Complete Home Transformations – Loft Conversions, Bathrooms, Boilers & Full Renovations Across South London:

Let's be honest—sometimes a fresh coat of paint just isn't enough. Your home needs a complete rebirth. For homeowners in Mitcham, our full house renovation in Mitcham is the ultimate transformation. We take your property back to the bricks if needed, then rebuild it into something truly special. From stripping out old, inefficient heating systems to rewiring, plastering, and installing brand-new kitchens and bathrooms, we handle every single detail. Whether you've bought a fixer-upper that needs serious love or you simply want to modernise your family home, we deliver a turnkey solution that adds significant value and comfort. We manage the whole project from planning to completion, so you don't have to worry about a thing.

Over in Wallington, homeowners are discovering the incredible potential of their unused loft spaces. Our loft conversion in Wallington combines structural expertise with specialist heating and plumbing knowledge. Whether you opt for a dormer, Velux, or mansard conversion, we'll make sure your new space is warm, peaceful, and perfect for everyday life. We install efficient radiator systems or underfloor heating, plus any ensuite bathrooms you require. All work complies with building regulations, and we manage the entire project from planning to completion. A loft conversion by Gastector doesn't just give you extra space—it transforms how you live in your home while adding significant resale value.

Now, let's talk about something every homeowner in Mitcham dreads—a boiler on its last legs. You know the feeling. The heating takes forever to kick in, the radiators stay cold, and your energy bills keep climbing. It's stressful, expensive, and downright frustrating. That's where our domestic boilers installation in Mitcham comes in. We make the whole process painless. We fit A-rated boilers from trusted brands, remove the old unit, flush the system, and make sure every connection is spot on. A new boiler delivers more than just warmth—it provides peace of mind, reduced energy bills, and a safer living environment. We'll talk you through the options and help you pick the perfect boiler for your home, no jargon, no pressure.

If you're living in Mitcham and feeling the squeeze for extra space, looking upward is the smartest solution. A loft conversion in Mitcham can add a master bedroom, home office, or children's playroom without the stress of moving. However, loft conversions involve complex heating and plumbing challenges, especially if you're adding an ensuite or relocating radiators. Our Gas Safe registered engineers carefully design and install heating systems that seamlessly integrate with your existing home's layout. We handle all pipework for new bathrooms upstairs, ensuring consistent water pressure and warmth year-round. With our expertise, your loft becomes a valuable, livable space that adds significant property value.

Now, let's chat about bathrooms. Because honestly, a tired, outdated bathroom can ruin your mood before the day's even started. For folks in Streatham, our bathroom installation in Streatham is all about creating a space that feels like a mini spa. We handle the messy stuff—moving soil stacks, fitting thermostatic showers, laying underfloor heating—so you can enjoy the good stuff. Think sleek tiles, rainfall showerheads, and warm, fluffy towels on heated rails. We'll help you choose fixtures that suit your style and budget, and we'll install them with the kind of care and attention we'd give our own homes. No leaks. No delays. Just a stunning bathroom that makes you smile every morning.

If you're in Mitcham and you're planning a bigger project, you might be wondering who can handle everything—building work, plumbing, heating, the lot. That's where we stand out as the go-to builders in Mitcham . We're not just plumbers and heating engineers—we're a full-service building team. Need a wall knocked down to create an open-plan living space? We can do that. Want a new boiler installed while we build an extension? No problem. Planning a wet room as part of a garage conversion? We've got you covered. We manage the entire build process from start to finish, so you can relax, knowing every detail is in safe, experienced hands. No juggling separate trades. No communication breakdowns. Just one trusted team, dedicated to bringing your vision to life.

At the end of the day, every project we've talked about—whether it's a full house renovation, a loft conversion, a boiler installation, a bathroom installation, or building work—comes down to one thing: trust. That's why Gastector Heating & Plumbing is proud to be the name so many families across Mitcham, Wallington, Streatham, and beyond rely on. We're Gas Safe registered, fully insured, and genuinely care about the work we do. We don't cut corners. We don't disappear halfway through. We show up, we listen, we deliver. And we do it all with a smile. So, if you're tired of juggling separate tradespeople who never seem to talk to each other, give us a call. We'll chat about your project, offer a free, no-obligation quote, and show you what true integrated service feels like. Your home deserves the best. And we're here to give it to you.