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Glow-Worm Compact Combi Boiler — Supplied & Installed in Bournemouth, Poole & Dorset

The Glow-Worm Compact Combi is one of the lightest and most compact combi boilers on the market — yet it delivers reliable, efficient heating and hot water for homes throughout Dorset. Available in 24kW and 28kW outputs, it’s an excellent choice for smaller to medium-sized properties looking for a no-fuss, space-saving upgrade.

Installed from £1,299 + VAT  ·  Gas Safe Registered (No. 943146)  ·  Free 5-Year Guarantee  ·  01202 668822

Glow-Worm Compact Combi — Key Features

Despite its compact footprint, this boiler punches well above its weight. Here’s what makes it stand out:

Available in 24kW & 28kW

Two output sizes to suit a range of home types. The 24kW is ideal for smaller homes with one bathroom; the 28kW suits medium-sized homes with higher hot water demand.

ErP A-Rated Efficiency

Achieving 92% (24kW) and 93% (28kW) ErP efficiency, the Compact Combi helps keep energy bills down without compromising on performance.

Compact & Cupboard-Fit Design

At just 626 × 400 × 270mm, this is Glow-Worm’s lightest boiler ever. It fits neatly into a standard kitchen cupboard, freeing up space elsewhere in the home.

User-Friendly LCD Display

The clear, intuitive LCD screen makes it easy to adjust settings, check status, and spot any issues — no need to call an engineer for simple adjustments.

Exceptionally Quiet Operation

Sound power levels of just 52dB(A) (24kW) and 54dB(A) (28kW) make this one of the quietest boilers in its class — ideal if it’s located in a bedroom, hallway, or living space.

Free 5-Year Guarantee

Every new Glow-Worm Compact Combi comes with a free 5-year manufacturer’s guarantee straight out of the box — no registration hoops to jump through.

Is the Glow-Worm Compact Combi Right for Your Home?

Glow-Worm Compact Combi boiler installed in Poole

The Compact Combi is particularly well suited to properties where space is at a premium. If you’re replacing an older back boiler, a conventional boiler with a hot water cylinder, or simply want to free up airing cupboard space, this is a strong candidate. Its slim profile means it can go almost anywhere a cupboard exists — kitchen, utility room, bathroom, or hallway.

As a combi boiler, it heats water on demand — so there’s no need for a separate cold water tank or hot water cylinder. That means less pipework, a simpler installation, and hot water whenever you need it. For homes with one or two bathrooms and up to three bedrooms, the 24kW model is usually sufficient. Step up to the 28kW if you have higher simultaneous hot water demands.

Not sure which output is right for you? Call us on 01202 668822 and we’ll recommend the right size for your property.

Technical Specifications

Both versions share the same compact dimensions, making planning your installation straightforward regardless of output size.

Specification 24kW 28kW
Dimensions (H × W × D) 626 × 400 × 270mm 626 × 400 × 270mm
ErP Efficiency 92% 93%
ErP Rating A A
Sound Power Level 52 dB(A) 54 dB(A)
Guarantee 5 Years (free) 5 Years (free)

Glow-Worm Compact Combi Pricing — Poole & Bournemouth

Glow-Worm Compact Combi 24kW — Supplied & Installed

£1,299 + VAT

Prices from — final price confirmed after free survey

Includes the Glow-Worm Compact Combi 24kW boiler unit, full installation by a Gas Safe registered engineer, flue, standard fittings and commissioning. Old boiler removal and disposal included as standard.

Call to Book — 01202 668822
Glow-Worm Compact Combi 28kW — Supplied & Installed

POA + VAT

Call for a free, no-obligation quote

The 28kW model is suited to larger homes with higher hot water demand. Price varies depending on existing system configuration and access. Call us for a free survey and written quote.

What’s Included in Our Installation

Our Glow-Worm Compact Combi installations are fully managed from start to finish — no hidden costs, no subcontractors.

Supply of Glow-Worm Compact Combi boiler (24kW or 28kW)

Full installation by a Gas Safe registered engineer

Flue kit and standard fittings included

Removal and disposal of your old boiler

System flush and inhibitor treatment

Boiler commissioning and pressure test

Full handover and Gas Safe certificate issued

Why Choose Dorset Plumbing Ltd?

✓  Gas Safe Registered — Gas Safe No. 943146. Every installation is legal, safe, and fully certified.

✓  Glow-Worm Approved Installer — trained and authorised to install and commission Glow-Worm products.

✓  Transparent Pricing — fixed written quotes, no hidden extras, no surprises on invoice day.

✓  Local to You — based in Poole, covering Bournemouth, Christchurch, and wider Dorset. Fast response, no inflated call-out charges.

✓  Full Aftercare — we don’t disappear after install. Annual servicing, warranty support, and repairs all available.

✓  Tidy, Respectful Engineers — we work cleanly, protect your home, and leave the job site as we found it.

Get a Free Quote on a Glow-Worm Compact Combi

We offer free, no-obligation surveys for boiler installations across Bournemouth, Poole, Christchurch, and the surrounding Dorset area. We’ll assess your existing system, recommend the right output size, and provide a written quote with no hidden costs.

Ready to get started? Call us on 01202 668822 or email info@dorsetplumbing.com.

Glow-Worm Compact Combi Installation Areas — Bournemouth, Poole & Dorset

We carry out Glow-Worm boiler installations across Bournemouth, Poole, Christchurch and the surrounding Dorset area. As a local company based in Poole, we offer fast response times and competitive pricing throughout our coverage area — no inflated travel charges.

Bournemouth: Boscombe, Southbourne, Winton, Moordown, Charminster, Kinson, Westbourne, Talbot Woods, Pokesdown, Iford, Hengistbury Head

Poole: Sandbanks, Parkstone, Lilliput, Whitecliff, Canford Heath, Broadstone, Hamworthy, Oakdale, Creekmoor, Branksome

Wider Dorset: Christchurch, Highcliffe, Ringwood, Ferndown, Wimborne, Verwood, West Moors, Wareham, Blandford Forum

Not listed? Call us on 01202 668822 — we likely cover your area.

Frequently Asked Questions

Which output should I choose — 24kW or 28kW?

For most homes with one bathroom and up to three bedrooms, the 24kW model is sufficient. If you have a larger home, a higher demand for simultaneous hot water use, or two bathrooms, the 28kW is the better choice. We’ll confirm the right size during a free pre-installation survey.

How long does installation take?

A straightforward like-for-like combi boiler replacement typically takes one day. More complex installations — such as converting from a conventional system or relocating the boiler — may take a day and a half to two days. We’ll give you a realistic timeframe when we visit.

What does the 5-year guarantee cover?

The Glow-Worm free 5-year guarantee covers parts and labour for manufacturing defects. To keep the guarantee valid, the boiler must be serviced annually by a Gas Safe registered engineer. We offer annual boiler servicing from £89 + VAT.

Can the Glow-Worm Compact Combi fit in a kitchen cupboard?

Yes — that’s one of its key selling points. At 626 × 400 × 270mm, it’s designed specifically to fit into a standard kitchen cupboard. We’ll check clearances and flue routing during the survey to confirm suitability for your specific cupboard.

Need a Plumber in Bournemouth or Poole?

Call us now for a free quote or to book an appointment. Friendly, local, and available when you need us.