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Witten by Bernard Morgan (Engineer) & Adam Apperley (Marketing). Published: March 3, 2021. Updated: October 27, 2023

Baxi vs Worcester Bosch Boilers

Baxi and Worcester Bosch are two of the most popular boiler brands in the UK.  Whilst Worcester Bosch is considered a more premium brand and the market leader in the UK, Baxi is considered to be an affordable boiler brand – however, this doesn’t necessarily make it a cheap boiler brand.

We appreciate buying a boiler isn’t an easy process and that is why we have compiled this guide comparing the Baxi and Worcester Bosch boiler ranges.

As an independent boiler installation company, at Boilerhut we have no affiliation with either Baxi or Worcester Bosch and for this reason, we guarantee that this guide is unbiased and based on the knowledge and experience of our engineers with over 30 years of experience.

Who is Baxi?

Baxi is a part of the Netherlands based BDR Thermea Group, with their headquarters based in Apeldoorn. Baxi has been manufacturing in the UK since 1866.  The BDR Thermea Group operates in more than 70 countries worldwide, employing over 6,400 people and has annual sales of close to €1.7 billion. Baxi Heating has since also acquired some of the most known brands in the UK and Ireland, which includes Baxi, Potterton, Main Heating, Heatrae Sadia, Megaflo, Remeha, Andrews Water Heaters, Potterton Commercial, and Packaged Plant Solutions. 

Who is Worcester Bosch?

Worcester Bosch is the market leader for boilers in the UK.  They enjoy a brand reputation that is second to none in the UK, because of past success due to their build quality, reliability and availability of parts.  The Worcester name goes a long way in building trust too, a source of national pride in some cases, even if the company is entirely owned by a German company.  Previously Worcester Boilers, started by Cecil Duckworth in 1962.  Bosch acquired Worcester in 1992.

The Worcester Bosch boiler range

Worcester Bosch’s boiler range includes the following domestic boilers for purchase in the UK:

  • Greenstar 8000 Combi Boiler Gas – From £2300 (inc. VAT)
  • Greenstar Si Compact Combi Boiler Gas – From £2160 (inc. VAT)
  • Greenstar CDi Compact Combi Boiler Gas – From £2178 (inc. VAT)
  • Greenstar CDi Highflow Combi Boiler Gas – From £2630 (inc. VAT)
  • Greenstar Heatslave II Combi Boiler Oil – From £2895 (inc. VAT)
  • Greenstar 2000 Combi Boiler Gas – From £1720 (inc. VAT)
  • Greenstar 8000 Life Combi Boiler Gas – From £1900 (inc. VAT)
  • Greenstar 8000 Style Combi Boiler Gas – From £2446 (inc. VAT)
  • Greenstar i System Boiler Gas – From £1900 (inc. VAT)
  • GB162 System Boiler Gas – From £2700 (inc. VAT)

Our thoughts on the current Worcester Bosch boiler range

Brand Reputation, Quality & Performance Benefits

  • The current market leader for domestic boilers in the UK and its boilers have been installed in over one million homes across the UK
  • Named as the UK’s Best Domestic Boiler Manufacturer in Build Magazine’s 2020 Home and Garden Awards
  • Ranked in the top 10 best brands in the UK Domestic Appliance sector of the YouGov BrandIndex
  • Awarded Which? Best Buy status for the past 11 years
  • Worcester Bosch boilers are assembled in the UK, with the gas boilers being assembled at the headquarters in Worcester and oil boilers being assembled at the company’s site in Clay Cross, Derbyshire – it should be noted though that Worcester Bosch source many of its components from third-party companies , most notably its heat exchangers
  • Awarded the Royal Warrant by Her Majesty the Queen for supplying hot water products to the Royal Family at the Sandringham Estate
  • Equivalent flow rate to Baxi boilers

Value for Money, Warranties and Efficiency Benefits

  • Worcester Bosch is unfortunately  known for being overpriced and utilise plastic components and crucially, an aluminium heat exchanger across their boiler range
  • Worcester Bosch’s guarantee covers replacement parts, call-out costs and labour charges  – although comprehensive, Worcester Bosch’s guarantees vary in length and can be confusing to customers. As an example, the Lifestyle boiler range come with a 12 year guarantee when the boiler is installed by a Worcester Bosch Accredited Installer and a Worcester Bosch Greenstar system filter is installed, whilst the Greenstar gas boiler range has a 5 year guarantee, as standard, and a 10 year guarantee when installed by a Worcester Bosch Accredited Installer and a Worcester Bosch Greenstar system filter is installed

The Baxi boiler range

Baxi’s boiler range includes the following domestic boilers for purchase in the UK:

  • Baxi 200 Combi Gas – From £1550 (Inc. VAT)
  • Baxi 400 Combi Gas – From £1620 (Inc. VAT)
  • Baxi 600 Combi Gas – From £1800 (Inc. VAT)
  • Baxi 800 Combi Gas – From £2000 (Inc. VAT)
  • Baxi Duo-tec Combi Gas – From £1800 (Inc. VAT)
  • Baxi Platinum Combi Gas – From £1800 (Inc. VAT)

Our thoughts on the current Baxi boiler range

Our team comprises heating engineers who have been installing boilers for decades, here are their thoughts on the current Baxi boiler range:

Brand Reputation, Quality & Performance Benefits

  • Better flue options including twin flues
  • Part of a group that also includes the recognised and trusted brand, Potterton
  • Baxi boilers are manufactured in the UK at sites in Preston, Norwich and Milton Keynes
  • Equivalent flow rate to Worcester Bosch boilers
  • Overall Which? score of 54% – compared to competitors such as Worcester Bosch and Viessmann who are being awarded Which? Best Buy Status, this isn’t good and doesn’t represent great customer satisfaction
  • However, despite the above, the services provided by the Baxi customer service engineers have been approved by Which? Trusted Traders

Value for Money, Warranties and Efficiency Benefits

  • Known as an affordable boiler brand, offering good value for money
  • With up to 10 year parts and labour warranties available, Baxi offers peace of mind for both the homeowner and the installer.
  • Amongst the Baxi boiler range, there are Energy Saving Trust endorsed products including Duo-tec 24 Combi and Megaflo 15 System

Baxi vs Worcester Bosch – Boiler Comparison

Typical Baxi boiler: Baxi Platinum 28 Combination Boiler

Key Features:

  • 10 year warranty (terms and conditions apply)
  • Instant hot water. Flow rate of up to 16.4 litres per minute.
  • Easy-Fill permanent filling loop. 
  • Easy to use controls
  • Meets minimum energy efficiency rating required for Boiler Plus compliance.
  • Energy Saving Trust Endorsed
  • Easy to install – comes with a pre-plumbing jig to save the installer time and money.

Baxi Boiler Cost:

From £1800 inc VAT 

Baxi Boiler Care

With anything manufactured by Baxi, you know you’re getting a good quality product. Whether you’re researching Baxi boiler reviews, or you’re looking into Baxi boiler care and the services they offer, it pays to know how much you’d be paying. However, regardless of the quality, you still want to make sure you choose an installer who has a close working relationship with the manufacturer. Those positive Baxi boilers reviews don’t come from thin air!

Technical Specification

Warranty (Years) 10
Width (mm) 450
Height (mm) 780
Depth (mm) 345
Output (Kilowatts) 28
ErP Space Heating Efficiency A
ErP Water Heating Efficiency A
Noise Level (Decibels) 53
Flow Rate (L/min) 11.5

Typical  Worcester Bosch boiler: Worcester Bosch Greenstar CDi Compact 28kW

Key Features:

  • High efficiency 
  • One of the most trusted boiler brands in the UK.
  • The highest hot water flow rate of the Greenstar combi range
  • Simple boiler control knobs with clear temperature display
  • Frost protection included
  • Higher output options for larger properties
  • Wide choice of controls
  • Instantaneous hot water

Worcester Bosch Boiler Cost:

From £2178 inc VAT 

Technical Specification:

Warranty (Years) 5
Width (mm) 390
Height (mm) 690
Depth (mm) 280
Weight (Kg) 32.9
Output (Kilowatts) 28
ErP Space Heating Efficiency A
ErP Space Heating Efficiency A
Noise Level (Decibels) 52
Flow Rate (L/min) 10

Typical  Worcester Bosch boiler: Worcester Bosch Greenstar CDi Compact 28kW

Key Features:

  • High efficiency 
  • One of the most trusted boiler brands in the UK.
  • The highest hot water flow rate of the Greenstar combi range
  • Simple boiler control knobs with clear temperature display
  • Frost protection included
  • Higher output options for larger properties
  • Wide choice of controls
  • Instantaneous hot water

Worcester Bosch Boiler Cost:

From £2178 inc VAT 

Technical Specification:

Warranty (Years) 5
Width (mm) 390
Height (mm) 690
Depth (mm) 280
Weight (Kg) 32.9
Output (Kilowatts) 28
ErP Space Heating Efficiency A
ErP Space Heating Efficiency A
Noise Level (Decibels) 52
Flow Rate (L/min) 10

Verdict

Comparing the two manufacturers, the verdict is clear.  Worcester Bosch, even if overpriced, is the better option at least in terms of reliability and complaints.  Worcester Bosch boilers are known for not only being reliable but also highly efficient.

Winner: Worcester Bosch

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