A Safe and Reliable Service
Boiler InstallationRepair Experts
At Castro’s, we keep homes and businesses warm, safe, and energy efficient with expert boiler services you can trust. Whether you’re installing a new system, need a quick repair, or want to stay ahead with regular servicing we’re here to help
Get A Free Quote Today.
About US
About Castro’s Plumbing & Heating
At Castro’s, we’re more than just plumbers we’re a family run team that’s been proudly serving London for over 25+ years. Founded by Castro, who began as a sole trader with a toolbox and a vision, the business has grown into a trusted team of 4 skilled professionals. Despite that growth, we’ve never lost sight of what matters most: treating every customer like family and doing every job the right way.
Our Promise to You
When you choose Castro’s, you’re not just hiring a plumber you’re joining the community that’s helped us grow and thrive.
We’re committed to:
- Expert workmanship
- Clear communication
- Fair and transparent pricing
- Treating your home with respect
- Showing up when we say we will
Large-Scale Development Projects
From mixed-use conversions to large residential schemes, we support developments of all sizes with reliable, fully compliant services, delivering high standards of workmanship, safety, and efficient project coordination throughout every stage.
- Fair and transparent pricing
- Respect for your property
- Expert workmanship
- Reliable and punctual service
Boiler Installation
Boiler Service & Repairs
Powerflushing
First Second Fix
Certificates & Compliance Services
Complete Property Compliance
We provide all legally required certification and compliance documentation for landlords, developers, and letting agents across London.
Instead of dealing with multiple contractors, you can rely on one trusted company to manage your property compliance efficiently and professionally
From Gas Safety Certificates to EPCs, EICRs and Fire Risk Assessments, we ensure your property meets current UK legal requirements — quickly, clearly, and without disruption.
- Gas Safety Certificates
- EPC Certificates
- EICR Reports
- Fire Risk Assessments
Contact Us
Book Your Gas Safety Check Today
Whether it’s a one off inspection or you’re managing multiple properties, we’ve got you covered. Get in touch today to book your visit or request a quote.
Special Offer
Boiler Installation (Our Speciality)
Special Offer
Fast Boiler Repairs (24/7 Callouts)
Special Offer
Routine Boiler Servicing
Accreditations, Compliance & Health & Safety
We operate to the highest professional and safety standards, ensuring all works are fully compliant with UK regulations and industry best practices.
- VAT Registration Number: 269495367
- EPC Certificates
- CSCS-qualified workforce
- Public Liability Insurance: £5 Million
- Employers Liability Insurance: £5 Million
- RAMS, Method Statements, and H&S documentation available
- Qualified Installers for Vaillant, Worcester Bosch and Ideal
Our Referral Process
How It Works
Tell someone about Castro’s.
They mention your name when they book.
We complete the job and receive payment.
You get your referral payment!
Customers Say
What Our Clients Say About Us
Why Us
Why Choose Castro’s?
Whether it’s one bathroom or a full property development, we’ve got it covered.
Powerflushing – Restore Your Heating System's Performance
If your radiators aren’t heating up properly, or your boiler is working harder than it should, your system could be suffering from a build up of sludge and debris. That’s where powerflushing comes in.
Our Promise to You
When you choose Castro’s, you’re not just hiring a plumber — you’re joining the community that’s helped us grow and thrive.
We’re committed to:
- Expert workmanship
- Clear communication
- Fair, transparent pricing
- Treating your home with respect
- Showing up when we say we will
