47 architects Extension

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.

Architect in Exeter

What sets this practice apart is its ability to combine award-winning design with a deeply personal approach. While many architects begin with buildings, the team begins with people—taking time to understand aspirations, lifestyles and long-term goals before putting pen to paper. Every project is

7 property types

Single-Family Homes

Hotels / Restaurants

Multi-unit Residential Buildings

8 types of work

Extension

New Build

Energy renovation

4 services

Design / Plans

Planning permission application

Construction Management

Architect in London

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

Hotels / Restaurants

7 types of work

Extension

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management

Architect in London

Magri Williams is a dynamic, young studio founded by architects Joe Magri and Alice Williams. Based in London, the architecture studio specialises in crafting well-considered buildings with a focus on residential and interior design projects.

5 property types

Single-Family Homes

Hotels / Restaurants

Historical / Listed Buildings

6 types of work

Extension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Construction Management

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Architect in Cardiff

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

Commercial Buildings

4 types of work

Extension

New Build

Renovation

3 services

Design / Plans

Construction Management

Consulting

Architect in London

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

Commercial Buildings

5 types of work

Extension

New Build

Renovation

3 services

Design / Plans

Planning permission application

Construction Management

Architect in London

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

Commercial Buildings

7 types of work

Extension

New Build

Roof raise

4 services

Design / Plans

Planning permission application

Construction Management

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Architect in London

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

Flats / Lofts

10 types of work

Extension

New Build

Renovation

4 services

Design / Plans

Planning permission application

Construction Management

Architect in London

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

Hotels / Restaurants

6 types of work

Extension

Roof raise

Renovation

3 services

Design / Plans

Planning permission application

Construction Management

Architect in St Albans

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

Flats / Lofts

8 types of work

Extension

New Build

Roof raise

3 services

Design / Plans

Planning permission application

Construction Management

Architect in Chichester

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

Hotels / Restaurants

8 types of work

Extension

New Build

Roof raise

4 services

Design / Plans

Planning permission application

Construction Management