Heating System Installation
Installing a full central heating system — whether replacing an ageing one room-by-room or fitting one into a property that's never had proper central heating — is as much about getting the design right as the installation itself: radiator sizing for each room, pipe runs, and where controls go all affect how well the finished system actually performs, not just whether it technically works.
What's Included
- System designed around the property, not a one-size-fits-all layout
- Advice on energy-efficient controls (zoning, smart thermostats) at the design stage, not as an afterthought
- Coordination of all the trades a full install touches (electrics for controls, minor building work for pipe routes)
- System tested and balanced room-by-room before handover
How It Works
- 1 Survey of the property to assess existing pipework, radiator positions, and where a new system needs to route
- 2 Design proposal covering boiler/system type, radiator sizing per room, and control options
- 3 Installation, typically scheduled to minimise how long the property is without heating
- 4 Full system commissioning and room-by-room balancing before handover, with a walkthrough of the new controls
Common Issues
- • Replacing an ageing system that's becoming unreliable
- • Adding central heating to a property that's never had it
- • Undersized radiators from a previous, lower-spec installation
Pricing: Full installations are quoted individually after a survey (indicative — confirm actual pricing with Rainbow Fix Ltd)
Heating System Installation — Frequently Asked Questions
How long does a full heating system installation take?
A full replacement in an existing property with radiators already in roughly the right places is typically a matter of days rather than weeks, but a property having central heating fitted for the first time — where pipe runs and radiator positions all need creating from scratch — takes considerably longer, since it involves more building work alongside the heating installation itself. The survey stage is what turns this from a guess into an actual timeline for your specific property.
Do I need to replace all my radiators if I'm getting a new system?
Not necessarily — radiators in good condition and correctly sized for the room can often be kept and reconnected to a new system, which saves cost. The exception is if the existing radiators were undersized for the room in the first place (a common issue in older UK homes where radiators were fitted decades ago to a lower heating standard), in which case keeping them would mean the new system underperforms in that room regardless of how good the boiler is.
What's the difference between zoned heating and a standard single-zone system?
A standard system heats the whole house to one thermostat's setting at once; a zoned system splits the property into separate areas (commonly upstairs/downstairs) that can be heated independently and on different schedules. Zoning tends to make the most practical difference in larger properties, or where parts of the house are used at very different times of day — it's worth discussing at the design stage rather than added on later, since retrofitting zoning after the pipework is in place is more disruptive.
Will a new system definitely lower my heating bills?
A well-designed, correctly sized new system installed with modern controls will generally run more efficiently than an old, poorly balanced one, but the actual saving depends heavily on the property's insulation and how the old system was being used beforehand — a new system can't fully compensate for a poorly insulated house. Being honest about that trade-off at the design stage, rather than overpromising a specific saving, is part of giving you a realistic picture before you commit.