Transform Your Home with a Trusted Plymouth Architect

Looking to extend your home in Plymouth? At Notion Architects, we specialise in designing high-quality house extensions that add space, value, and long-term functionality to your property.

Whether you're planning a rear extension, side return, or a full remodel, we guide you from initial ideas through to planning approval and construction.

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Why Choose Notion Architects for Your Extension?

Designing a house extension is a major investment. You need an architect who understands both design and the local planning landscape.

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We help homeowners across Plymouth to:

• Maximise space without compromising layout

• Navigate planning permission with confidence

• Avoid costly design mistakes early

• Create extensions that feel like a natural part of the home

Our approach combines creative design with practical delivery, so your project works on paper and on site.

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Our House Extension Services in Plymouth

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We offer a complete architectural service tailored to residential extensions:

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Rear Extensions

Perfect for open-plan kitchen living spaces, connecting your home to the garden.

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Side Return Extensions

Unlock unused space to dramatically improve ground floor layouts.

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Double Storey Extensions

Add bedrooms, bathrooms, and significant value to your property.

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Wraparound Extensions

A combination approach for maximum transformation.

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Internal Reconfiguration

Rework your existing layout to complement your extension.

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Planning Permission for Extensions in Plymouth

One of the biggest concerns for homeowners is planning approval.

We manage the full planning process for you, including:

• Feasibility studies

• Planning drawings

• Submission to Plymouth City Council

• Design revisions if required

Many extensions fall under permitted development, but we’ll advise you clearly from the outset so there are no surprises.

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How Much Does a House Extension Cost in Plymouth?

Costs vary depending on size, complexity, and specification, but as a general guide:

• Single storey extension: £2,000–£3,000 per m²

• Double storey extension: £1,800–£2,500 per m²

• High-spec or complex projects: £3,000+ per m²

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We help you design within your budget and can advise on where to invest for the best long-term value.

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Our Process

We keep things simple and transparent:

1. Initial Consultation

We discuss your ideas, budget, and feasibility.

2. Concept Design

We develop layout options and explore the best use of space.

3. Planning & Approvals

We prepare and submit your application.

4. Technical Design

Detailed drawings for building regulations and construction.

5. On-Site Support

We can assist during construction to ensure the design is delivered correctly.

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Recent Extension Projects

We’ve worked on a range of residential projects across Plymouth and Devon, helping homeowners transform how they live in their homes.

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Our designs focus on:

• Natural light

• Flow between spaces

• Practical, buildable solutions

• Long-term adaptability

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Why Homeowners in Plymouth Choose Us

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• Local knowledge of planning policies

• Clear, practical advice from day one

• Modern, thoughtful design approach

• Strong track record with residential projects

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We’re not just designing extensions—we’re helping you make the most of your home.

Start Your House Extension Project

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If you're considering a house extension in Plymouth, we’d be happy to help you explore your options.

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Get in touch today to discuss your project and take the first step towards transforming your home.

Book a consultation with Notion Architects →