Ideal Logic+ Combi Boiler Cost with Installation

The Ideal Logic+ is a compact, award-winning combi boiler that offers quiet operation, high efficiency, and a solid 7-year warranty at an affordable price – making it a popular choice for small to medium homes on a budget.

Let’s take a closer look at the Ideal Logic+ specifications below:

Ideal Logic+ Combi Product Table
	Available outputs	24kW	30kw	33kW
	Type	Combi	Combi	Combi
	Fuel	Gas	Gas	Gas
	Condensing	Yes	Yes	Yes
	Efficiency rating (%)	94	94	94
	ErP	A	A	A
	LPG compatible	Yes	Yes	Yes
	Standard guarantee	7 years*
	Max output (kW)	24	30	35
	Flow rate (l/min)	9.9	12.4	14.5
	Mounting	Wall-mounted
	Dimensions (mm)	700 × 395 × 278
	Typical price (incl. VAT)	£900	£1,000	£1,050
	Typical installation cost (incl. VAT)	£800 to £1,400
	Total cost	£1,700 to £2,300

*Terms and conditions apply.

Ideal Logic+ combi overview

The Ideal Logic+ is a mid-range combi boiler designed to deliver reliable heating and hot water performance with minimal noise and fuss. The Logic+ has become one of Britain’s best-selling combi boilers thanks to its combination of energy efficiency (94% A-rated), compact cupboard-fit design, and budget-friendly price tag. It holds a Quiet Mark accreditation for low noise and has earned multiple awards (including the Queen’s Award for Enterprise in 2013 and Good Housekeeping Recommended status), reflecting its strong reputation for quality and innovation. 

Ideal Logic+ Combi Range
Model output size	House size	Bathrooms	Radiators
24kW	Flats, small homes 1 to 3 bedrooms	1	Up to 10
30kW	Small-medium homes 3 to 4 bedrooms	1 & ensuite	Up to 15
35kW	Larger homes 4 to 5 bedrooms	2	Up to 20

The key to choosing the best boiler is matching the output to your hot water needs rather than assuming bigger is always better. A smaller household with only one bathroom will find the 24kW model perfectly adequate – you’ll save on upfront cost and the boiler will run more efficiently at low demand. Conversely, a home with an extra ensuite or high hot water usage would benefit from the 30kW or 35kW model to ensure strong flow rates. Oversizing a boiler can lead to wasteful on-off cycling, whilst undersizing can result in lukewarm showers at peak times, so it’s important to make an informed choice at checkout.

Key benefits at a glance

• ErP A-rated for both heating and hot water (94% efficiency)
• Compact, lightweight design fits inside a standard kitchen cupboard
• Quiet Mark accredited for low-noise operation (47dB)
• Easy-to-use digital control panel with large backlit LCD display
• Preheat function ensures faster access to hot water at the tap
• Compatible with Ideal Halo, Hive, and other smart controls
• QR codes linked to ‘how to’ videos in the instruction manual
• Built-in frost protection
• Certified to run on 20% hydrogen blend
• LPG conversion kit available for off-grid homes
• Standard 7-year warranty*, with 10-year heat exchanger guarantee

Ideal Logic+ combi technical specifications

For those interested in the engineering details, the Ideal Logic+ combines a tried-and-tested boiler design with modern efficiency features. All models are condensing combis with a single aluminium alloy heat exchanger at their heart – a design Ideal has refined to optimise heat transfer. Aluminium heat exchangers are lightweight and thermally efficient, though they do require a clean heating system to prevent corrosion. With proper maintenance, the Logic+’s heat exchanger has proven durability (backed by a 10-year warranty on this component alone).

Output and efficiency ratings

All Ideal Logic+ combi boilers are ErP A-rated for both central heating and hot water, delivering up to 94% efficiency. This is achieved through the use of a modulating gas valve that automatically adjusts output depending on your heating demand. This reduces on/off cycling and helps lower your energy usage during milder weather or when only small amounts of hot water are needed.

Thanks to this high efficiency, upgrading to a Logic+ from an older, non-condensing boiler can lead to noticeable savings on your annual gas bills – often hundreds of pounds per year, especially in larger or poorly insulated homes.

Dimensions 

A standout aspect of the Logic+ is its compact size. At only 700 mm tall, it can fit into a standard kitchen cupboard, hiding away out of sight. Being the smallest combi in our Best Combi Boilers list, this Ideal combi is ideal for discrete cupboard installation, and with its quiet operation there’s a lot to love about the Logic+.

The lightweight aluminum heat exchanger contributes to this compact form and also keeps the boiler’s weight low, making installations and replacements quicker and safer for engineers.

Components included

Many people wonder what sort of smart controls a boiler has to offer. Whilst the Logic+ doesn’t include built-in Wi-Fi, it is compatible with smart thermostats. Homeowners can opt for Ideal’s Halo smart thermostat or popular third-party options like Hive or Google Nest. These can be connected to the boiler (typically via an OpenTherm) to enable features like remote app control, scheduling, and more nuanced temperature control. Adding smart controls can improve comfort and potentially efficiency, as you can easily tailor your heating schedule and avoid heating an empty home. It’s worth noting that using an OpenTherm-enabled control can allow the boiler to modulate more intelligently, enhancing efficiency.

The Logic+ benefits from a straightforward control panel with physical dial controls for heating temperature and hot water, accompanied by a clear digital display. The display provides useful info such as current boiler status, temperature, and fault codes for easy troubleshooting. There’s also an analogue pressure gauge on the front, so you can easily check that the system pressure is in the optimal range (1.0-1.5 bar when cold) at a glance.

The boiler comes with an integrated filling loop for easy re-pressurisation, and all key components are serviceable from the front – meaning routine maintenance can be done without dismantling the kitchen cabinets. Ideal has also included features like built-in frost protection (which activates the boiler to prevent freezing in cold spaces like lofts or garages) and pre-heating of the hot water heat exchanger (so that you get hot water faster at the tap).

Looking to the future, the entire Logic+ range is ready for 20% hydrogen blending, which the UK government is considering as a step toward greener home heating. This means the boiler will operate safely and efficiently on a gas supply containing up to 20% hydrogen with no modifications. 

Prices and installation costs

One of the attractions of the Ideal Logic+ range is its competitive pricing. The boiler unit itself typically costs around £800 to £1,000, depending on the chosen output. In comparison to many rival models, the Logic+ is an affordable option without compromising on quality or performance.

When budgeting for a new boiler, remember to include installation costs. Professional Gas Safe installer fees for fitting a combi boiler usually cost around £1,200, depending on the complexity of the job and your location. Additional necessary items such as a flue kit, magnetic system filter, smart thermostat or other controls can add roughly £200-£300 to the total. 

A standard horizontal flue kit (to vent exhaust through an exterior wall) is usually around £100 and often comes included in the boiler cost. If your boiler has a vertical flue through a roof, expect a more expensive flue kit (potentially £300-£500) due to the extra materials and roofing work involved

Taking these into account, the total cost for purchasing and installing an Ideal Logic+ Combi boiler generally falls in the range of £1,700 to £2,300 for a typical home.

Ideal Logic+ Combi Costs
Output size	Unit cost (incl. flue)	Total (incl. installation)
24kW	£900	£2,100
30kW	£1,000	£2,200
35kW	£1,050	£2,250

These prices are only indicative, based on our research and actual boiler prices submitted to WhatPrice by homeowners.

To get an accurate price based on your needs, you should request quotes from at least 3 Gas Safe registered installers. They can advise you on the best boiler type for your home and give you tailored estimates to compare. 

Alternatively, you can use the WhatPrice Boiler Cost Calculator to get a guide price for your installation.

Warranty and support

As standard, Ideal provides a 7-year parts and labour warranty on Logic+ Combi boilers, which is longer than the base warranty of many competing models in this class. In addition, the Logic+ includes a 10-year guarantee on the heat exchanger, which is the vital component at the heart of the boiler.

To take full advantage of the warranty, the boiler typically needs to be registered with Ideal within 30 days of installation and must be serviced annually by a Gas Safe engineer. Following these conditions ensures that the 7-year warranty remains valid, and it may be possible to extend the coverage (in some cases up to 10 years on all parts) if installed by an Ideal-accredited installer or if an Ideal system filter is fitted 

Overall, the generous warranty reflects the manufacturer’s confidence in the durability of the Logic+ range and provides homeowners with long-term security against manufacturing faults or breakdowns.

Installation information

An installation for the Ideal Logic+ is typically around £1,200. However, it’s important to remember that no two homes are the same, and your final price will depend on a few key factors. If you’re doing a straightforward swap in the same location, costs stay on the lower end. If your engineer needs to relocate the boiler, upgrade old pipework to meet current safety standards, or navigate a tricky flue position through a roof, the labour time – and the price – will naturally increase.

What to expect on installation day

If additional work is required – such as upgrading pipework or relocating the boiler – your installer should explain this clearly beforehand, including any impact on cost or installation time.

Do you need a system flush or filter?

UK building regulations now mandate a filter be fitted with any new boiler installation, and whilst a full powerflush of existing radiators isn’t a strict requirement, it’s highly recommended. 

Over time, central heating systems accumulate “sludge” (rust) that can clog a new boiler’s heat exchanger. A flush (typically £300-£800 depending on system size and condition) cleans out this debris, and the magnetic filter then keeps it from returning, ensuring the new boiler runs at peak efficiency. Many installers bundle a system flush and filter installation into their quotes for a new boiler; doing so can also help protect your warranty, as manufacturers expect a clean system to be provided.

Finding a Gas Safe registered engineer

To ensure work meets safety regulations and is completed to the best standard, it is a legal requirement that a Gas Safe registered engineer installs your gas boiler.

Before choosing an installer, it’s a good idea to gather quotes from several Gas Safe registered engineers. This allows you to compare pricing, experience, and recommendations, helping you find the right installer.

You can also use the WhatPrice quote service to be matched with vetted, Gas Safe registered installers in your area. 

Reviews and ratings

Ideal Heating has an “Excellent” rating on Trustpilot, with an average score of 4.8 out of 5 from over 60,000 reviews. Customers frequently praise the brand’s engineer support, helpful service teams, and ease of installation. The Logic+ Combi receives its fair share of mentions – both positive and negative – which offer a clearer picture of its real-world performance. We’ve summarised some of the most common reviews below:

Positive reviews

Many customers say their Logic+ boiler is reliable, efficient, and quiet. Several mention smooth installations, strong hot water performance, and neat cupboard-fit sizing.

One reviewer praised Ideal’s engineer response after a leaking component, noting the issue was resolved quickly under warranty.

Other reviewers complimented Ideal’s fast phone support, even during peak winter months, and the clear LCD display and controls were often described as “easy to use.”

Overall, customers who’ve had trouble-free operation say the Logic+ offers excellent value and peace of mind.

Negative reviews

Some reviewers report early faults with their Logic+ boilers – including pressure loss or internal part failures within the first few years.

A few also mention inconsistent hot water or repeated error codes. In many of these cases, frustrations were linked more to the warranty process than the fault itself, with Ideal requesting proof of annual servicing or asking for third-party reports before arranging repairs. Some customers also described delayed engineer visits or cancellations during busy periods.

Note: This is why it’s essential to register the warranty promptly after installation and ensure annual servicing is recorded – both are required for full warranty support and to avoid delays if something does go wrong.

How the Ideal Logic+ combi compares

When choosing a new boiler, it’s helpful to see how the Ideal Logic+ Combi stacks up against similar offerings from other leading brands. Here’s a quick comparison of the Logic+ with a few popular competing combi boilers in the mid-range category:

Ideal Logic+ Combi Comparison Table
Model	Ideal Logic+ Combi	Worcester Bosch Greenstar 4000 Combi	Viessmann Vitodens 050-W Combi
Typical unit price	£1,000	£1,200	£1,150
Heat exchanger	Aluminium	Aluminium	Stainless steel
Standard warranty	7 Years	7 Years	7 Years
Max warranty	10 Years	10 Years	10 Years
Built-in WiFi	No	Yes	Yes
App control	Ideal Halo	Bosch EasyControl	ViCare
Cupboard fit	Yes (700mm high)	Yes	Yes (700mm high)
Max output/bathrooms	35kW 1-2 bathrooms	30kW 1 & ensuite bathrooms	35kW 1-2 bathrooms

Keep in mind that this comparison focuses on key features, but there may be other details that matter more for your home. For personalised guidance on choosing the right boiler, we recommend speaking with a Gas Safe registered engineer.

Final thoughts – is the Ideal Logic+ combi right for you?

The Ideal Logic+ has proven to be a strong competitor for home across the UK, and it’s easy to see why. If you’re looking for a compact combi that can disappear into a cupboard, operate quietly in the background, and won’t break the bank, the Logic+ fits the bill. It’s especially well-suited to small and medium-sized houses or flats – essentially, any property with one bathroom (or two, as long as they’re not used at the same time too often). 

The boiler’s design prioritises user-friendliness and reliability over flashy features, which for many homeowners is exactly what’s needed.

It’s also worth mentioning Ideal’s customer service and warranty strength: the 7-year warranty indicates the confidence Ideal has in this product (and they’ve been making Logic boilers since 2009, continuously improving them). Knowing that help is a phone call away and parts are readily available nationwide is a big plus for peace of mind. Many heating engineers like the Logic+ too, citing it as easy to install and maintain – which can mean fewer labor hours (and lower costs) if any repairs or servicing are needed.

That said, if you require more from your boiler – for instance, if you have multiple bathrooms in constant use, or you want the latest smart tech integration out of the box, or you want a boiler with a 10+ year warranty standard – you might consider looking at the next tier up. Ideal’s own Logic Max is essentially the same boiler supplied with an Ideal system filter and a 10-year warranty, giving you extra cover for a bit more money. Or, the Ideal Vogue Max (with a 12-year warranty) offers a stainless steel heat exchanger and higher outputs for larger homes. Competitors like the Worcester Greenstar 4000 or Viessmann Vitodens 100-W also cater to that premium segment with more features and longer warranties (at a higher price point, of course).

The Ideal Logic+ combi strikes a great balance of performance, price, and reliability for the majority of homeowners. It’s a no-nonsense boiler that delivers exactly what most households need: efficient heating and hot water, without unexpected bills. Provided you match the output to your needs and take care of it with annual servicing, the Logic+ is very unlikely to let you down – making it a smart, value-for-money choice for your new boiler. 

FAQ