Winchester Design & Build

Residential Architect

Planning, Design & Construction

We devote our expertise to house extensions, remodelling, renovations, loft conversions, barn conversions, MCS supported installations and new high end home developments.

Planning – Design – Build

We are award-winning Architects.

With our professional team, we manage all areas of certification including ARB, RIBA and RICS in architecture, RTPIin planning, SBID and BIID in interior design, and our contractors hold NHBC and MCS certification for renewable energy installations.

Transform your home with a beautiful functional design.

Why Choose Winchester Design & Build?

When you appoint us, you benefit from over 42 years of combined experience across every scale and budget. From modest three-metre extensions to luxury new builds, our accredited expertise in architecture, planning, construction and interior design ensures enduring value and excellence in-house reliability on every project.

Innovative Solutions for Modern Living

As part of our service, we integrate renewable energy systems, smart home technology and passive-house principles into every project. These enhancements create a sustainable, efficient and future-ready home that reduces running costs, improves comfort and saves you thousands over the long term, all while remaining entirely tailored to your lifestyle, design preferences and budget.

Our experience with Winchester Design & Build was seamless and reassuring

Dr Howden, Bishops Waltham​

Planning Permission

Barn Conversions

Conservation Rebuilds & Rennovation

Extensions & New Builds

When we design a home, we take pride in creating beautiful spaces that bring families together.

Your Vision, Our Passion

Choosing Winchester Design & Build means partnering with a dedicated team that is passionate about your unique vision. Whether you dream of a stunning kitchen, a cozy living room, a tranquillity bathroom space or a spacious loft conversion, we are here to make it a reality.

Book Your Free Consultation Today!

Take the first step toward your architectural journey. We offer consultations at your home or in our convenient offices in Winchester, Alresford, or Petersfield. Investing in your home is a significant decision, and our expert team is here to guide you through the process.

Experience Exemplorary Architectural Design

Feel the Confidence of a Truly Informed Planning Strategy

Discover the Value of Outstanding Project Management

Grade II Listed Renovation & Garage Conversion Annex Alresford Hampshire

Winchester Design & Build successfully delivered the full architectural design, planning consultancy and construction management for the renovation of Mews Cottage, a charming Grade II listed property within the Alresford Conservation Area. The project involved two key elements: Through strategic design, detailed heritage assessment and careful liaison with Winchester City Council’s Conservation Officer, planning consent and listed building approval were achieved

Luxury Kitchen Extension Tilford Surrey

Project Overview In 2024, Winchester Design & Build were commissioned by a private client in Tilford, one of Surrey’s most distinguished villages, to design and deliver the second phase of a transformative architectural project.The brief was simple yet aspirational: to create a contemporary rear extension that would serve as the social heart of the home,  a place to host clients, family

Georgian House Front Extension and Oak Porch, Alresford

Our client, a retired lady with exceptional taste, approached Winchester Design & Build to enhance her recently built Georgian-style home in Alresford. Though elegant in form, the property lacked individuality and depth. The brief was to introduce subtle craftsmanship, texture and proportion — creating a home with presence, personality and warmth. Project Overview Grid Client Private Homeowner, Alresford Property Type Georgian-style new

From Garage Conversion to Sustainable Two-Bedroom Annex, Bishops Waltham, Hampshire

Winchester Design & Build proudly presents The Coach House, a model of intelligent design and planning expertise in the historic market town of Bishops Waltham, Hampshire.This once redundant garage and stable block has been transformed into a sustainable two-bedroom annex, significantly enhancing both the functionality and value of the main dwelling. Delivered under planning consent 21/01223/HOU, this project demonstrates how strategic design, renewable

Rear Extension Winchester – Creating an Open Plan Kitchen & Dining Space

When our Winchester clients approached Winchester Design and Build, their vision was straightforward yet ambitious. They wanted to transform the rear of their traditional semi-detached house into a contemporary open-plan kitchen and living space that would provide the long-desired “wow” factor, a place to cook, dine, relax and enjoy family life.  Our brief quickly evolved beyond a simple extension. The clients

Restoration Project St Cross Winchester

Client: Anne & Julian Property: Three-storey townhouse, St Cross, WinchesterService: Project management, façade renovation, external repairs and redecorationTeam: Gary White of Winchester Design & Build – Senior Planning Consultant & Architect across Hampshire, Berkshire & Surrey  “Gary’s skilled team were friendly and 10 star Checkatrade rated builders, sympathetic and highly professional. Attention to detail went far beyond our most optimistic expectations. Whenever unforeseen work arose,

Renovation and change of use from Pub to Residential in Alresford

Transforming a Redundant Pub into a Luxury 7-Bedroom Residence At Winchester Design & Build, we specialise in unlocking the potential of heritage buildings across Hampshire Berkshire & Surrey. This landmark project on Pound Hill, Alresford demonstrates our expertise in pub-to-residential conversions, conservation architecture, and luxury home refurbishments. Once a well-known local public house, the property had fallen into disrepair. Gary White,

Renovation and Planning to Large Family Home in Wield, Hampshire

Client Vision and Appointment The owners of the Wield House Project, a five-bedroom property set within sixteen acres of prime Hampshire countryside, approached Gary White, Architectural Practitioner, Senior Planning Expert and Director of Winchester Design & Build, with a clear ambition – to transform a dated, moss-covered dwelling into a light-filled, energy-efficient, and architecturally distinguished family home. With now over

Kitchen Extension, Petersfield, South Downs National Park

When the owners of this characterful countryside home near Petersfield approached Gary White of Winchester Design & Build, their vision was to replace a narrow galley-style kitchen with a light, open family kitchen that better reflected their way of living. The original farmhouse, set within the highly protected landscape of the South Downs National Park, required not only design ingenuity