TO ALTER IS HUMAN

We alter the things around us because we are constantly changing ourselves. Our homes, workplaces, community spaces and local places to eat, meet and gather need to grow and adapt as the way we live changes. Buildings, like the people who inhabit them, are never truly finished. Architecture is therefore not only the act of making something new, but of engaging with what already exists—understanding its structure, material, history and occupation, deciding what to retain, what to transform and what to add. Alteration is not a lesser form of architecture or simply a technical exercise; it is an architectural act in its own right, and an opportunity to reveal, reinterpret and extend the potential of an existing place. Every intervention becomes another layer in the life of a building, connecting its past with an uncertain future. To alter is not to make old buildings new, nor to preserve them unchanged, but to allow them to continue—to ask, with care and imagination, what could this building become?

About ALTER Architects


ALTER Architects is a design-led architecture practice based in the United Kingdom, with studios in Brighton and Truro serving Sussex and Cornwall. We are ARB-registered architects designing residential, commercial, hospitality and cultural projects with the same care, craft and curiosity.

OUR APPROACH

We produce highly crafted and conceptually clear buildings with an urge to react to the surrounding physical environments we inhabit as human beings. As a practice of local architects, we look for progressive clients with an equal passion for design, architecture, and the environment. Aesthetics, innovation, and constant curiosity are what drives us to make our clients' ideas a reality. Our work is hallmarked by a deep connection to the landscapes we live in.

black board wall triangle

GUIDING PRINCIPLES

Architecture exists in constant dialogue with the environment it inhabits. Whether reimagining a family home, designing a new building from the ground up, or rehabilitating a community space, our sense of place for every project starts with the existing elements. Our work honours the connection between building and place. We produce highly crafted and conceptually clear buildings as an urge to react to the surrounding physical environments we inhabit. We work with clients whose passion for design, architecture and the environment equals our own.

suburban modern house vertical timber cladding

HOLISTIC DESIGN

Every project is an opportunity to find the connection between person, place, and planet and to exceed the expectations of our clients. The quality of our work reflects our innate appreciation for craftsmanship and technique. ALTER prioritises sustainable, durable materials and we combine traditional techniques with contemporary methods to create legacy designs.

horizontal cream brickwork

EXPERIENCE

We celebrate the co-existence of people, planet and place in all of our work, from new homes to public buildings. Our architecture and interior design services run from first sketch to handover, and every commission is shaped by the people who will use it. To discuss a project, get in touch with our studios or meet the team.

black metal agricultural cladding

ALTER’S ARCHITECTURAL DESIGN SERVICES

ALTER is a small, design-led practice with studios in Brighton and Truro. We offer the full range of architectural design services, and honestly, we don't separate them much in our heads. A new home, an extension, a commercial fit-out, a hospitality room or a cultural space: it's the same way of working each time. We take a job from the first chat, through planning and the technical drawings, to the day it opens. We're ARB-registered, and we care about the big idea and the door handle in equal measure.

ARCHITECTURE

Architecture is an essential bridge between people, community and the natural world. Our architecture services span new-build houses, home extensions, renovations and the careful adaptation of period and listed buildings. Well-designed buildings fulfil functional needs while reflecting and enhancing their surroundings, creating a unique identity that lifts wellbeing, comfort, adaptability and efficiency. At ALTER, every project is shaped by how people will live and work within it — so each building feels considered, generous and quietly remarkable.

We're a collaborative studio, so you'll deal with the people actually designing your building, not a sales team. We've taken on everything from a single-storey extension to a complete new home, and we handle the planning, the building regs and the construction so you don't have to. Residential, commercial or hospitality, the thread is always the same: buildings that work for the people who use them, and that are a genuine pleasure to be in.

modern timber house
metal folded archway public art
cream sandy brickwork buildings

INTERIOR DESIGN

We firmly believe everyone deserves to inhabit a functional, aesthetically considered space. Our interior design services are an integral part of how we work — treating architecture and interiors as one continuous idea rather than two separate commissions. As architects and interior designers we shape light, proportion, materials and detail so each room supports the way you really live. From kitchens and living spaces to whole-house interiors, we design environments that are warm, durable and unmistakably tailored to their owners, never decorated as an afterthought.

Our approach to interiors comes from the same place as our buildings. We think about how you move through a room, where the light falls, and how a material wears in over ten years. The aim is interiors that feel calm and have a bit of character, that suit the building they sit in rather than fighting it, and that make the everyday business of living, working or eating somewhere a little better.

oak floor black tiles modern design
metal furniture cafe grey
brick archway interior basement

SUSTAINABILITY & WELLBEING

Our design principles are firmly centred on improving both individual wellbeing and the health of the planet. We design sustainable architecture using a fabric-first approach — prioritising insulation, orientation, natural light and low-carbon materials before adding technology. Good design and environmental responsibility are not in tension; the most beautiful buildings are usually the most efficient, comfortable and enduring ones too.

The built environment is responsible for around 39% of global carbon emissions, so every design decision carries weight. We are enthusiastic advocates of adaptive reuse — believing it is an architect’s duty to extend the life of existing buildings wherever possible, rather than default to demolition. By renovating, extending and re-purposing with care, we reduce embodied carbon while creating homes and spaces with genuine character and a lighter footprint.

modern glass slot window roof
oak floor teak stair mid century
white minimal art gallery home