Boiler Installation Costs in Castleford (2025 Guide)
If you're looking for a new boiler in Castleford or the Five Towns area, this guide breaks down everything you need to know: realistic prices, what affects the cost, and what you can expect from a proper installation.
Douglas Heating & Electrical Ltd is a Castleford-based heating and electrical company providing honest pricing, Gas Safe installation, and fast turnaround times.
Typical Boiler Installation Prices (2025)
Combi → Combi Replacement
£1,800 – £2,600 (most common)
Includes:
• New A-rated combi boiler
• Flue kit
• Magnetic filter
• Chemical flush
• Inhibitor
• Benchmark registration & warranty activation
System → Combi Conversion
£2,900 – £4,200
Includes:
• Cylinder removal
• Pipework alterations
• Removal/bypass of cold-water tanks
Back Boiler Replacement
£3,500 – £4,800
Includes:
• Removal of fire/back boiler
• New boiler installation in a suitable location
• Pipework upgrade & safety works
Full Central Heating Installation
£4,500 – £7,500+
Includes:
• Boiler, radiators, pipework, smart controls
What Affects the Cost?
• Boiler size (kW): Most 2–4 bed homes need 24–30kW
• Boiler brand & warranty length
• Location of the boiler (moving location increases cost)
• Gas pipe upgrades may be required in older homes
• Flue type: long or vertical flues cost more
• System condition: dirty systems may need a flush
Our 5-Step Installation Process
Quick Assessment — same-day quotes often available with photos
Clear, fixed-price quote — no hidden extras
Professional installation by Gas Safe engineers
System clean & setup — chemical flush, filter, commissioning
Handover & aftercare — setup help, controls, and support
Why Choose a Local Castleford Installer?
• Fast response — we’re based in Castleford • Honest, no-fuss pricing • Knowledge of local property types • Small, friendly, trusted team
Areas We Cover
Castleford, Pontefract, Normanton, Methley, Featherstone, Glasshoughton, Airedale, and surrounding villages.
Customer Reviews
Request a Fast, Fixed Price Quote
We provide same-day quotations and can often install within 48 hours depending on availability.
Phone: 01977 229 423
Email: info@douglasheating.co.uk