Are you looking for trusted house extension builders in Fareham, Gosport, or Portsmouth? At Phillips Building Contractors Ltd, we specialise in kitchen extensions, garage conversions, and full home extensions across Hampshire, including Waterlooville, Havant, and nearby towns.

Why Choose Phillips Building Contractors for Your Extension?

• Over 20 years’ experience in building and home improvement
• Based in Fareham and working across all surrounding areas
• Fully insured, qualified team with trade backgrounds
• Clear, honest pricing with free written quotes
• End-to-end project management – from design to finish

What House Extension Services Do We Offer?

At Phillips Building Contractors Ltd, we provide a full range of house extension services across Fareham, Gosport, Portsmouth, Havant, and surrounding Hampshire areas. Whether you need a small kitchen extension or a large two-storey addition, we’ve got you covered from start to finish.

Our home extension services include:

• Rear Extensions & Side Return Extensions
  Maximise garden space and create an open-plan kitchen or lounge with our professionally built rear and side return extensions – ideal for growing families in Fareham and Gosport.
• Kitchen Extensions & Dining Room Knock-Throughs
  We specialise in creating bright, modern kitchen-diner spaces by removing walls and building out – perfect for homes in Portsmouth, Lee-on-the-Solent, and nearby towns.
• Loft Conversions & Dormer Extensions
  Turn unused loft space into bedrooms, home offices, or en-suites. We carry out full loft conversions and dormer builds across Waterlooville, Havant, and Portchester.
• Double-Storey Extensions
  Add real space and value to your home with a two-storey extension – extra bedrooms upstairs and more room downstairs. Planning help and building control included.
• Garage Conversions
  Transform your unused garage into a new living room, office, or bedroom. Ideal for clients in Locks Heath, Park Gate, and Titchfield looking to add usable space.
• Full Build Package: Brickwork, Roofing, Plumbing, Electrics & Finishing
  We handle everything – from the foundations and structure to the final plaster and paint. One team, one point of contact, full project management.

Want to know more about our extensions in your area?

We’re your trusted local builder for house extensions in Fareham, Gosport, Portsmouth, and across southern Hampshire.

Get a free quote today.

Areas We Cover for House Extensions in Hampshire

Phillips Building Contractors Ltd proudly delivers high-quality house extensions across Hampshire. We are based in Fareham and work with homeowners, landlords, and developers throughout the local region.

We regularly complete extension projects in:

• Fareham – rear extensions, side returns, kitchen knock-throughs
• Gosport – garage conversions and single-storey extensions
• Portsmouth – double-storey builds and open-plan renovations
• Waterlooville – loft conversions and dormers
• Havant – kitchen extensions and utility rooms
• Titchfield – traditional brickwork extensions in conservation areas
• Portchester – full home refurbishments with extensions
• Stubbington – bungalow conversions and family extensions
• Lee-on-the-Solent – rear builds and seafront property upgrades
• Park Gate – wraparound extensions and garage builds
• Locks Heath – knock-through kitchen diners and garden rooms

If your area isn’t listed, don’t worry – we also cover surrounding villages and towns across southern Hampshire, Dorset, Wiltshire, West Sussex and Surrey. Wherever you are, we can quote.

Local Builder – Local Knowledge – Local Trust

Call Phillips Building Contractors Ltd today for expert advice and a free quote on your next home extension project.

Contact us

For any enquiries or to request a quote, please fill out the form below or give us a call on 01489332101