A successful home renovation starts with the right general contractor. From managing a basement renovation to coordinating a skilled masonry contractor, the right team can keep your project on schedule, within budget, and built to a high standard.
To help you narrow down your options, I explored the best general contractors in London and highlighted the companies known for reliable service, quality workmanship, and stress-free project management.
Bring your renovation plans to life today!
How much does a general contractor cost in London?
Hiring a general contractor in London typically costs £300 to £450 per day for labor, while renovation projects generally range from £800 to over £3,000 per square metre. The total cost depends on the project’s size, complexity, and finish level.
| Project Type | Estimated Cost |
| Basic Renovation / Cosmetic Updates | £800 – £1,200 per m² |
| Standard / Mid-Range Refurbishment | £1,200 – £1,800 per m² |
| Premium / High-End Specification | £1,800 – £3,000+ per m² |
| Single-Storey Extension | £28,000 – £45,000+ |
| Full 3-Bedroom House Renovation | £150,000 – £250,000+ |
How I Reviewed
Verified Credentials: I checked whether each contractor has active memberships in trusted trade organisations and proper liability insurance. This helps protect you if something goes wrong during the project.
Project Transparency: I looked for contractors who use project management tools to share updates, budgets, and timelines. Seeing clear progress makes it much easier to follow the work.
Compliance Focus: I reviewed how well each contractor follows London’s building regulations, especially thermal efficiency requirements. Staying up to code helps keep your property safe, legal, and energy-efficient.
Historical Reliability: I looked at long-term customer reviews and ratings on trusted platforms. Consistent feedback gave me a clearer picture of how each contractor performs over time.
1. Row London Construction Ltd
Website: rowlondonconstruction.co.uk
Address: David Birkett Estate Agents, 93 Regent’s Park Rd.
Contact: 44 7440 151 642 | 44 7766 927 260 | [email protected]
Hours: Monday to Friday 7:00 AM–7:00 PM
Row London Construction Ltd helps make renovations easier by reducing worries about surprise costs during the build process.
On top of that, expect their clear, itemised quotes with no hidden fees, plus full project management from permits to final design details.
Their local know-how also makes borough rules and council delays much easier to deal with along the way.
Plus, their 24-hour response time is part of the process, which helps keep the project moving when questions come up during the build.
Just be aware that weekday-only hours are the norm here. Since they close on weekends, homeowners with busy work schedules may find it harder to arrange meetings.
Customer Reviews
Exceeded Expectations for Bathroom Renovation
They exceeded my expectations
My bathroom and kitchen are now completely renovated to a high standard
Mario came up With the idea for a complete renovation
I didn’t have to worry about materials
Everything was purchased by the company on Time.
I can’t wait to collaborate on my next projects.
Best Elvira
- Elvira Pandelica | Google Reviews
Quality Craftsmanship and Customer Satisfaction
What stood out most was their commitment to quality and customer satisfaction: they emphasize using skilled craftsmen, high-grade materials, and managing projects end-to-end so you’re not left juggling contractors. Their experience gives me confidence that they know what they’re doing.
- Ananya Biswas Poddar | Google Reviews
2. Right Build Group
Website: rightbuildgroup.co.uk
Address: Westbourne Park Rd.
Contact: 020 3404 2271 | [email protected]
Hours: Monday to Friday 9:00 AM–6:00 PM
Right Build Group makes renovation projects simpler with one main contact instead of juggling several different trades alone.
Their dedicated support manager helps keep you updated and makes project details easier to follow at every stage.
On top of that, you can expect a fixed quote after a full site visit, along with a full-service warranty and satisfaction guarantee.
Plus, their vetted and insured workers also give you extra peace of mind when starting a home project in London.
Keep in mind that written quotes can take 3 to 5 working days after the visit. This may feel slow if you’re hoping to start your renovation straight away.
Customer Reviews
Professional Property Assessments and Reliable Advice
I highly recommend the team for their expertise in property assessments and insurance-related works. Darren was incredibly thorough, professional, and provided high-quality documentation that proved vital for my requirements. It’s clear they have a deep understanding of the industry and provide honest, reliable advice. If you’re looking for a builder who is responsive and knows exactly what they’re doing, this is the company to call.
- Rose | Google Reviews
Beautiful Kitchen and Bathroom Repairs
Delighted with the team at Right Build Group and would highly recommend them. John, Duncan and foreman Ivan has been excellent and brilliant to deal with dealing with my bathroom and kitchen repairs and transformed them beautifully, completing the works to a very high standard. Am very pleased. Thank you. 5*
- Chelle MWD | Google Reviews
3. Building Vision London Ltd
Website: buildingvisionlondon.uk
Address: 108 Westleigh Avenue
Contact: 0203 302 6361 | Mobile: 07871 647667
Hours: Available 24/7
Building Vision London Ltd handles projects of many sizes, from small repairs to major home upgrades.
Based on what I’ve seen, their multi-skilled team works with skilled craftspeople to manage different building needs under one service.
What’s more, you can expect a team with a strong understanding of current safety regulations and building legislation, which helps with more complex compliance requirements.
Beyond that, expect fewer day-to-day disruptions, helping your project stay organised and meet key standards.
However, their services mainly cover central and southwest London. If you live farther north or east, you may need to look for a closer option.
Customer Reviews
Friendly Service and High Workmanship Standards
I’m really pleased with the service provided by Building Vision. The staff were friendly, knowledgeable, and committed to doing a good job. They kept me informed throughout the process and ensured everything was running smoothly.
The workmanship was of a high standard, and the project was completed as agreed. It’s clear they take pride in what they do.
Overall, a very positive experience, and I would recommend Building Vision to others without hesitation.
- Akhtar khan | Google Reviews
Professional and Organized Kitchen Installation
We recently had a new kitchen installed by Building Vision London and couldn’t be happier with the result. From start to finish, the whole process was well organised, professional, and transparent. Communication was excellent throughout, the workmanship was to a very high standard, and everything was completed on schedule.
The team paid great attention to detail, kept the site clean and tidy, and were always happy to explain things or accommodate small changes along the way. The final finish looks fantastic and exactly as we envisioned.
Highly recommended for anyone looking for a reliable, high-quality kitchen installation company in London.
- Narinder Sahota | Google Reviews
4. SW7 Construction & Design
Website: sw7construction.co.uk
Address: 18 Overton House
Contact: 44 7508 575065 | [email protected]
Hours: Monday to Friday 8:00 AM–6:00 PM | Saturday 8:00 AM–4:00 PM | Sunday 8:00 AM–1:00 PM
SW7 Construction & Design gives busy property owners a simpler way to manage large renovation projects.
If you choose a turnkey or cost-plus build, you can expect support from experienced architects, engineers, and builders throughout your project.
Beyond that, you can expect clear explanations that make complex building details much easier to understand.
Another plus, their technical expertise helps keep your project on track while maintaining high standards from start to finish, whatever the size of the job.
However, their work mainly suits high-end extensions and luxury refurbishments. If you only need a small, low-cost repair, this may not be the best fit for you or your budget.
Customer Reviews
Reliable Team and Excellent Project Management
We’ve worked with SW7 Construction & Design across a number of projects in London, and the experience has always been excellent. Evidon and his team are reliable, easy to coordinate with on site, and consistently deliver a smooth, well-managed projects from start to finish. Highly recommended.
- Angelo S | Google Reviews
Quality Renovations and Competitive Pricing
This is the second time using Evidon and his team to renovate our property. On this occasion we had an extension, new kitchen, new roof, and other works such us underfloor heating, bi-folding doors, wood flooring and garden works.
Amazing team, quick, clean and tidy workers. The price was competitive and the job was carried out to a high standard and also on time.Very pleased that we decided to go with SW7 Construction. Would definitely recommend .
- Adam O’Rourke | Google Reviews
5. New Line Construction Ltd
Website: newlineconstruction.co.uk
Address: 3 Shortlands, Hammersmith
Contact: 44 7734 456436 | [email protected]
Hours: Monday to Friday 8:00 AM–5:00 PM | Saturday 8:00 AM–1:00 PM
New Line Construction Ltd specialises in renovating period homes across West London by blending traditional craftsmanship with modern engineering.
In particular, older homes can be transformed into stylish open-plan spaces while keeping the original character intact.
Alongside that, you can expect one clear project plan that helps keep everything organised from start to finish. Their local supplier relationships may help keep material costs competitive throughout the build.
Once the work is complete, you can also expect support for minor issues covered under the project scope.
However, their workmanship guarantee only lasts six months after the project ends. Some repair jobs may also fall outside that cover, so homeowners should check the details before starting a big renovation.
Customer Reviews
Fantastic Building Refurbishment and Communication
New Line Construction have been fantastic. I was looking around for a long time to find the right builder for our building refurbishment, including a brand new roof. When I came across these guys, they instantly gave me confidence that they were the right company for the job.
The work is now complete, and they were brilliant throughout, a strong work ethic, high-quality results, always flexible, and excellent communication at every stage of the project. I would strongly recommend them for any building work required.
- Matteo Danna | Google Reviews
Clear Communication and Reliable Roofing Work
Marek and his team worked on our roof and rear elevation, pointing, sealing, replacing tiles. Marek is a great communicator and answers all questions very quickly. His foreman sent photos to show the completed work, very important when it’s out of sight. I would recommend this company.
- Mary Hastings | Google Reviews
