ARCHITECTURAL DESIGN SERVICES
House extension architects in Petersfield
Need more space but don’t want to move? We design thoughtful, beautifully crafted house extensions for homeowners in Petersfield and the South Downs area.
Whether it’s an open-plan kitchen, a new home office, or extra room for a growing family, we’ll help you reimagine your home with space that works better for everyday life — and looks great too.
Extensions designed around you
Space shouldn’t limit how you live — and with the right extension, you can have the house of your dreams.
We design everything around your needs and how you use your home. From subtle single-storey additions to bold transformations, our extensions are carefully planned to feel natural, functional and full of light.
If you’re based in Petersfield, Liss, Rogate, East Meon or surrounding villages, we’d love to help bring your ideas to life.
Kitchen architects

GRK architecture offers a transformative approach to kitchen extensions, seamlessly blending functionality with aesthetic appeal to create spaces of unparalleled beauty and utility.
We specialise in designing kitchen extensions that truly feel like a natural part of your home. Our goal is to create welcoming, social spaces that effortlessly blend style with everyday practicality.
From carefully planning the layout to maximise space and flow, to incorporating large windows or glazed doors that flood the room with natural light, we focus on making your kitchen a bright, inviting heart of the home. Whether you want a lively family hub or a cosy space to cook and entertain, we’ll work closely with you to bring your vision to life in a way that suits your lifestyle and complements the character of Petersfield homes.



Single story extension architects
A thoughtfully designed single-storey extension can transform the way you live, opening up your home to new possibilities and enhancing your connection to the outdoors.
Whether you’re dreaming of a quiet reading nook bathed in garden views, a spacious family room for relaxing and entertaining, or a practical addition like a utility or playroom, we tailor each design to fit your needs. Our extensions are designed to blend seamlessly with your home’s existing style while respecting the charm and character of the Petersfield area and surrounding countryside.
We’ll guide you through the whole process, from initial ideas and planning to detailed design and construction management, ensuring your extension feels just right
Double story extension architects
When you need more space but want to stay in the home you love, a double-storey extension can be the perfect solution.
Whether it’s adding extra bedrooms and bathrooms for a growing family, creating larger communal spaces, or both, our designs focus on maximising every inch of your home’s potential. We pay close attention to how the new and existing parts of your house connect — inside and out — to ensure a natural flow, plenty of light, and a cohesive look that fits with the Petersfield surroundings.
We also handle the complexities of planning permission and technical requirements, so you can enjoy a smooth, stress-free journey from start to finish.


Book your free consultation.
Let’s explore the potential of your home in Petersfield — and start the journey towards a space that truly reflects how you want to live.
Book your free consultation at your home in Petersfield — we’ll come to you, listen to your ideas, and help bring your vision to life.
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Call Us 0330 043 0073
We handle every aspect of your project with meticulous attention to detail.
Designing your dream space is just the beginning. We also handle the behind-the-scenes complexities, from navigating local planning regulations to producing technical documentation ready for builders to work from. Whether your home sits within the South Downs National Park or under East Hampshire District Council, we’ll make sure everything runs smoothly.
We treat every project with the care and dedication it deserves, guiding you every step of the way and delivering a process that feels as seamless as the final result.

Planning Permissions
We’ll advise you on what’s possible for your property in Petersfield and handle the entire process from start to finish, whether you need a Permitted Development Certificate or full planning permission, we are here to help you.

Architectural Designs
Every home and homeowner is different — that’s why everything we create is entirely bespoke. We’ll develop a full set of plans and detailed 3D visuals so you can see exactly how your space will look and feel before work begins.

Technical Documentation
We prepare all technical specifications, construction drawings, and building regulations documents needed to bring your design to life with confidence and clarity — setting the groundwork for a smooth and accurate build.