Business Details
12 Years
experience
Emergency
services
Your Trusted Heating & Electrical Contractors in London
Established in 2014, Jacob & Jacob has built a reputation for delivering reliable heating and electrical solutions across London. With over two decades of combined experience, our team specialises in residential and commercial boiler installations, central heating systems, and comprehensive electrical services, including rewiring and lighting design. We prioritise transparency, ensuring clients receive honest advice and fair pricing with no hidden costs.Our engineers hold Gas Safe and NICEIC accreditations, adhering to the highest safety and quality standards. We treat every property with care, maintaining cleanliness and minimising disruption while providing regular project updates. Our commitment to excellence extends to using premium materials and offering guarantees on all workmanship, ensuring long-term satisfaction for homeowners, landlords, and businesses alike.
Services
Boiler Installations
Central Heating Repairs
Electrical Rewiring
Lighting Design
Emergency Repairs
Gas Safety Certificates
Electrical Testing
Planned Maintenance
Smart Systems Installation
Landlord Certificates
Details
- Year established: 2014
Highlights and features
- We have over 20 years of experience in heating and electrical services.
- Our engineers are Gas Safe and NICEIC accredited for safety and quality.
- We provide transparent pricing with no hidden extras.
- We offer emergency repair services available 24/7.
- We use only high-quality materials and guarantee all workmanship.
Associations and certifications
- Gas Safe
- NICEIC
- Thames Water
- Vaillant
- Vent Axia
- Viessmann
- Checkatrade
What people say
Prompt emergency response
Professional and friendly team
Clear communication
High-quality workmanship
No hidden costs
Services
Boiler Installations
We install energy-efficient boilers and central heating systems for residential and commercial properties. Our Gas Safe-certified engineers ensure compliance with safety standards while optimising system performance. Clients receive detailed advice on upgrades and maintenance schedules for long-term reliability.
Electrical Rewiring
Full and partial rewiring services for domestic and commercial buildings, adhering to BS:7671 regulations. We upgrade consumer units, install smart systems, and provide testing with NICEIC-certified documentation for safety and compliance.
Emergency Repairs
Urgent boiler, plumbing, and electrical fault resolution available 24/7. Our London-based team responds swiftly to minimise disruption, using diagnostic tools to identify issues and restore functionality safely and efficiently.
Lighting Design
Custom residential and commercial lighting solutions, including LED conversions, security lighting, and low-voltage systems. We design energy-efficient layouts and install dimmer/smart controls while ensuring compliance with electrical safety standards.
Gas Safety Certificates
Gas Safe-registered inspections and certification for landlords and businesses. We conduct thorough checks on boilers, pipework, and appliances, providing documented compliance for rental properties and commercial premises.
Questions
What services does Jacob & Jacob offer?
We provide boiler installations, central heating repairs, electrical rewiring, lighting design, emergency plumbing, Gas Safe certificates, and planned maintenance for residential and commercial clients.
Are your engineers certified?
Yes, our team holds Gas Safe, NICEIC, and manufacturer-specific accreditations, ensuring compliance with UK safety and quality standards.
Do you offer emergency services?
Yes, we provide 24/7 emergency repair services for boiler breakdowns, leaks, and electrical faults across London.
How do you ensure transparent pricing?
We provide upfront quotes with no hidden extras, only recommending necessary work and using high-quality materials for long-term reliability.
What areas do you cover?
We operate throughout London, serving homeowners, landlords, and businesses in both residential and commercial sectors.
Do you guarantee your work?
Yes, all workmanship is guaranteed, with installations and repairs meeting Gas Safe, NICEIC, and BS:7671 regulatory standards.