What does a house extension architect do?

We develop the design for your extension, help shape the layout, and make sure the new space works with the existing building. That can include improving light, access, room proportions, and the overall look of the finished home.

Can you help with both small and large extension projects?

Yes. We work on smaller domestic schemes such as single-storey extensions, and we also bring experience from much larger architectural projects. That range helps us approach each brief with the right level of detail and ambition.

How do I know if an extension will suit my home?

The first step is understanding what you need the extra space to achieve. We look at your existing layout, the character of the property, and the opportunities on the site to judge what kind of extension is likely to work best.

A general interior view of a lounge open-plan Kitchen painted white, with a TV media wall,

House extension architects in Berkshire with Safe Contractor accreditation

Award-winning practice. ISO 9001 and ISO 14001 certified. From single-storey plans to major builds

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The difference you'll notice as the plans take shape

Big-project thinking for home spaces

We bring experience from a diverse architectural portfolio to domestic extensions. That gives your project a broader design perspective from the start.

Standards that support confidence

Our ISO 9001 and ISO 14001 accreditations reflect structured working practices. You know your project is being handled with care and consistency.

Designs that respect the original building

We focus on how new space meets the home you already have. The result feels intentional, not like an afterthought.

Thoughtful extensions that change how you live

House extension architects need to do more than draw extra square footage. We shape spaces that work harder for daily life, from brighter kitchens to better links between old and new rooms. Yell Architects bring that thinking to projects across Berkshire, with experience that stretches from modest home improvements to major architectural commissions.

A single-storey rear extension can open up family space and improve flow without forcing you to move. A larger two-storey addition can create room for growing households while respecting the character of the original building. We guide the design process with a high-end eye for detail, so your extension feels settled, practical, and worth the investment.

Beautiful dining kitchen area in a modern house - architecture concepts

Modern living room with large windows and view on a autumnal garden

Design work backed by broad architectural knowledge

With a portfolio that spans many project types, we bring a wider design perspective to domestic extension work. That matters when your home needs more than a simple box on the back, especially if scale, setting, or layout need careful handling. We can help you think through proportions, natural light, circulation, and how new spaces connect with the building you already have. Our long architectural roots support clear decision-making when a project calls for ambition as well as restraint. You can also explore our gallery to see how strong design ideas translate into finished spaces.

Our projects