Architecture & Design
Interior Architecture in London
Interior architecture is about how space, light and detail work together inside a home — not decoration alone. We plan interiors and design the joinery, stairs and key details that make a refurbishment feel considered, coherent and complete.
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Practice leadership
Eyal Moran, Director and Lead Architect, is an ARB-registered architect, leading design judgement, planning strategy and technical coordination across client projects.
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The short answer
What is interior architecture?
Interior architecture is the permanent, spatial layer of a home — how rooms, circulation and daylight work, and how joinery, stairs, thresholds and materials are resolved. Unlike decoration, which styles a finished room, it shapes the decisions built into the fabric and coordinated with structural and building-regulations drawings, so a refurbished interior feels calm, coherent and intentional.
Architecture-led interiors and space planning
Interior architecture sits between spatial planning and interior design. It is concerned with how rooms relate, how circulation and daylight work, where storage lives, and how junctions, joinery, stairs and thresholds are resolved. Done well, it is what makes a refurbished home feel calm and intentional rather than simply redecorated. Space planning is part of this service: we are happy to test and improve a layout as a focused, standalone piece of work — reworking how rooms, circulation and light fit an awkward footprint before you commit to planning or construction — as well as carrying that plan through to full interior detailing.
Coordinated to the technical drawings
We coordinate interior detail with the structural and building regulations information — and with kitchen designers, lighting designers and specialist makers where involved — so the interior intent survives construction rather than being value-engineered away on site.
Interior architecture, not interior decoration
It helps to be clear about what this is. Interior architecture is the permanent, spatial layer of a home — walls and openings, levels and circulation, joinery, stairs, the way light is brought in and how one material meets another. Interior decoration — soft furnishings, loose furniture, styling and colour schemes — sits on top of it. The two work best together, and we are happy to work alongside an interior designer, but our role is the architecture of the interior: the decisions that are built in and expensive to change, rather than the ones that can be restyled later.
Joinery, storage and the fitted home
Much of what makes a home feel resolved is bespoke joinery and considered storage: wardrobes, bookcases, window seats, utility and boot rooms, and the concealed cupboards that keep daily life out of sight. Designed as part of the architecture, joinery can square off an awkward room, hide structure and services, and give a period house the storage it was never built with. We design and detail this cabinetry properly and coordinate it with the makers, so it fits the room as drawn and reads as part of the building rather than furniture pushed against a wall.
Light, materials and the detail that reads as quality
The difference between an ordinary interior and a memorable one is usually in the detail you do not consciously notice: layered lighting that suits both cooking and a quiet evening, a restrained material palette carried consistently through the home, and the careful resolution of junctions — reveals, shadow gaps, flush thresholds and the meeting of floor, wall and joinery. We design these deliberately and draw them so they are built as intended, because it is precisely this quiet, consistent detailing that makes a refurbished home feel calm and intentional.
What we produce
Typical deliverables
- Spatial planning and layout design
- Joinery and built-in storage design
- Stair, kitchen and bathroom design
- Lighting and materials coordination
- Detailed interior drawings
- Integration with structural and building regulations information
London-specific
What to keep in mind
- Period homes need detailing that respects existing proportions and features
- Listed interiors may require consent for internal change
- Acoustic and fire detailing matters in flats
- Service routing and structure constrain joinery and layouts
How the process works
From first call to completion
Spatial planning
We organise rooms, circulation and light.
Detailed design
We design joinery, stairs and key details.
Materials & lighting
We coordinate finishes and lighting.
Coordination
We align interior detail with technical drawings.
Considering this for your property?
Tell us the address and a short description of the work. We will advise which drawings, approvals and consultant inputs your project is likely to need.
Avoiding pitfalls
Common risks & mistakes
- Treating interiors as a late, separate add-on
- Specifying joinery without resolving services behind it
- Altering a listed interior without checking consent
- Leaving lighting design to the electrician on site
Frequently asked questions
How is interior architecture different from interior design?
Can you design joinery and stairs?
Do internal changes need consent in a period home?
Do you work with kitchen and lighting specialists?
Can interior architecture be a standalone appointment?
How much does interior architecture cost?
How long does an interior architecture package take to design?
Explore further
Related services, areas and guides
Related services
Related areas
Helpful guides
Discuss your project
Tell us about the property, location and the work you are considering. We will advise which architectural drawings, approvals or consultant inputs are likely to be needed.
Areas
Interior Architecture across London
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North London
Central London
West & South West London
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Published local service pages appear above. Where a service-specific page is not yet published, these links lead to the public neighbourhood hub rather than an unpublished or generic local-service page.