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Services: Architecture and Interior Design, London

Design that begins before the drawings.

A complex property needs more than a set of drawings.

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Whether you are considering buying a house, restoring a listed building, transforming an existing home or carrying out a substantial full house refurbishment in London, the important decisions often happen before construction begins.

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Phasezero brings architectural design, interior design and construction knowledge together, so the building is considered as a whole from the beginning.

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We work primarily with substantial residential projects, historic and listed buildings, and properties where the design, technical and construction decisions need to work together.

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Property Feasibility & Strategy

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Understand what a property can become before you commit to it.

Before buying or embarking on a major renovation, we assess the opportunities, constraints and potential risks of a property.

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We can investigate planning considerations, the existing building, layout possibilities, heritage constraints, structural and technical implications, likely construction complexity and the relationship between your ambitions and the available budget.

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The result is a clearer understanding of what is realistically possible before significant money is committed to design or purchase.

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Typical projects

  • Property feasibility before purchase

  • Whole-house renovation strategy

  • Development and refurbishment potential

  • Listed and historic property assessment

  • Initial budget and scope review

  • Design and planning strategy

Architectural Design

Transform the building without losing sight of how it needs to work.

Our architectural design work starts with understanding the existing building, its structure, proportions, light, history and constraints.

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We develop designs that respond to the property rather than imposing a predetermined style, while considering how spaces connect, how they will be built and how they will be experienced.

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Our involvement can extend from the earliest concept through planning, technical design and construction.

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We can provide​

  • Concept design

  • Spatial planning and layouts

  • Extensions and alterations

  • Planning Application

  • Technical design

  • Building Regulations drawings

  • Construction information

  • Coordination with structural and building services consultants

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Historic & Listed Buildings

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Work with the building, not against it.

Historic buildings require a different level of care.

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We look at what is already there, including proportions, materials, craftsmanship, alterations and the way the building has evolved over time, before deciding what should change.

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Our work can involve listed buildings, historic homes, period properties and substantial restorations where contemporary requirements need to be carefully integrated with the existing character.

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The aim is not to freeze a building in time, but to understand what makes it valuable and make considered changes that allow it to work for the future.

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Our work includes

  • Listed building projects

  • Historic building restoration

  • Heritage-sensitive alterations

  • Planning and heritage coordination

  • Coordination with specialist consultants and craftspeople

Interior Architecture & Design

The interior is developed as part of the architecture, not added afterwards.

We design interiors as part of the building as a whole.

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Layouts, lighting, materials, joinery, finishes and furniture are considered alongside the architecture, services and construction rather than as separate decisions.

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Our approach is highly individual. We are interested in natural materials, colour, texture, craftsmanship, light and the way a space feels and functions in everyday life.

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We can develop

  • Interior layouts

  • Material and finish palettes

  • Bespoke joinery

  • Kitchens and bathrooms

  • Furniture and decorative selections

  • Architectural detailing

  • Stone, timber and metalwork specifications

  • Bespoke elements and specialist finishes

  • Procurement and installation coordination

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Construction & Project Management

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Design decisions need to survive contact with the building site.

Our construction experience is an important part of how we approach design.

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We understand that buildings rarely behave exactly as expected. Existing structures reveal surprises, details need adapting, products change, and decisions have to be made quickly on site.

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We coordinate the design and construction process so that practical solutions can be found without unnecessarily compromising the original intention.

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Depending on the project, our involvement can include:

  • Contractor coordination

  • Construction planning

  • Site inspections and meetings

  • Design coordination

  • Technical problem solving

  • Programme and budget monitoring

  • Coordination of specialist trades

  • Resolving unforeseen site conditions

  • Protecting design intent during construction

Procurement & Final Detail

The quality of a project is often decided by the details nobody notices immediately.

Materials, fittings, hardware, lighting, sanitaryware, joinery, stone and specialist finishes all need to arrive at the right time and work together.

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We coordinate procurement alongside the design and construction process, working with trusted suppliers and specialist makers where appropriate.

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This allows the final specification to remain connected to the design rather than becoming a series of last-minute substitutions.

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Procurement can include

  • Supplier sourcing

  • Product research

  • Bespoke joinery coordination

  • Stone and specialist finishes

  • Lighting and sanitaryware

  • Furniture and decorative elements

  • Order coordination

  • Installation coordination

  • Final styling and detailing

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One project.
One coherent process.

The advantage of bringing these services together is not simply convenience.

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It means that a planning decision can be considered alongside construction cost. A structural intervention can be developed alongside the interior. A joinery detail can be designed with the person who will eventually build it. A historic feature can be protected while the property is adapted for contemporary life.

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The result is a more connected process from the first conversation to the finished space.

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Discover

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We understand the property, your ambitions, the constraints and the opportunities.

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Define

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We establish the scope, priorities, budget and strategy before developing the design.

 

Design

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Architecture, interiors, materials and technical requirements develop together.

 

Develop

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Planning, heritage, technical information, consultants, procurement and construction decisions are coordinated.

 

Deliver

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We remain involved through construction, resolving problems, coordinating decisions and carrying the design through to the finished details.

Looking at a property?

If you are considering buying, renovating or substantially transforming a property, the first step does not need to be a full design commission.

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A feasibility study can establish what the property could realistically become, what constraints may affect it and where the significant costs or risks are likely to sit.

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Start with the property. Then decide how far to take the design.

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