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Do I Need an Architect for My Extension?

March 2025ยท5 min read

It's one of the first questions homeowners ask: "Do I need to hire an architect?" The answer depends on your project โ€” but you may have more options than you think.

When You Need Architectural Drawings

Almost every extension project requires architectural drawings โ€” detailed plans showing the proposed layout, dimensions, and construction details. These are needed for:

Planning permission applications (if required)
Building Regulations submissions
Structural engineer calculations
Your builder to price and construct the project accurately

But You Don't Necessarily Need an Architect

There's an important distinction: you need architectural drawings, but you don't necessarily need a chartered architect to produce them. Drawings can be prepared by:

Chartered Architect (RIBA)

Fully qualified, ideal for complex or bespoke designs. Typically the most expensive option.

Architectural Technologist

Specialises in the technical side of building design. Often more affordable than a chartered architect.

Architectural Designer

Experienced in residential design without full RIBA qualification. Good for standard extensions.

Design & Build Company

Companies like ours handle design and construction together โ€” one team, one contract, one point of contact.

The Design & Build Advantage

Our Design & Build service handles everything under one roof โ€” from initial design and architectural drawings through to structural engineering, planning applications, and construction. This means:

No need to find and coordinate a separate architect
Drawings are produced by people who understand how to build
Potential issues are identified at the design stage, not on site
One contract, one point of contact, one responsibility
Often faster and more cost-effective than hiring separately

When You Should Consider a Chartered Architect

For complex, high-value, or architecturally ambitious projects โ€” such as listed building alterations, large new builds, or projects with challenging planning constraints โ€” a chartered architect's expertise can be invaluable. For most standard house extensions, loft conversions, and garage conversions in Essex, our Design & Build service provides everything you need.

Let Us Handle the Design

Our Design & Build service covers drawings, planning, and construction โ€” all under one roof.