighton Council & RIBA 

Competition Entry, 2016

Langley Vale Visitor Hub

Surrey, UK

RIBA Competition Entry, 2016

Sessey Sports Centre

Yorkshire, UK

RIBA Competition Entry, 2014

Cycle and Pedestrian Bridge

Amsterdam

eVolo Architecture Competition 2012

Closed Loop Biosphere

Namibia, Africa

eVolo Architecture Competition 2010

Sam was very professional and enthusiastic and designed new build plans exactly to our requirements. He designed a modern, efficient home satisfying our needs whilst also satisfying local conservation officers and planners. Highly recommended.

James L, Google

Enhance your property with practical design solutions

Call us today for architectural planning advice on your project.

residential extension build
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