50 Extension architects

Benefit from the experience of more than 50 architects to realise the project of your dreams.

Fast

Free

No commitment

No registration

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.

Alun Arthur Architects is a practice specialising in bespoke residential projects for both new build designs together with the conservation and refurbishment of existing buildings. With over 30 years experience, Alun Arthur Architects has the knowledge, the passion and the understanding of what creativity means to their clients. 

4 property types

Single-Family Homes

Townhouse

9 types of work

Extension

New Build

1 services

Design / Plans

William Kish is an architect with over 40 years of experience in construction. Based in Blaydon, in Tyne and Wear, his practice WKish Architects specialises in offering affordable, quality solutions for a wide range of projects, from domestic extensions and alterations to industrial projects.

7 property types

Single-Family Homes

Commercial Buildings

7 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Yeah Totally Ltd unites the talents of architect Keith Winter, who additionally holds a PhD in Urban Theory and is an internationally-exhibited artist, and award-winning designer Nayden Hadzhiev. The London-based architecture studio has experience with projects from small to medium-sized bespoke residential and mixed-use developments to designing hotels, retail shops, museums and virtual exhibitions.

12 property types

Single-Family Homes

Offices

8 types of work

Extension

New Build

3 services

Design / Plans

Planning permission application

With a PhD in design, architect Catja de Haas adopts a research-based approach to creating sustainable architecture and more efficient spaces that make life better for people and their communities. Working in West Sussex and London, the practice is attentive to the natural environments of the buildings it designs, in particular with coastal architecture. 

7 property types

Single-Family Homes

Flats / Lofts

8 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

We find
the architect for you

Search
footer.we_find_for_you_bis

Brown&Co is an RIBA Chartered Practice based in Cambridge, Norwich, St. Neots and Lincoln. They have a dedicated and talented team of architects, technologists, urban designers and planners. Architect Alex Darby has over 30 years of experience and leads the Cambridge team, with a commitment to delivering great design and value to clients.

14 property types

Single-Family Homes

Offices

10 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Flair Studio is a dynamic, young interior architecture and design practice that specialises in creating bespoke commercial and residential interiors. Based in west London, the RIBA chartered practice was founded in 2018 by Federico Schilling, an architect with nearly 20 years of experience in luxury interior design.

5 property types

Single-Family Homes

Commercial Buildings

6 types of work

Extension

Roof raise

3 services

Design / Plans

Planning permission application

LSD Architects is a young London-based architectural practice founded by three partners: Luka Anic, Sam Dodsworth and Daniel Cotton. The design-led practice specialises in the design and management of bespoke projects of all sizes and scales.

10 property types

Single-Family Homes

Offices

7 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Bespoke Living AIC is an integrated architectural, interior design and construction practice with their architects all RIBA qualified. Their clients personal lifestyle requirements is their core focus with every project. Their in house teams work collaboratively to ensure your project is delivered seamlessly, from initial contact to completion.   

10 property types

Single-Family Homes

Offices

7 types of work

Extension

New Build

3 services

Design / Plans

Planning permission application

Together
we can define your project

Make a free appointment with our specialist advisor.

Request a meeting
footer.we_find_for_you_bis

Studio ViMiNi is an architectural practice located in North London that offers a full range of architectural services in both the residential and commercial sectors. Aware that every project goes through different stages, they offer their expertise for everything from design to monitoring construction. 

6 property types

Single-Family Homes

Offices

7 types of work

Extension

New Build

3 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

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

John Kellett is an ARB registered and RIBA chartered architect and the founder of the KR.eativ: Architects Ltd., a RIBA chartered practice that specialises in bespoke solutions for new homes and existing architecture, in particular listed buildings. e are also registered with ACA as a Principal Designer.

15 property types

Single-Family Homes

Healthcare

11 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

We find
the architect for you

Search
footer.we_find_for_you_bis

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

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

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

Together
we can define your project

Make a free appointment with our specialist advisor.

Request a meeting
footer.we_find_for_you_bis

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

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

With each and every project the aim for Bruno Paolucci Architecture remains the same: Transform constraints into opportunities. Their studio has experience in a broad and varied spectrum of building types from new build to historical restoration work. The application of these skills remains paramount in each and every project regardless of scale or function.

16 property types

Single-Family Homes

Offices

12 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application