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Combi boilers are the most popular type of boilers found in homes — both heating your water and providing central heating at the same time. Each combi boiler you'll find here were carefully selected, taking into consideration the boiler output, warranty length, energy efficiency, capacity, fitting location and much more. If you already know what specifications you're looking for with your next combination boiler, use our filter system to navigate our website for tailored searches. Otherwise, scroll through to enjoy a selection of combination boilers from trusted brands.

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Filter Results
238 results
baxi-636-gas-combi-2-boiler

Baxi 636 36kW Gas Combi 2 Boiler - 7796588

£1,198.80 inc
VAT
worcester-greenstar-8000-40kw-gas-combi-boiler-horizontal-flue

Worcester Greenstar 8000+ 40kW Gas Combi Boiler - Horizontal Flue

More Options Available
£2,148.31 inc
VAT
baxi-430-30kw-gas-combi-boiler-21-natural-gaslpg-horizontal-flue

Baxi 430 30kW Gas Combi Boiler 2.1 (Natural Gas/LPG) - Horizontal Flue

£889.18 inc
VAT
Save £105.67 | Was £994.85
warmflow-agentis-21-27kw-external-combination-oil-boiler

Warmflow Agentis 21-27kW External Combination Oil Boiler - E26C

More Options Available
£3,346.79 inc
VAT
astro-12kw-electric-combi-boiler-v2

EHC Fusion Astro 12kW Electric Combi Boiler V2 - ASTRO12KW.V2

£1,169.63 inc
VAT
Save £59.35 | Was £1,228.98
warmflow-agentis-21-27kw-combination-oil-boiler

Warmflow Agentis 21-27kW Combination Internal Oil Boiler - I26C

More Options Available
£3,209.99 inc
VAT
keston-combi-2-c30-twin-flue-combi-boiler-228344

Keston Combi 2 C30 Twin Flue Combi Boiler - 228344

£1,431.71 inc
VAT
worcester-bosch-greenstar-8000-style-36kw-gas-combi-boiler-black-7736702581

Worcester Bosch Greenstar 8000+ Style 36kW Gas Combi Boiler Black - 7736702581

More Options Available
£1,903.38 inc
VAT
glow-worm-energy-25kw-combination-boiler-natural-gas-erp

Glow-worm Energy 25kW Combination Boiler Natural Gas ErP - 0010035896

£1,016.01 inc
VAT
Save £124.57 | Was £1,140.58
baxi-400-430-36kw-combi-21-boiler-lpg-7872837

Baxi 436 36kW Gas Combi Boiler 2.1 (Natural Gas/LPG) 7872837

£911.14 inc
VAT
Save £72.67 | Was £983.81
baxi-430-30kw-gas-combi-boiler-21-natural-gaslpg-vertical-flue

Baxi 430 30kW Gas Combi Boiler 2.1 (Natural Gas/LPG) - Vertical Flue

£910.08 inc
VAT
Save £72.59 | Was £982.67
glow-worm-energy7-35c-combination-boiler

Glow-worm Energy7 35kW 35C Combination Boiler 0010035898

£1,377.59 inc
VAT
Save £90.54 | Was £1,468.13
worcester-bosch-greenstar-8000-style-32kw-gas-combi-boiler-black-7736702580

Worcester Bosch Greenstar 8000+ Style 32kW Gas Combi Boiler Black - 7736702580

More Options Available
£1,717.13 inc
VAT
baxi-630-gas-combi-2-boiler

Baxi 630 30kW Gas Combi 2 Boiler - 7796587

£1,046.96 inc
VAT
worcester-greenstar-32cdi-compact-combination-boiler-natural-gas-erp

Worcester Bosch Greenstar 32CDi 32kW Compact ErP Combi Gas Boiler - 7733600055

More Options Available
£1,415.71 inc
VAT
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