50 Extension architects

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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.

Led by Nick Rees, an award winning architect with over 16 years industry experience, NRDA is a full service architecture practice specialising in residential, commercial and hospitality design.

14 property types

Single-Family Homes

Offices

11 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

DASH Architecture is a London-based studio that places sustainability at the heart of everything they do. The team consists of three colleagues:  design director Jack Dusek, civil and structural engineer and project director Jonathan Fashanu, and architect Caterina Castro. 

12 property types

Single-Family Homes

Offices

11 types of work

Extension

New Build

3 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

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

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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

Goater Jones is a high performace RIBA Chartered Practice based in Fulham, London, founded in 2009 by Jonathan Goater.  The practice offers professional, high-quality architectural design services and project management for a broad range of residential and commercial projects.

5 property types

Single-Family Homes

Multi-unit Residential Buildings

8 types of work

Extension

New Build

3 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

Lumin Architects designs through a customer-centred lens so that each project is warm, welcoming and completely bespoke. From initial feasibility studies to obtaining planning permission, all the way through to tender and construction phases, they are fully equipped to accompany you through every stage of your project.

11 property types

Single-Family Homes

Offices

7 types of work

Extension

New Build

4 services

Design / Plans

Planning permission application

Together
we can define your project

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SSK Architects Ltd is a family practice with over 25 years’ experience in architecture and extensive knowledge of their areas of expertise. The RIBA chartered practice provides innovative design solutions to projects in Middlesex, Hertfordshire and the surrounding regions.

8 property types

Single-Family Homes

Offices

7 types of work

Extension

New Build

3 services

Design / Plans

Planning permission application

AQA Studio specialises in bespoke, high-end projects primarily in the residential and hospitality sectors. The architecture studio’s philosophy is simple: whatever they do, they do with excellence.

6 property types

Single-Family Homes

Hotels / Restaurants

7 types of work

Extension

New Build

3 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

Cuozzo Fleming is an architecture practice founded in 2015 by Jenny Fleming and Alessio Cuozzo. Based in East London near Bethnal Green, the studio designs architecture in response to its context and the client, with a deep-rooted belief in making the city a better place. 

12 property types

Single-Family Homes

Offices

9 types of work

Extension

New Build

3 services

Design / Plans

Planning permission application

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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

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

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

Studio Epitome is design led practice based in London with more than 30 years of experience in the architectural profession, having worked previously on a range of projects in UK, France and Spain. Their work process offers a tailor made architectural service which begins with close working relationships with clients to develop detailed briefs.

10 property types

Single-Family Homes

Offices

8 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
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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

For 19 years the team of professionals at Tonkin Liu have been designing and delivering highly acclaimed buildings, landscapes, and sculptures. Together they solve the unique needs of their ambitious clients through an emphatic search for optimal design solutions.

14 property types

Single-Family Homes

Flats / Lofts

8 types of work

Extension

New Build

3 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

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