Business Details
40 Years
experience
Your Trusted Construction Partner in South London
Established in 1986, J&B Builders have delivered construction and renovation services across London for over three decades. As a Federation of Master Builders member, we combine technical expertise with a client-centric approach, offering end-to-end project management from initial design to final execution. Our team specialises in custom builds, loft conversions, and interior renovations, maintaining rigorous quality standards through certified electricians, Gas Safe plumbers, and skilled carpenters. With extensive experience in London's planning regulations and longstanding partnerships with design professionals, we ensure seamless project delivery.Our commitment to transparency keeps clients informed at every stage, while our 30-year track record demonstrates reliability in both residential and commercial sectors. We prioritise innovative techniques and materials to meet evolving client needs, backed by guarantees on all workmanship. Testimonials highlight our attention to detail, punctuality, and ability to transform complex projects into stress-free experiences. From kitchen installations to structural extensions, our focus remains on exceeding expectations through craftsmanship and communication.
Services
Custom Build
Bathroom Renovations
Loft Conversions
Carpentry
Electrical Services
Painting & Decorating
Details
- Year established: 1986
Highlights and features
- We offer over 30 years of experience in construction and building services
- Our team includes certified professionals with expertise in custom builds and renovations
- Every project is managed to ensure timely delivery and quality standards
- We maintain Federation of Master Builders accreditation for industry compliance
- Clients receive regular updates throughout the project lifecycle
Associations and certifications
- Federation of Master Builders
What people say
Excellent work
Polite and tidy
On time delivery
Stress-free experience
Outstanding finish
Services
Custom Build
We specialise in creating bespoke properties from ground up. Our process includes architectural collaboration, planning permission assistance, and full project management. Clients benefit from our 30+ years' experience in London's construction sector and our ability to handle complex builds while maintaining strict quality control.
Bathroom Renovations
Our bathroom renovation service combines functional design with premium finishes. We handle complete overhauls including plumbing, tiling, and bespoke fittings. With specialist installers, we ensure watertight integrity and compliance with building regulations while creating spa-like environments tailored to client preferences.
Loft Conversions
We convert unused loft spaces into functional rooms while maintaining structural integrity. Services include dormer extensions, insulation, and staircase installation. Our expertise in London planning requirements ensures compliant conversions that maximise property value through additional living space creation.
Carpentry
Our carpentry division handles bespoke joinery, kitchen installations, and structural timberwork. From framework construction to custom cabinetry, we use premium materials and traditional techniques. The service includes skirting boards, door hanging, and shuttering for concrete pours with precision fitting.
Electrical Services
Fully qualified electricians provide complete electrical installations and upgrades. Services cover consumer unit replacements, lighting circuits, and smart home systems. All work complies with Part P regulations, with certification provided. We specialise in integrating modern electrical systems into both new builds and period properties.
Questions
What construction services do you offer?
We provide custom builds, loft conversions, bathroom/kitchen renovations, carpentry, electrical services, and full property refurbishments across London.
How long have you been operating?
J&B Builders has delivered construction services in London since 1986, with over 30 years' industry experience.
Are you FMB accredited?
Yes, we are proud members of the Federation of Master Builders, demonstrating our commitment to quality standards.
How do you manage project timelines?
Each project has dedicated management ensuring timely delivery through regular progress monitoring and client updates.
Do you handle London planning requirements?
We have extensive experience with London Borough planning permissions and can manage the entire approval process.