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Baxi 100 LPG Review and Prices Guide

If you live in a 1 to 4 bedroom home with one bathroom that does not connect to the mains gas supply, you might like the sound of the compact kitchen cupboard fit Baxi 100 LPG Combi boiler.

Baxi 100 Combi LPG Compare Boiler Quotes

This Boiler is well recognised for energy efficiency.

It does not need an LPG conversion kit as it uses the fuel source: liquefied petroleum gas.

If you want a high-efficiency boiler but live off the gas grid, you may want to consider the Baxi 100 Combi LPG. It is a lightweight and compact combination boiler that uses liquefied petroleum gas as its fuel source without the need for an LPG conversion kit. Plus, this Boiler is A-rated for energy efficiency and meets the rating requirements for Boiler Plus compliance.

What is the Cost of this Baxi 400 LPG Boiler?

The boiler will vary on price depending on which size kW your Gas Safe engineer recommends you need.

This price will not include boiler installation fees but will consist of VAT. The costs for the Baxi 100 Combi start from £620 to £800.

If you would like a boiler including installation fees go to 

Is the Baxi 100 LPG Boiler suitable for My Home?

Your Gas Engineer will tell you if this is the right Boiler for your home to run comfortably and efficiently.

Combi boilers will not be advised for people with multiple bathrooms that need to run more than one tap at once.

They are great for properties with limited space as they do not require extra tanks or cylinders and will fit in a kitchen cupboard.

This Baxi boiler is available with two different output flow rates for homes that are not connected to the mains gas supply.

The 24kw would be suitable for a home with 1 to 3 bedrooms and one bathroom. The 28kW would be ideal for a 1 to 4 bedroom home with one bathroom

What is the Efficiency of this Boiler

Baxi 100 Combi LPG Compare Boiler Quotes

This Baxi boiler is recognised by The Energy Saving Trust and is A* rated for energy efficiency, and this instantly tells you this is a high-efficiency boiler. Energy-efficient means you are environmentally friendly and will be saving money on your energy bills.

To make your Boiler more efficient, it can be connected to a uSense smart thermostat. This meaning you can set your temperature to what suits you wherever you are in the world and also helps by not wasting energy, having the heating on when it is not needed.

The Baxi 100 Combi has a rating of 89.1% for energy efficiency.

Controls and Accessories of this Boiler?

This Baxi boiler has built-in frost protection and a choice of flue lengths so you can fit the Boiler in your desired location.

You have a switch to adjust the hot water, a switch to adjust the room temperature and the choice of uSense so you can change the temperature on a Smartphone, Google and Alexa. uSense makes it so you can change the temperature from your office or on holiday. You also have a restart button and a mode operating selector alongside an LCD display.

What is the Length of Warranty on this Boiler?

Baxi 100 Combi LPG Compare Boiler Quotes

This Baxi boiler does not have the longest of warranties. It comes with a standard 2-year warranty for parts and labour.

Always read the guidelines to keep your warranty valid. Have your boiler serviced annually.

Baxi 100 Combi Model & Costs

100 Combi LPG 24 Combi H – 700 mm
W – 390 mm
D – 300 mm
11.5 l/min 24 kW 90% AND ABOVE £600
100 combi lpg 28 Combi H – 700 mm
W – 390 mm
D – 300 mm
11.5 l/min 28 kW 90% AND ABOVE £780

Advantages & Disadvantages

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Read below to see if this Boiler would tick the boxes for your home.


  • It’s a cupboard fit (300mm), usually a kitchen cupboard 
  • Suitable for homes with 1 to 4 bedrooms that don’t have a gas supply to the mains 
  • Doesn’t take up extra space as it does not have another tank or cylinder 
  • Simple for heating engineers to service or install
  • Environmentally friendly
  • Reduces energy bills with the energy efficiency
  • Fits with a uSense thermostat which makes it possible to change the temperature by Smartphone, Alexa, or Google.


Baxi 100 Combi LPG Compare Boiler Quotes


  • Which score 54%
  • Not the most extended warranty comes with a standard two years

If you would like a boiler quote or any information click here 

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What our customers think

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Would recommend

Stressed when needed a new boiler but easy process with affordable finance. New boiler installed within a few days with option for next day.

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We were very impressed

On the day, they came on time. Lovely people, they kept everything clean. Explained everything to me. No mess, kept me informed.

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Great experience - quick to arrange, easy to work with the very responsive online team and all installed faster than expected.

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