Central Heating in Edinburgh
Full central heating installs, system upgrades and power flushing across Edinburgh and the Lothians — built to last, sized properly, and honest about what your property needs.
Macara Heating designs, installs and upgrades full central heating systems across Edinburgh — from sludge-clogged microbore loops in 1970s semis through to full system overhauls in Victorian terraces and new heating layouts in extensions and conversions. Every project is handled by Gas Safe registered engineers with more than twelve years of experience across Edinburgh's varied housing stock. Proper heat loss sizing, balanced flow rates, clean pipework, and radiators matched to each room — the sort of heating system that runs quietly, warms the house evenly, and doesn't keep you on the phone to us every winter.
Local Context
Central heating work in Edinburgh is more varied than most UK cities because the housing stock is more varied. Victorian and Edwardian tenements through Marchmont, Newington, Bruntsfield and Leith often still have original microbore pipework, single-pipe legs and radiators sized more by habit than calculation. 1930s semis across Corstorphine, Craigleith and Fairmilehead typically sit on 22mm/15mm two-pipe systems that are fundamentally sound but half-blocked with decades of corrosion and sludge. Post-war estates in Wester Hailes, Pilton and Sighthill often have heating loops designed around back boilers that were replaced once in the 1990s and never rebalanced since. Every archetype needs a different conversation.
The most common Edinburgh central heating call we get is from a homeowner whose rooms heat unevenly, whose bills have quietly crept up, and whose radiators take longer to get warm than they should. Nine times out of ten, that's a combination of sludged pipework, unbalanced flow, and a system that was never properly sized for the current fabric and glazing. A thoughtful power flush, magnetic filtration, a rebalance and sometimes two or three upsized radiators will transform the house without touching the boiler. We'll tell you that rather than defaulting to a full system rip-out.
Where we do recommend a full central heating overhaul is in properties where the pipework itself is past economic repair — corroded microbore that leaks as soon as it's pressurised, lead-jointed runs under floorboards that can't be recommissioned, or systems where the boiler is in one corner of the house and the demand has moved. Full overhauls in Edinburgh tenements and terraces need careful pipework routing through listed fabric, and we handle them with as little disruption to decor, plaster and floorboards as the building allows.
Future-proofing matters too. A lot of Edinburgh homeowners are thinking two upgrades ahead — this year's boiler replacement, but next decade's heat pump conversion. Radiator sizing, flow temperature and pipe diameters that are fine for a high-temperature gas boiler can strand a household five years later when they want to move to a low-temperature heat pump. We'll have that conversation honestly on the survey visit if it's relevant, so your central heating investment works today and doesn't block tomorrow's options.
Service Scope
New central heating systems from scratch — new pipework, new radiators, new controls, and a properly sized boiler or cylinder at the heart of it. Heat loss calculated room by room against the current fabric, not a rule of thumb. Clean runs, quiet operation, and a full commissioning sheet when we finish.
Heavy-duty power flushing for sludged and unbalanced systems, magnetic filtration fitted on the return, and a proper rebalance once the loop is clean. Often the cheapest and most effective upgrade an older Edinburgh system can have — and always worth doing before a new boiler goes on.
Upsized radiators where rooms are under-heated, thermostatic valves and room stats fitted correctly, zoning where it genuinely makes sense, and modern weather-compensating controls where the boiler supports them. No upselling features you won't use — just the bits that actually make your house more comfortable.
How It Works
Step 1
We come to your property, look at the current pipework, inspect the radiators, test a few flows and temperatures, and ask what you're actually unhappy with. Often the answer is a flush and a rebalance, not a rip-out — and we'll tell you that on the day rather than pushing a quote for work you don't need.
Step 2
For full installs and major overhauls, we do a room-by-room heat loss calculation against your actual fabric and glazing, size the radiators and pipework around that, and lay out the pipe routes with as little disruption as the property allows. You'll see the design in writing before anything is ordered.
Step 3
A clear written quote with a proper breakdown — radiators, valves, controls, pipework, labour and any making-good. Agreed schedule, ordered materials, and a realistic timeline. No hidden extras mid-job.
Step 4
Install typically runs 2–5 days depending on scope, with dust sheets down and a tidy site at the end of each day. We commission the system to benchmark standards, balance the flows, walk you through the controls, and leave you with written documentation for your records.
Coverage Detail
Tenement flats and main-door properties through Marchmont, Newington and Bruntsfield are where we do a lot of our central heating rehabilitation work in Edinburgh — old microbore, unbalanced flows, and radiators that have been there since the boiler was a back boiler. A thoughtful flush, rebalance and two or three upsized radiators usually transform the flat without touching the fabric. Full overhauls happen where the pipework is genuinely past recovery, and we route new runs with as little disruption to original features as possible.
The 1930s semis and bay-fronted villas through Corstorphine, Craigleith and Murrayfield mostly run sound two-pipe systems that have been neglected rather than damaged. Power flush, filter, rebalance, and occasionally an upsized rad or two in the conservatory or extension is usually enough. Where a full overhaul is warranted it's often driven by an extension or layout change rather than the existing system failing.
Larger detached and semi-detached properties through Cramond, Barnton and Davidson's Mains often have mixed heating histories — original 1970s systems, a mid-2000s partial upgrade, and a recent boiler change without a rebalance. The result is uneven room temperatures and higher bills than the house should ever see. A proper redesign of the loop, correctly sized radiators for the current fabric, and modern controls brings those houses back in line quickly.
Colinton, Fairmilehead and Swanston include a lot of detached 1960s–1980s housing where the central heating was fitted once, upgraded once, and never rebalanced. These are some of the best power-flush-and-rebalance candidates in the city — cheaper than a full overhaul, dramatic improvement in comfort and efficiency, and usually a straight path to a future heat pump if the homeowner wants to go that way later.
Central heating in Leith, Trinity and Newhaven splits cleanly between the older Victorian and Edwardian stock — which often needs careful pipework routing through listed fabric — and the newer waterfront developments where the heating is usually fine and just needs commissioning or minor upgrades. We handle both, and we'll tell you which category your property sits in on the first visit.
The western edge of Edinburgh includes a lot of properties on older heating systems that are ready for a full upgrade, often alongside a boiler change or, where LPG or oil is involved, a longer conversation about heat pump conversion. Central heating design in these properties has to consider flow temperature, radiator sizing and pipework diameters against whatever fuel the house is likely to be running in ten years' time.
FAQs
A full central heating install in an Edinburgh home — new pipework, radiators, controls and a correctly sized boiler — typically sits in the £5,500–£9,500 range depending on property size, number of radiators, and whether the existing pipework can be partially reused. A major overhaul with new radiators and a rebalance but existing pipework kept is usually in the £3,000–£6,000 range. We quote in writing with a full breakdown so you know exactly what's included.
In the majority of cases we see across Edinburgh, a proper power flush, magnetic filter, and rebalance transforms the system without any need for a full overhaul. Uneven room temperatures, slow-to-warm radiators and creeping bills are usually symptoms of sludge and poor balance, not fundamentally broken pipework. We'll tell you on the home visit which camp your system is in — and we're as happy quoting for a flush as we are for a full install.
A full central heating install in an Edinburgh flat or small semi is usually a 2–3 day job. Larger detached houses, or projects that include an extension or layout change, typically run 3–5 days. Tenement installs can take longer where listed fabric and original floorboards slow down pipe routing. We'll give you a realistic timeline in writing up front and stick to it.
Yes — and it's exactly the right conversation to have before the install rather than after. If there's any chance you'll move to an air source heat pump in the next five to ten years, we'll size the radiators and pipework for a lower flow temperature now, so the system is heat-pump-ready when you make that switch. Doing it the other way round is expensive. This is the sort of conversation we'd much rather have on the survey visit than three years later when the options have narrowed.
Yes. We do a lot of tenement and main-door central heating work across Marchmont, Newington, Bruntsfield, Leith and the New Town. Pipework routing through listed fabric needs care, original floorboards need respect, and building warrant considerations apply in listed stairs. We've done enough of these to know what's achievable cleanly and what's going to cause problems with the property.
The opposite — most modern boiler manufacturers require a clean system and a fitted magnetic filter as a condition of honouring the warranty. We carry out the flush to manufacturer benchmark standards, leave you with written documentation, and register the warranty on your behalf so everything is cleanly recorded. If you're putting a new boiler on an existing system, a power flush first is almost always the right call.
Macara Heating is Gas Safe registered, LPG certified, and draws on more than twelve years of domestic heating experience across Edinburgh and the Lothians. We design central heating systems around your property's actual fabric, install them cleanly, commission them properly, and balance them before we leave. Local team, honest advice, no outsourced labour, and no disappearing act once the van leaves.
Ready When You Are
Tell us what's bothering you about your current heating and we'll come out for a no-obligation home visit. You'll get a straight answer on whether a flush and rebalance will fix it or whether a bigger job is the right call, a written quote with a proper breakdown, and a clean install on a timeline we'll actually stick to.
Gas Safe registered, LPG certified, 12+ years of Edinburgh heating experience. No pressure, no hard sell.