50 Extension architects

Extension Architect

A home is one of the most precious assets a person can own. Taking care of it is akin to taking care of oneself. A true living space, a home adapts to the needs of its owners and sometimes requires work to be carried out — including the addition of an extension.

Whether built to gain extra living space, attached to the existing home, or added as an upper storey, an extension serves more than one purpose.

To achieve a functional home extension that matches your vision, a specialist architect is your greatest ally.

Why choose a specialist architect for your home extension?

An architect is not always mandatory for a home extension project. However, calling on this building, construction, and renovation professional brings a number of significant advantages.

An extension in harmony with your home
Adding an extension to your home comes with many challenges. The first is creating a space that is in perfect harmony with your existing home and living environment. Whether in terms of exterior or interior cohesion, working with an architect allows you to choose the type of extension, the materials, and the construction style — ensuring the new space integrates seamlessly with your home.

A project tailored to your budget
A home extension is a project that requires careful planning from the outset. Between site preparation, materials, and labour, expanding your living space requires a considerable budget.

An architect can assist you as the project manager. They design the plans, oversee the works, and coordinate the various tradespeople — all while working within your budget. The best way to avoid unwelcome surprises.

Achieving a functional and practical space
A home extension is more than just extra floor space attached to a main building or added on top of it. Above all, it must be functional and comfortable. Whether it's a conservatory, a garage, or an additional room, the specialist architect carries out the work so that the extension fulfils its primary purpose.

Insulation, natural light, electrical wiring, built-in storage — your new room is immediately ready to use.

2 achievements

Alan Dale Architects is an architectural firm located in Falmouth and Derby. Founding architect Alan Dale and his team specialise in one-off houses, housing developments as well as education architecture.

16 property types

Single-Family Homes

Offices

9 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Jason Goldring has over 20 years of experience in architecture and design, developing his expertise through a wide range of commercial projects and particularly in the motor retail industry. The architect leads the team of creative designers at the firm 54 North Design, an ARB registered practice located in Belfast.

5 property types

Single-Family Homes

Offices

4 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

The architectural practice kalm architecture was founded in 2007 by partners Lucy Miller and Kevin Adams. Based in the East Lothian and greater Edinburgh regions, the two architects both have over twelve years of experience gained working on projects for a diverse clientele in the residential and commercial sectors and in arts and culture.  

4 property types

Single-Family Homes

Townhouse

3 types of work

Extension

Renovation

4 services

Design / Plans

Planning permission application

Director of the Cardiff-based practice Sunder Architects, architect Swati Sunder is driven by a passion for creating sustainable, unforgettable architecture that has a positive effect on her clients’ lives. 

10 property types

Single-Family Homes

Offices

4 types of work

Extension

New Build

3 services

Design / Plans

Construction Management

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baron + baron architects is an architectural studio based in Poole, in Dorset. Led by architect James Baron, the studio handles both residential and commercial projects on all scales, including bespoke new homes, renovations, extensions and housing developments.

3 property types

Single-Family Homes

Townhouse

6 types of work

Extension

New Build

3 services

Consulting

Design / Plans

Founded in 2005 by architects Lida Vanessa Charsouli and Nathaniel Kolbe, Superfusionlab Architects is an international practice that combines craftsmanship and innovation as the key to a successful architecture project. 

10 property types

Single-Family Homes

Offices

5 types of work

Extension

New Build

3 services

Design / Plans

Planning permission application

Based in Oxford, Resonant Architecture is an architecture and urbanism practice whose work is rooted in the belief that great design does not have to damage the world in which we live. The practice’s goal is to provide solutions. 

16 property types

Single-Family Homes

Offices

6 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Based in Cheam, Happy Building is an architectural design and construction management company with a love of creative inspiration. They have undertaken over 200 planning applications and 50 construction projects per year and they offer In-house expert teams for every stage of your project: Architects, Interior Designers, Engineers, Project Managers, Project Architects, Construction Teams. 

4 property types

Single-Family Homes

Flats / Lofts

6 types of work

Extension

New Build

3 services

Design / Plans

Planning permission application

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Luca Arnaud Architecture is a young and vibrant architecture studio, based in London. It is headed by Luca Arnaud, who has been working in the UK since 2006, and has carried out a wide range of different architectural projects all over the world.

8 property types

Single-Family Homes

Commercial Buildings

11 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Joseph Faycal and his colleagues pride themselves in the way they work : they believe firmly in communicating with the client at each stage of the process, to ensure that the result of the work is exactly as the client had envisaged it. The studio’s architects also make sure their designs are fully respectful of the environment: the studio believes that this is one of the most important aspects of their profession.

8 property types

Single-Family Homes

Offices

4 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Urban Jan is a RIBA-chartered architecture studio based in London. Their designs incarnate elegance, style, and contemporary urban living.

7 property types

Single-Family Homes

Commercial Buildings

7 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

For Hopkins Design, a South London-based studio, everything begins with an idea. From there, this group of professionals uses their expertise in research, concept development and design-led architecture approach to help bring both commercial and private works to life. 

13 property types

Single-Family Homes

Offices

4 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

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5 achievements

JV Architects is a RIBA Chartered architectural practice based in Folkestone, Kent, providing professional architectural services across Kent and the South East. Established by RIBA Chartered Architect John Verkaik, the practice has built a strong reputation for delivering thoughtful, practical and well-crafted design solutions for homeowners, businesses, schools, churches and community organisations.

11 property types

Single-Family Homes

Offices

9 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Established by Architect Frank Amankwah, Novate is an innovative and unique London-based Chartered RIBA Architectural Practice and Accredited Construction Company. Their passion and purpose is to enhance the homes and lives of their clients by helping them maximise the potential of their home.

11 property types

Single-Family Homes

Offices

8 types of work

Extension

New Build

3 services

Design / Plans

Planning permission application

AVA Studio is a dynamic young London-based practice led by innovation and aesthetics. The architecture and design studio adopts an interdisciplinary vision of architecture influenced by visual arts and technology.

6 property types

Single-Family Homes

Hotels / Restaurants

7 types of work

Extension

New Build

3 services

Design / Plans

Planning permission application

Founded by architect James Hampton, New Makers Bureau is a London-based RIBA Chartered Architecture Practice that believes that imaginative, environmental architecture is the key to creating a positive force for good in the world.  

7 property types

Single-Family Homes

Flats / Lofts

6 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Together
we can define your project

Make a free appointment with our specialist advisor.

Request a meeting
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Norrie Toch Studios Ltd was established in 1992 and provides services in the fields of Architecture, Planning, Urban Design and Interior Design. The company is involved in new built, regeneration and refurbishment projects throughout the United Kingdom and abroad, from master planning to housing, r

15 property types

Single-Family Homes

Offices

5 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

LUCA was founded in 2013 by two chartered senior architects, Alex Schramm and Shin Yu. Both have led large teams delivering award-winning projects internationally and decided to set up a practice with a focus on clients, end-users and the environment.

9 property types

Single-Family Homes

Offices

7 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Anne-Sophie Doneche is an architect ARB / DE HMONP who previously worked at the a large firm based in London. An experienced project manager as well as architect, Anne-Sophie Doneche offers a wide range of services from planning and technical design to tender and construction management, for various property types including residential buildings, hospitality buildings and retail spaces. 

6 property types

Single-Family Homes

Commercial Buildings

7 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

With over 15 years of practical experience, Marc Tuitt has a proven track record of producing high quality architecture. His studio, Natureworks Design, is a research-led architecture and design practice. The studio possesses a particular passion for beautiful architecture that has a positive social and environmental impact.

14 property types

Single-Family Homes

Offices

10 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application