For most home projects, architectural services are appointed in stages, rather than all at once.

This allows you to:

• Stay in control of costs

• Review progress before moving forward

• Tailor services to suit your needs

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Some stages may be combined or omitted depending on the size and complexity of the project.

Different types of projects need different levels of architectural input.

Below is a practical guide to how the RIBA Plan of Work is usually applied for common domestic projects.

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EXTENSIONS​

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We design bespoke house extensions that enhance how your home works—adding space, light and connection to the garden while respecting the existing building and regularly assist with:

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• Single and double-storey extensions

• Rear and side extensions

• Internal reconfiguration

• Contemporary additions to traditional homes

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Extensions are typically straightforward but still benefit from clear structure.

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• Stages 1–3: Survey the house, confirm the brief, develop a design and deal with planning

• Stage 4: Produce technical drawings so builders can price and construct accurately

• Stage 5: Optional site involvement, useful where work affects the existing home

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Most extension projects combine stages and are appointed in parts.

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RENOVATIONS + ALTERATIONS​

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For homeowners updating existing properties, we offer design-led solutions that seek to improve flow, comfort and energy efficiency, while retaining (or, on occasion, completely changing) the character of the building.

 

Renovations involve more unknowns, particularly in older properties so the scope of services tends to widen.

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• Stage 1: Measure and understand the existing building

• Stages 2–3: Develop a design that is realistic, coordinated and cost-aware

• Stage 4: Detailed information to minimise variations and delays on site

• Stage 5: On-site support to manage changes and workmanship

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Clear drawings and early investigation reduce risk during construction.

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ONE-OFF NEW HOMES​

 

We design bespoke new homes tailored to individual sites and lifestyles, from early concept through to detailed construction information

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New-build homes are more complex and usually follow the full RIBA plan of work.

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• Stages 0–1: Assess site constraints, planning strategy and budget

• Stages 2–3: Develop the design and obtain planning approval

• Stage 4: Prepare full technical information for pricing and construction

• Stages 5–6: Site involvement, inspections and handover

• Stage 7: Optional post-completion review

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A structured approach helps manage cost, quality and compliance.

Most homeowners do not appoint every stage from the outset. Instead, services are typically agreed in clear, practical steps.​

Common appointment patterns include:

• Stages 1–3: Brief development, design and planning approval

• Stage 4: Technical drawings and specifications so builders can price accurately

• Stage 5: Optional site involvement to help maintain quality and resolve issues

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This staged approach allows costs to be controlled and decisions to be reviewed before moving forward.

Throughout every stage, the focus is on realistic design, clear information and buildable solutions.

This means:

• Designing to an agreed budget, not beyond it

• Developing layouts and details that are practical to construct

• Producing clear drawings to reduce assumptions and variations

• Coordinating information early to avoid problems on site

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Good preparation and clear communication are the most effective ways to manage cost and achieve a high-quality result.

The RIBA Plan of Work is a practical framework, not a fixed formula. Services can be tailored, combined or phased to suit the project and budget.

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An initial consultation is often the most effective way to agree the right scope of services and next steps.