Building Companies London – General Builder London
As one of the most trusted building companies in London, KT5 Construction takes a smarter, more flexible approach to building, extensions, and renovations. We offer expert planning, transparent pricing, and smart cost-saving strategies to help you bring your dream project to life—without breaking the bank.
Communication is key to what we do.
What We Do
Building Construction
New Builds, Extensions, Conversions, Renovations
General Building
Property Maintenance, Handyman Service, Decorating
Design
Planning, Design, Project Management, Quality Checking
Building Companies London : 25 Years of Experties
Why Home Owner Choose KT5 Construction Is Different
Built Around Your Budget
Many London builders start with your drawings and force your budget to fit. At KT5 Construction, we do the opposite. We start with your budget and help you shape a project that works within it.
Services Offered by KT5 – Full Scope Building Specialists
As one of the most comprehensive building companies in London, we offer:
House Extensions: Whether it’s a side-return or rear extension, our team ensures a smooth, tailored process.
Loft Conversions: Make use of your attic space to create more liveable room.
Renovations & Refurbishments: From dated interiors to full house upgrades, we refresh your home inside and out.
New Builds: From the ground up, we manage everything—ensuring a quality finish that adds long-term value.
Structural Works : We analyse your architect’s designs to identify savings—sometimes thousands of pounds—without compromising quality.
What Makes KT5 the Smart Choice?
| Feature | KT5 Construction | Other Builders London |
|---|---|---|
| Transparent Quotes | ✔️ Yes | ❌ Often vague |
| Flexible Phased Build | ✔️ Yes | ❌ Rare |
| Budget-First Project Design | ✔️ Always | ❌ Architect-led only |
| Personal Project Manager | ✔️ Start to Finish | ❌ Limited access |
| Buying Power Cost Savings | ✔️ Up to 10% Off | ❌ Full retail pricing |
Client Testimonials
“You made it so simple” – Just wanted to say thank you for making what I thought would be a difficult process much easier than I had imagined.
Thank you for my brand new house! The refurbishment and attention to detail makes it feel like a brand new house, but without the expensive cost of moving.
Just wanted to thank you for the work carried out to my new bathroom, I will definitely be in touch shortly to talk about my proposed kitchen extension.
The KT5 Construction Process – A Seamless Experience
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- Consultation & Planning – We begin with an in-depth consultation to understand your vision.
- Design & Approval – Our experts provide detailed architectural plans and secure necessary approvals.
- Construction & Execution – Our skilled tradesmen bring your project to life with precision and care.
- Quality Assurance & Completion – We conduct thorough inspections to ensure the highest standards before final handover.
Frequently Asked Questions (FAQ)
1. How long do typical KT5 projects take?
Most extensions and lofts complete in 8–14 weeks, depending on complexity.
2. Do you provide architectural or planning services?
Yes, we offer in-house design support or work directly with your chosen architect.
3. Can KT5 help with listed buildings?
Absolutely. We have experience working on heritage properties with care and compliance.
Ready to Build Smart?
Don’t just search for building companies London—partner with a builder who builds smart. At KT5 Construction, we don’t just build—we plan, save, and deliver.
Positive Approach
Be flexible and react quickly to changing demands in order to understand and deliver over and above the clients expectations.
Communication
Management input on a day to day basis and regular client contact ensures problem free contract delivery which is built around the client’s needs and expectations.
Attention To Detail
We take time with our clients during the tender and procurement stage to make sure the small details are thought of and dealt with, making the build process easier.
Delivery
Throughout the project we will update our customers on when their project will be finished, our company ethos is “On Time & On Budget”
Why KT5 Construction?
We Work With You
KT5 works with you on your project, large or small, making sure that we deliver your new project to the high standard you can expect to receive.
25 years’ Experience
You can relax knowing that your project is being managed by a knowledgeable, experienced team.
Quality Focused
Quality and design with our customers in mind. We pride ourselves on using the most modern building techniques and the skilled people.
YEARS OF EXPERIENCE
Completed Projects
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