BLS Builders
Builders. BLS Builders has been vetted and approved by TrustATrader. Covering Harrow and incorporating a 15 mile radius
Membership number TT31440
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Register GuaranteeAbout BLS Builders, Harrow
About BLS Builders, Harrow.
🚫 NO MARKETING CALLS PLEASE.
BLS Builders is a family-run business with over 25 years of experience, proudly based in the Harrow area 🏡.
We offer our clients trust, quality, and a friendly service every step of the way 🤝✨.
As needed, we work closely with a trusted network of specialists — including electricians, Gas Safe engineers, architects, and interior or garden designers — allowing us to successfully manage projects of all sizes and complexities 🧱📐🎨.
We specialise in large projects such as lofts, extensions, and full renovations.
❗ Please note: we do not undertake small jobs or insurance work.
Our services include:
🏠 House Extensions
🏗️ Loft Conversions
🚗 Garage Conversions
🏡 New Builds
🔧 Home Improvements
🔨 Renovations
📐 Drawings & Plans
If you’d like to learn more about what we do or would like a free quote, feel free to get in touch 📞💬. Many of our clients are happy to show you our completed work, and our friendly team of advisors is always ready to help.
We look forward to working with you 😊
Please mention Trustatrader when calling
Photo gallery
Bathroom Renovation
4 photos
Loft Conversion
13 photos
Rear Extensions
10 photos
BLS Builders
- Identification checked
- Company address verified
- Customer references checked
- Agreed to TrustATrader's high standards
- Agreed to complaints procedure
Insurance details
| Provider | Simply Business Insurance |
|---|---|
| Verified | 21st January 2026 |
Associations
Reviews (13)
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Average rating: 5.0 out of 5
Review by Maria
on 12th January 2026
"The work was seamless—like magic! While we were away, everything was done perfectly. They replaced the ceiling so flawlessly that, if it weren’t for a tiny bit of dust on the glass, we wouldn’t have even known they’d been there. No cracks, no signs—just flawless work. Cannot recommend enough"
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0
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Average rating: 5.0 out of 5
Review by RUCHIT KHIMASIA
on 22nd October 2025
"Preparing house and garden for renovations, removing flooring, kitchen, wallpaper and old plaster. Removal of all rubble and waste from site Every day they arrived early and were ready to work. Every end of day the site was left tidy for the next days work to commence Removing old plaster and preparing for new plaster. Levelling floors ready for new flooring. New electric circuits New plumbing for heating Readying bathroom and kitchen for new fixtures and fittings Lighting throughout the house redone. Tiling bathroom, and fitting new bath, shower toilet, sink and mirror. New flooring installed throughout the house, both upstairs and down. New kitchen fitted New roof put on garden shed, new level floor pired in shed Garden patio extended, rest of garden cleared Front garden cleared Painting whole house Fitted all internal doors Painted external doors Painted garden shed Front garden slabs lifted and made good. New fence posts and fencing for front garden New fencing for rear garden"
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0
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Average rating: 5.0 out of 5
Review by Sarah
on 21st August 2025
Sarah - Image 1 "We were really pleased with Edmund and his team’s work on our bathroom. He was friendly and professional. One thing that stood out was his attention to detail. He made sure that the tiles matched up perfectly and was a perfectionist with his work. When they left, they left the hallways and stairs cleaner than before they had arrived! Edmund had been recommended to us by a friend who works in the building business who has worked with him, so from the start we were confident that he would do a good job. We are so pleased with our bathroom!"
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0
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Average rating: 5.0 out of 5
Review by Ruchit
on 5th May 2025
"They are excellent we have used them multi times for various job. T"
- Initial impression Initial impression: 5 out of 5.0
- Punctuality Punctuality: 5 out of 5.0
- Cleanliness Cleanliness: 5 out of 5.0
- Quality Quality: 5 out of 5.0
- Value Value: 5 out of 5.0
- Overall opinion Overall opinion: 5 out of 5.0
