Design & Build Contractors Delivering Considered London Homes
As established design and build contractors in London, we deliver design-led extensions, renovations and loft conversions for homeowners who value careful planning and a well-managed build. Over 178 projects delivered across London since 2015 — end-to-end, under one roof.
Trusted Design and Build Contractors for London’s Finest Homes
As premium design and build contractors in London, we specialise in creating bespoke luxury renovations and new builds, paying close attention to superb craftsmanship and detail.
It’s your dream home, so we will do everything in our power to build it. From the initial contact to the very last part of your project, you can expect transparency, clear communication, and a considered, stress-free experience.
As trusted design and build contractors in London, we're known for our architectural and construction artistry, as well as unwavering professionalism, we are highly recommended by clients who value quality and reliability above all.
As members of the Federation of Master Builders, we operate with full insurance coverage of £5 million, ensuring that your project is delivered to the highest industry standards.
For over ten years, we’ve been committed to overseeing every stage of construction with precision, ensuring projects are delivered on time, within budget, and beyond expectations.
Book your Design and Build consultation and let’s transform your property with precision, style, and craftsmanship.
Established in 2015, S & M Solutions Ltd has become a respected design and build contractor operating across London.
Our portfolio includes loft conversions, extensions and full property refurbishments — from standard residential upgrades to complex schemes in conservation areas and listed buildings.
We’re known for disciplined delivery: rigorous planning, careful detailing and practical problem-solving at each stage, ensuring every project performs as intended and holds up to scrutiny.
Our approach combines technical understanding with hands-on experience across structure, services and finishing.
We manage projects methodically — aligning design, engineering and construction so that decisions are coordinated, risks are reduced and progress is predictable.
Clients come to us because we deliver well-built spaces, finished with care, and because we understand what it takes to get a project over the line properly.
S & M Solutions Ltd — built on knowledge, delivered with confidence.
Tell us about your project by phone, email or the form below. We'll ask about your vision, your timelines and the scope you have in mind. If it's a good fit, we'll arrange the next step. Every enquiry is reviewed personally.
We visit your property to assess the site, talk through design options and understand exactly what you want to achieve. It's a thorough, professional consultation — the groundwork that lets everything after it run smoothly, and it's where our design-and-build approach really comes into its own.
Once we're underway, work begins promptly. You'll have access to our online project portal to follow progress in real time, and we hold fortnightly on-site meetings so you're always informed — without ever having to chase.
We carry out a full walkthrough with you before handover. Building control sign-off, warranties, and aftercare instructions are all provided. Our commitment doesn't stop at practical completion.
Yes — in fact, that's where our design-and-build service works best. If you don't have drawings yet, we take your project through a pre-construction stage where we define the scope, design, budget expectations and build approach together, all under one roof. If you already have drawings, we'll price directly from them.
Yes. A proper site visit and an accurate, detailed written quote take real time and expertise, so this stage carries a fee — and we give it the same care as the work that follows. The fee covers the site visit and a full written quote. If you go on to build with us, half of it is credited back against your project invoice.
Every project is different, so we don't quote ballpark figures before understanding your site and scope — a number given too early is rarely accurate and helps no one. Once we've visited and discussed what you want to achieve, you'll receive a clear, detailed written quote with no surprises or hidden costs.
Timelines depend on the scope, design stage and any approvals your project needs. We'll give you a realistic timeframe once we understand the project, and we're honest about it rather than over-promising.
The simplest start is to get in touch via the form, phone or email. We'll review your enquiry personally and, if it's the right fit, arrange a site visit and consultation.
A Considered, Multi-Phase Transformation Location: Greenwich, SE10Property Type: Georgian Terraced HouseProject Type: Phased Design & Build RefurbishmentStatus: Ongoing – Further Phases Planned Overview Some projects don’t begin and end with a single contract. The best ones evolve – each phase carefully considered, each stage building...
You type “how much does a rear extension cost in London” into Google. A number comes back. Maybe a range. Maybe a neat price-per-square-metre figure that feels reassuring — concrete enough to build a budget around. And that’s exactly where the trouble starts. Online calculators...
Renovating a leasehold flat in London is a different proposition to a straightforward freehold house. On top of design and budget, you’re dealing with approvals, legal obligations, and coordination with parties you don’t control. Getting across this early saves time, avoids delays, and keeps costly...
This Blackheath project is one of our most ambitious residential transformations. It highlights the care, structural planning, and high-quality finishes we deliver in complex family home renovations. It’s a great example of our complete design and build skills in Blackheath and across South East London....
Project Overview This case study explores a recently completed loft refurbishment and home renovation in Blackheath, SE3, delivered through our integrated design-and-build approach. The project transformed an existing loft and upgraded several areas of the home, creating a more functional and comfortable living environment.Careful redesign,...
Technical challenges, heritage constraints, and construction-led solutions Stepney Green, East London Project Context This project involved the renovation and extension of a Grade II-listed Georgian end-terrace house in Stepney Green, East London, within a designated conservation area. Planning drawings were prepared prior to our appointment....