Specialist New Build Contractors London

Finding the right contractor can make all the difference when planning to build a new home or commercial space. At New Build Contractors, we support clients from early planning through to final completion, offering comprehensive new build services across London.

Whether you're developing a single home, a multi-unit site, or a commercial facility, our in-house team can handle everything: design, surveying, site preparation, construction, and final sign-off. We don’t outsource core work; our engineers, project managers, and tradespeople keep everything on track.

We take the time to understand your site, budget, and long-term goals so we can build something that genuinely works for you, not just today, but for years to come.

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Our Services

Our comprehensive new build services include the following -

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01.

New Build Commercial

We deliver commercial new builds that genuinely reflect how your business operates now and in the future. Whether starting from scratch with a fresh design or looking for a complete design-and-build solution, our experienced team works closely with you to create a space that supports your staff and leaves the right impression on your clients. Every project is managed with care. From innovative, functional architecture to quality workmanship, we bring together all the moving parts to deliver a space where your business can hit the ground running.

02.

House Extensions

At New Build Contractors, we create bespoke house extensions across London that add space, light and long-term value to your home. From rear and side returns to full wraparound designs, our expert team manages everything from design to build with fixed prices and a 10-year structural warranty." Whether you’re creating a larger open-plan kitchen for family gatherings, a dedicated home office or simply more breathing room, our team of architects, engineers, and skilled builders will guide you through every stage, from initial design to completion.

03.

New Build Homes

We understand that building a new home is a significant step that deserves care, attention, and craftsmanship you can rely on. As experienced home builders based in London, we work closely with homeowners to bring their ideas to life, delivering spaces that reflect their lifestyle and stand the test of time. From the first plans to the final finish, our team focuses on quality, transparency, and staying within your budget. If you're looking for a trusted contractor to build your new home with the attention it deserves, we’re here to help.

04.

Loft Conversion

Turn the space above your head into a beautiful, functional living area with a bespoke loft conversion from New Build Contractors. We design and build high-quality loft conversions across London, from master bedrooms and home offices to en-suite guest suites and studios. With London property prices at an all-time high, moving isn’t always the answer. Whether you live in a Victorian terrace in Clapham, a 1930s semi in Ealing or a detached in Hampstead, our team will guide you through every step from the initial survey and design, through planning and permissions, to the final build.

05.

House Renovation

At New Build Contractors, we believe your home should grow with you. Whether you want to modernise a tired interior, open up a living space or fully refurbish a period property, we specialise in bespoke home renovations across London. With property prices in the capital going up and up, moving isn’t always the answer. Renovating allows you to stay in the area you love, keep your community ties and design a home that’s perfect for your lifestyle. From small flat refurbishments to complete house transformations, our team provides a full-service approach from the first conversation to the final handover.

New Build Services That Fit Around You

We’ll help assess what’s achievable on your site, considering budget, planning, and space use.

We regularly help clients navigate the planning process, often while they remain in their current property until work is ready to begin.

Our New Build Contractors team has been working for over a decade now. We offer a warranty and guarantee with our work.

We’ll guide you through the practical and financial aspects of your new build, managing the whole process safely and efficiently.

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Stages of New Build Construction

The New Build Process

Planning and Design

Our design phase for the new build starts with a measured survey of the building, architecture services, design, access statement, planning application, building control application, party wall agreements, structural engineers' calculations and design and finally feasibility studies. You’ll have a dedicated team committed to making your project smooth, stress-free, and completed to the highest standards.

Construction Process

Once your building plans have been approved, we’re ready to begin. At New Build Contractors, we manage every stage of the construction process, from laying solid foundations, groundworks, plumbing and insulation to finishing interiors, driveways, and walkways. What sets us apart is our collaborative approach. We stay in regular contact, keep you informed at every step, and focus on delivering quality without delays.

Project Management

At New Build Contractors, our project management services revolve around one goal: delivering high-quality loft conversions, home extensions, renovations, and new builds with confidence and care. With over 15 years of hands-on experience, we’ve developed a streamlined and reliable approach to managing construction projects from concept to completion. Our team understands homeowners' challenges, and we’re here to simplify the journey, whether you're extending your property, redesigning your home, or starting from scratch.

Residential and Commercial New Build Contractors in London

At New Build Contractors, we help homeowners, developers, and business owners bring their ideas to life with practical, high-quality buildings. Whether you’re planning a family home, an apartment conversion, or a new commercial unit, we provide the structure, planning, and project management to bring it to life.

Our team covers residential (house extensions, loft conversions and house renovations) and commercial (warehouse, healthcare) work across London and the South East, from straightforward builds to complex design-and-build schemes. We manage every part of the process in-house, with an experienced team that includes architects, engineers, builders, and project managers.

Residential Projects: Homes Built Around You

Your home should reflect your lifestyle. Whether it’s a new build from the ground up, a house extension, a complete house renovation, or a loft conversion to create extra living space, we work closely with you to shape a design that works for your day-to-day needs and plans. Every family is different, so every home we build is too.

Commercial Projects: Building for Business

We also deliver custom-built spaces for commercial use, from new offices and shop units to hospitality venues. For clients refurbishing bars, restaurants, or retail spaces, we help reconfigure interiors to enhance foot traffic, customer flow, and revenue. If you’re expanding or starting from scratch, our commercial build team will ensure your space is built with purpose and longevity in mind.

Design & Build: Everything in One Place

Some clients come to us with architects already on board. Others prefer to keep the whole project under one roof. Our design-and-build service means we handle everything, from architectural design and planning permission to construction and final handover. You’ll have a single point of contact throughout, with progress updates through our secure online portal.

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Trusted Design & Build Contractors in London

We focus on building lasting spaces and relationships at New Build Contractors. We work with homeowners, developers, and businesses across London and the South East to deliver high-quality residential and commercial buildings that are thoughtfully designed, expertly built, and genuinely suited to your day-to-day needs. Whether planning a bespoke family home, an office fit-out, or a large-scale commercial development, our team is equipped to guide you through every stage of the process, from initial ideas and planning applications to completion and handover.

A Complete, Hands-On Service

We take care of the full project lifecycle. That means one team manages design, planning, approvals, construction, and finishing touches, making the entire process simpler and more efficient for you. Our in-house architects and engineers work alongside skilled tradespeople to keep your project running smoothly, safely, and on budget. If you need support with local authority planning permission or help navigating building regulations, we’ll handle that too, drawing on our strong track record across London boroughs and surrounding counties.

Built Around You

Every project starts with a detailed consultation, during which we listen carefully to what you want. From there, we can produce architectural drawings, 3d visuals, or CGI renderings to help you visualise how the space will look and feel before a single brick is laid. Whether you're after a clean, modern office layout or a warm, characterful family home, our approach is collaborative and focused on the real people who’ll use the space every day.

Workmanship You Can Rely On

We don’t cut corners, literally or figuratively. Every material, fixture, and finish is carefully considered. From the foundation to the final coat of paint, our work reflects our pride in doing things correctly. With our internal project management team overseeing every detail, you’ll always know what’s happening and when. We’re here to answer questions, resolve issues quickly, and keep your build on track.

Let’s Build Something That Lasts

If you’re ready to get started or want to explore what’s possible, get in touch. We’re happy to discuss your ideas and offer practical guidance based on years of experience. At New Build Contractors, we don’t just deliver buildings, we provide spaces that work for you today and long into the future.

The Two Phases of Constructing a New Home

1. Put Your Vision at the Centre of Planning

At New Build Contractors, we feel every home should be built upon the foundation of your imagination, which is why our process focuses on your vision, lifestyle and aspirations. We listen because we want to know not only what you need today, but also how your home can work best for you in the future.

From obtaining permits with local authorities to fulfilling all requirements, we take care of everything so you don't have to. We also collaborate closely with interior designers and smart home professionals, integrating stylish design with the latest in-home technology. The result is a home that feels comfortably luxurious and future-ready – it’s your type of living space. After all, why buy a house that almost fits your dream when you can build one that truly does?

2. Turning Plans into Reality

After the drawing is finalised, our highly talented construction crews build with precision and care. Whether working from a design that you have already drawn or one we’ve conceptualised together, you can rely on us to provide the best quality.

We use the highest quality tools and materials for your home, but we never compromise on safety, prioritising perfection above all else. All team members have been observing stringent safety measures and are wearing complete Personal Protective Equipment (PPE) to maintain a safe space for persons involved.

We also conduct an in-depth review of the plans to ensure they comply with the local authority's requirements before building work begins, giving you peace of mind that everything is on track to run smoothly. With New Build Contractors, you can be absolutely confident that your new home is not only beautifully constructed, but also safe, compliant and will stand the test of time.

New Build Guides

1. Planning & Permissions

These guides help homeowners and developers understand the early stages of a new build project — from feasibility and planning approval to budgeting and insurance.

Guide Title	What It Covers
How to Plan Your New Build Project	Step-by-step advice on setting timelines, budgets, and expectations before you start construction.
Do You Need Planning Permission for a New Build?	The difference between planning permission and permitted development, plus common mistakes to avoid.
Understanding Building Regulations	A homeowner’s guide to the key regulations every new build must meet — safety, insulation, and energy standards.
Planning Permission vs Permitted Development Rights	When you can build without planning approval, and what the limits are.
Should You Move Out During Construction?	Pros and Cons of Living on-Site vs. Moving Out During Major Works.
What Type of Insurance Do You Need Before Building?	Why site insurance and structural warranties are essential before work begins.

2. Design & Materials

These guides focus on creating functional, stylish, and sustainable homes — covering everything from interior design and material choices to smart technologies that enhance everyday living.

Guide Title	What It Covers
How to Design a Home for Modern Living	Ideas for creating bright, practical, and beautiful spaces that strike a balance between comfort, natural light, and functionality.
Sustainable Building Materials and Practices	Eco-friendly design choices and construction methods that reduce carbon impact and improve energy performance.
Choosing the Right Roofing and Cladding Materials	Comparing the aesthetics, cost, and long-term durability of different materials suitable for the UK climate.
Lighting and Interior Design Ideas for New Builds	How ceiling lighting, layout, and design finishes can transform the feel and function of a new home.
Smart Home Technology and Energy Efficiency	How to future-proof your home with automation systems, renewable energy integration, and intelligent heating solutions.

3. Construction & Project Management

These guides walk homeowners and developers through the practical side of construction — covering build stages, site management, safety, and quality control to help every project run smoothly.

Guide Title	What It Covers
The Stages of a New Build – From Groundworks to Handover	A detailed, step-by-step look at what happens during each phase of a new build project, from site prep to completion.
Guide to Foundations: Raft, Piled, and Strip	Explains the different foundation types, when to use each one, and how ground conditions affect structural design.
Project Management Tips for Homeowners	Practical advice on managing timelines, coordinating trades, and keeping communication clear with your contractor.
Health & Safety on a Construction Site	Key safety standards, PPE requirements, and homeowner responsibilities to ensure a compliant and secure site.
Snagging and Quality Checks Before Handover	How to identify defects, manage snagging lists, and make sure your build meets all quality and warranty standards before completion.

4. Costs & Practicalities

These guides help homeowners and developers understand the financial side of a new build — from estimating budgets and managing hidden costs to assessing property value and funding options.

Guide Title	What It Covers
The Cost of Building a New Home in 2025	An overview of average build costs per square metre in London and the South East, plus factors that influence total spend.
Hidden Costs to Watch Out For During Construction	A breakdown of often-overlooked expenses such as utilities, landscaping, site setup, and professional fees.
Is Buying a New Build Worth it?	Explores how well-designed new builds and extensions increase property value and long-term investment potential.
New Build vs Buying an Existing Home	Compares the pros, cons, and costs of building from scratch versus buying an established property.
Finance and Mortgage Options for New Builds	Guidance on self-build mortgages, stage payments, and how lenders assess new build projects.

FAQ

Do you undertake work in all London Boroughs?

New Build Contractors offers its residential and commercial new build construction services across all 33 London boroughs, including Camden, Greenwich, Lewisham, Southwark, Tower Hamlets, Wandsworth, Westminster, Barking and Dagenham, Barnet, Bexley, Brent, Bromley, Croydon, Hackney, Hammersmith and Fulham, Islington, Kensington and Chelsea, Lambeth, Ealing, Enfield, Kingston upon Thames, Merton, Newham, Redbridge, Richmond upon Thames, Sutton, Waltham Forest, Haringey, Harrow, Havering, Hillingdon, and Hounslow.

How do you estimate construction costs?

As New Build Contractors, we provide our customers with estimates based on the project scope, materials, labour and any potential risks. We prepare a detailed breakdown after the site consultation and assessment.

What is the timeline for a new build project?

All timelines vary depending on the project's size and complexity. Other external factors can impact the overall timeline, such as weather and planning approvals. We will guide you through the project schedule, outlining key milestones and expected completion dates.

Can you handle all permits and regulations for my new build?

Yes, as experienced new build contractors, we often manage the complete permitting process for our clients, ensuring all required approvals and regulatory requirements are met before and during construction.

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New Build Contractors Gallery

Complete Turnkey Solution

We deliver a complete turnkey solution for your new build project. We handle design, planning approvals, and construction to handover. You get precisely what you require.

We believe in Partnerships

We partner with reliable contractors who share our values. We work closely with them from start to finish on all our new build construction projects. Our clients can be confident knowing that only the best professionals work on their project.

Equality and Sustainability

We ensure that we create an environment where everyone is welcomed, every individual feels safe, and every team member feels valued.

Testimonials

What Our Clients Say's

We’ve partnered with New Build Contractors on several design-and-build projects across London and have always found them highly professional and dependable. They play an integral role in our pre-construction planning, bringing valuable input on design, budgeting, and tendering for both current and upcoming projects. What stands out most is their open and honest way of working. Communication is always clear, and their management structure keeps everything well organised and transparent. Their teams are focused, flexible, and committed to delivering quality on-site. That collaborative, can-do attitude makes working with them such a positive experience.

Sharon Smith
Contractors Manager

We've worked closely with New-Build Contractors on a range of new build residential projects, from mixed-use flats in London to multi-million pound homes in Berkshire.. Their team has consistently delivered high-quality results. Their residential construction experience shows they understand how to approach each project with utmost professionalism and attention to detail.

Mike Forbes
Company Director

The effort and professionalism shown by the team at New Build Contractors throughout the project were outstanding. They remained focused, reliable, and solution-driven even during the most demanding phases and in a challenging site location. Their conduct on site was exemplary, and the client’s feedback has been overwhelmingly positive. The result speaks for itself: a high-quality finish that reflects the hard work and commitment of everyone involved.

Alex Grigor
Construction Director

Latest From the Blog

Is Buying a New Build Home a Good Investment?

Buying a home is one of the most significant financial and emotional decisions you’ll ever make — and with so many new developments across London and the South East, it’s only natural to wonder:Are new-build homes really a good investment? At New Build Contractors, we’ve bui..

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Hidden Costs to Watch Out For During Construction

Building a new home or a significant extension is exciting, but even with the best planning, hidden costs can pop up when you least expect them. At New Build Contractors, we’ve seen firsthand how small details can become expensive surprises if not addressed early. Here’s what to look out for, and how ..