Builders in Southampton You Can Trust
Expert Carpentry Services Southampton
Loft Conversions & Extensions Southampton
30
years
30 years of building and carpentry experience, delivering high standards at competitive prices.
Welcome to Caws Carpentry & Building Services.
trusted, professional, and local.
If you’re looking for a builder you can rely on, Caws Carpentry & Building is here to help.
With over 30 years of experience, we deliver quality workmanship across extensions, loft conversions, kitchens, bathrooms and full home refurbishments.
As trusted builders in Southampton, we provide clear advice, honest pricing, and complete project management from first consultation to final handover.
Call 02380 471052 to discuss your project and request a free, no-obligation quote.
Get in touch with us today at 02380471052
To discuss your project and request a free, no-obligation quote.
End To End Building Services
At Caws Carpentry & Building, we deliver complete building services tailored to each home and client.
From structural works to final finishes, every project is managed with care, communication and attention to detail.
Our team is known for reliable delivery, quality craftsmanship and practical solutions that add long-term value.
Why Choose Our Master Builders?
At Caws Carpentry & Building, we understand the importance of choosing the right builder for your project. master builders in Southampton we bring a combination of skill, experience, and dedication to every job, ensuring quality results and a smooth process from start to finish.
Over 30 Years of Experience
Decades of experience across extensions, conversions, renovations and bespoke residential projects.
Accredited Master Builders
We are recognised by leading trade bodies, reflecting our commitment to high professional standards.
Comprehensive Services
From lofts and extensions to kitchens, bathrooms and refurbishments, all services are managed under one roof.
Transparent Pricing
Clear, detailed quotations with no hidden surprises.
Customer First Approach
We focus on communication, reliability and high-quality results that match your goals.Our Comprehensive
Building Services
We provide expert building and renovation services for homeowners across Southampton and surrounding Hampshire areas.
Our team manages each project carefully from planning through to completion.
Our Process
1
Initial Consultation
We start by understanding your needs. Whether it’s a one-off job or a full project, we discuss your requirements, budget, and timelines.2
Site Survey & Assessment
Our team visits your site to assess existing conditions, check technical details, and identify any potential challenges.3
Proposal & Quotation
Based on the survey, we prepare a detailed proposal with clear scope, timelines, and costs no hidden surprises.4
Planning & Design
For larger projects, we create drawings, layouts, and technical plans to ensure compliance and efficiency.5
Project Execution
Our engineers and technicians carry out the work with safety, quality, and minimal disruption as top priorities.
Quality Check & Handover
Once completed, we test, inspect, and verify everything before handing the project over to you.
Achieve Quality Craftsmanship for Your Project in Southampton
At Caws Carpentry & Building, quality is at the heart of every project.
Our experienced team combines proven building methods with modern solutions to deliver excellent finishes across extensions, refurbishments, kitchens, bathrooms and new build work.
If you’re planning a project, contact us for a free consultation.
Kitchens and Bathrooms
Tailored to You
We specialise in kitchen renovations and bathroom fitting, creating bespoke spaces tailored to your style and needs. Our team works closely with you to create functional and aesthetically pleasing spaces that enhance your home and lifestyle. We understand that modest kitchens and luxury bathrooms are central to daily living, and we ensure every element, from fittings to finishes, is executed with precision and care to reflect your personal taste.
Transforming Houses
into Homes
As Accredited Master Builders in Southampton with over 30 years of experience, we deliver meticulously vetted quality on major projects like extensions and conversions. Our approach goes beyond just structural work—we create homes filled with character, comfort, and lasting value. Every building project we undertake is crafted with care by our skilled local team, ensuring your house becomes the home you’ve always envisioned. We focus intensely on bringing your unique vision to life, seamlessly combining functionality with intelligent architectural design. We ensure that every detail, from spatial layout to premium finishes, contributes to a warm, energy-efficient, and practical living environment, guaranteeing satisfaction with your investment.
Sustainable and Efficient Practices
We are committed to sustainable structure, using environmentally friendly materials and efficient methods to reduce our environmental impact while delivering quality results. Our team priorities energy-efficient solutions, waste reduction, and responsible sourcing of materials to ensure that every project not only meets the highest standards of craftsmanship but also contributes to a greener future.
Gallery
Explore our gallery to see the quality craftsmanship we bring to every project, from stunning extensions to bespoke kitchen installation
and well designed bathrooms. Let our completed work inspire your next home transformation.
AREAS WE COVER
Southampton
Eastleigh
Winchester
Hedge End
Bishops Waltham
Twyford
Sparsholt
Romsey
New Forest
Alresford
Denmead
Durley
Wickham
Based in Southampton, Proudly Serving Hampshire
At CAWS Carpentry, we’re a builder and carpentry company based in Hampshire, offering expert services across the region and surrounding areas for many years. Our main office is in West End, Southampton, at 47 Holly Gardens, SO30 3RU, and we serve locations such as Southampton, Winchester, Portsmouth, and the New Forest. We’ve built a strong local presence by delivering quality work and earning the trust of the communities we serve. Our core service area covers several key regions, with experience in both urban and rural settings. From family homes in West End to properties in the scenic towns of Winchester and Portsmouth, we’ve likely worked near your neighborhood. Whether it’s custom carpentry, decking installations, or other services like home extensions, loft conversions, roofing, bathroom and kitchen installations, refurbishments, and general building work, our team is well-versed in the local property styles and needs.
We also extend our services to nearby counties, broadening our reach beyond the local area. If you’re in one of these districts, we’re probably familiar with the local landscape and the specific challenges each project might face. Our team of builders and carpenters, all local to the areas they serve, understands the materials, styles, and requirements that make every job unique.
FAQ’S
How much does a house extension cost when using Builders in Southampton?
As Southampton Builders, we know project cost is the first question. Every extension is unique, so the final price depends on crucial factors like size, materials (e.g., bespoke glazing vs. standard windows), and overall design complexity. To give you an exact, reliable figure, we provide clear, detailed, and itemized quotations after a site survey. This ensures you fully understand your investment before any construction work begins. Contact us today for a free, no-obligation consultation.
Do you provide free consultations before starting a project?
Yes, we offer an initial consultation at no charge. During this stage, we take the time to learn about your ideas, discuss practical design options, and outline a clear plan before moving forward.
How long does a typical loft conversion take to complete?
On average, a loft conversion can be completed within 6 to 8 weeks. The exact timeframe depends on the complexity of the design as well as any required structural adjustments. In every case, we agree on a realistic schedule before work begins.
Are you a member of the Federation of Master Builders (FMB)?
Yes, we are fully vetted members of the Federation of Master Builders (FMB), which means our work has been independently inspected to meet the highest industry standards.
Is CAWS Carpentry & Building fully insured and accredited?
Absolutely. Our team holds full insurance and the necessary trade accreditations. As a result, clients enjoy complete peace of mind, knowing their project is in safe hands from start to finish.
Do you offer carpentry and building services across Hampshire?
Yes, we cover the entire county, from small towns to larger city projects. In addition, we are well regarded among the building community Southampton, known for delivering high-quality property improvements.
Do your builders handle the entire project, including specialist finishing and decorating?
Absolutely. As trusted Master Builders, CAWS Carpentry provides complete, end-to-end project management. We manage every stage—from structural work like extensions, loft conversions, and new kitchens, right through to preparing for the final finish. While our core expertise is building and carpentry (with over 30 years experience), we manage all required trades. If you are searching for services like a wallpaper fitter near me to complete your new room, we will happily integrate and manage trusted local specialists to ensure every detail of your project is completed flawlessly and on time.
How much do builders in Southampton charge per day or per project?
Builders companies in Southampton typically charge £150 to £300 per day, based on experience and project scope. For fixed-price projects, small jobs start from £500, while extensions or loft conversions range from £20,000 to £60,000+. Prices vary by project size, materials, and builder expertise.