Cheap Combi Boilers Under £1,000 & Budget Boiler Installations

James Elston
Written by James Elston
Updated on 15th April 2024
Posted on 1st January 2024
Topic: Boiler Advice
Best Combi Boiler Under £1,000 and Cheap Boilers With Installation

Are you in the market for a cheap combi boiler on a budget for your home? Whether it’s through choice or because you are sick and tired of expensive boiler repairs we can help.

savings pig

With a wide range of options available, it can be overwhelming to choose the right one that fits your budget and meets your heating needs.

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In this article, we will explore the top combi boilers under £1000 in the UK and help you make an informed decision.

We will discuss the key features, benefits, and considerations of each boiler, allowing you to find the perfect cheap gas boiler and central heating system for your home.

Get the best deals online now with Boiler Central and get your new combi boiler fitted next day at the best prices.

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Can You Get a Cheap Gas Combi Boiler for £1,000 or Less?

Cheap Gas Combi Boiler for £1,000

Yes, some of the cheapest combi boilers are well under £1,000 in the UK but this is just for the boiler unit itself, and if you need Gas Safe installation, you will not get a combi boiler fitted for under £1,000 unless you can legally do it yourself.

If you got excited, then let us bore you with the fact that a full Gas Safe combi boiler installation costs at least £1,700 if done properly including all the parts needed such as the flue, pipework, filters, chemical flush and thermostat or controls.

There is a saying, buy cheap buy twice, however, we think we have cracked this nut and have 3 great options to help our customers save money.

Read our guide here to see what are the best combi boilers in the UK right now.

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Features of Budget Boilers Under £1,000

Before diving into the best combi boilers under £1000, it’s essential to understand the key features to consider when making your selection.

ideal logic combi

A new combi boiler, short for combination boiler, is a popular choice for homeowners in the UK due to its space-saving design and energy efficiency.

Unlike conventional boilers, a combi boiler installation eliminates the need for a separate hot water cylinder or cold water tank, making it an ideal choice for properties with limited space. Combi boilers provide instant hot water on demand and efficiently heat your home, offering convenience and cost savings.

These features will help you assess the performance, efficiency, and suitability of a and there are plenty to choose from in the UK boiler market for your specific needs. Other choosing boilers from cheap boiler brands, here are some important factors to keep in mind:

Heating Output

energy efficient combi boiler

The heating output of a combi boiler is measured in kilowatts (kW) and determines the boiler’s ability to provide heat to your home.

One of the most important decisions you can make is to choose a boiler with the appropriate heating output based on the size and insulation of your property.

A professional heating engineer can help you determine the right heating output for your home, or you can simply use our online boiler quote calculator now.

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Energy Efficiency

Energy efficiency is a vital aspect to consider when selecting a combi boiler. Boilers with higher efficiency ratings consume less energy, resulting in lower energy bills and reduced carbon emissions. Look for boilers with an A-rated energy efficiency label or a high ErP (Energy-related Products) rating.


A warranty provides peace of mind and protects you against any potential manufacturing defects or faults.

When choosing a combi boiler, check the boiler warranty period offered by the manufacturer. Longer warranties are generally a good indication of the boiler’s quality and reliability.

Noise levels

Some boilers are louder or quieter than others, therefore it is always good to get one that has a low sound output especially if yu are planning on putting it near your living space. Read more about getting the quietest boiler for your home for more information.

Controls and Connectivity

Modern combi boilers come with advanced controls and connectivity features that allow you to get the most out of your heating system. Look for boilers with programmable thermostats, wireless connectivity, and compatibility with smart thermostats and home devices. These features provide convenience and allow you to control your heating system efficiently.

Read our guide if you are interested in the age-old question of how much do boilers cost in the UK?

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What are the Best Cheap Combi Boilers Under £1000

Now let’s explore the top 3 best combi boilers under £1000 in the UK market.

These cheapest combi boilers offer a balance between affordability, performance, and energy efficiency all at a fantastic price for homeowners in the UK, and all these combi boiler prices are under £1,000 if bought on their own without installation.

RankCombi BoilerCost
1Navien NCB 300 28kW£570
2Worcester Bosch 1000£620
3Alpha E-tec 28kW£670
4Ideal Logic C24£700

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1. Navien NCB 300 28kW Combi Boiler Overview

navien NCB300 28kw

The best combi boiler under £1,000 at the lowest price is the Navien NCB 300 28kW which is a high-efficiency combi boiler known for its exceptional performance and versatility.

It offers both heating and hot water capabilities in a compact design, making it suitable for homes with limited space.

The Navien NCB 300 is the cheapest boiler available with Boiler Central, but it boasts advanced condensing technology, resulting in lower energy consumption and reduced utility bills.

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Key Features of Navien NCB 300 28kW:

  • 5 Years warranty
  • Modulating burner for precise temperature control
  • Stainless steel heat exchanger for improved durability
  • Intelligent preheating technology for faster hot water delivery
  • Low NOx emissions for a greener heating solution
  • User-friendly controls and digital display


  • Advanced condensing boiler technology for energy savings
  • Versatile heating and hot water capabilities
  • Durable stainless steel heat exchanger
  • User-friendly controls and digital display


  • Only comes with 5 years warranty
  • Less well known brand

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2. Worcester Bosch Greenstar 1000 Combi Boiler Overview

Another cheap combi boiler under £1,000 is from one of the most well known brands.

If you’re in search of a Worcester Bosch boiler because of their stellar reputation, you’ll be pleased to discover the Greenstar 1000, the latest instalment in their combi boiler range.

worcester bosch 1000 review

When examining the internal components of the Worcester 1000, we find that it checks all the boxes our customers would want at a great price.

Whether you need a boiler to fit snugly in a kitchen cupboard or other tight space, this budget-friendly Worcester Bosch 1000 combi boiler fits the bill perfectly.

This cost-effective combi boiler effortlessly slots into a standard 300 mm-deep cupboard, ensuring it doesn’t encroach on valuable living space in your home.

Beyond its space-saving design, it also delivers substantial cost savings – a truly winning combination for savvy homeowners.

Key Features of the Worcester 1000 combi

  • 5 Yeaer warranty ( 7 with Boiler Central only)
  • Quick tap feature to save on bills
  • Easy to use display
  • Front access to all components
  • Pre plumbed parts for quick installation
  • Super compact at just 285mm deep



  • You can get longer warranties on other boilers
  • Flow rate not overly great on the 24kw version

3. Alpha E-tec 28kW Combi Boiler Overview and Features

alpha e-tec 28kw

Alpha is one of the leading boiler manufacturers in the UK. The Alpha Etec 28kW is a reliable and efficient boiler under £1,000 that offers excellent value for money.

It is designed to provide optimal heating performance while keeping energy consumption to a minimum. The Alpha E-tec range is known for its compact size and ease of installation, making it a popular choice for both homeowners and installers.

Boasting a stainless steel heat exchanger, compared to the aluminium ones used by other boiler brands such as the Worcester Bosch Greenstar range, you can be sure this boiler is built to last.

See where the Alpha E-tec came in our most reliable boiler review.

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Key Features of Alpha E-tec 28kW:

  • 10 year warranty
  • High-efficiency modulating pump for reduced energy usage
  • Stainless steel heat exchanger for improved heat transfer
  • LCD display and user-friendly controls for easy operation
  • Compact design for flexible installation options
  • Quiet operation for enhanced comfort


  • Excellent value for money
  • Compact design for easy installation
  • Energy-efficient modulating pump
  • Quiet operating levels


  • Limited availability in some regions due to popularity
  • May have too low heating output for larger properties

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4. Ideal Logic C24: Overview and Features

ideal logic combi 24

Ideal Boilers are one of the most recognised new boiler manufacturers in the UK and one of the most installed gas boilers in the UK due to them being the choice of new build home developers.

The perfect range of combi boilers for kitchen cupboards, the Ideal Logic C24 is a compact and reliable combi boiler that offers excellent heating performance.

It is suitable for small to medium-sized homes and provides both heating and hot water efficiently. The Logic range is known for its simplicity and ease of use, making it a popular choice among homeowners.

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Key Features of Ideal Logic C24:

  • up to 10 years warranty
  • Digital display with user-friendly controls for intuitive operation
  • Compact design for easy installation in tight spaces
  • High-efficiency pump for reduced energy consumption
  • Frost protection to prevent freezing during cold weather
  • Quiet operation for enhanced comfort


  • 10 years warranty available on Logic Max
  • Budget-friendly option
  • Compact size for kitchen cupboards
  • Frost protection for cold weather conditions
  • Simple and easy-to-use controls


  • Aluminium heat exchanger
  • Heating output may be insufficient for larger homes

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Best Cheap Boilers With Installation and Servicing

Professional installation and regular boiler servicing is highly important for the efficient and safe operation of your combi boiler.

It is recommended to hire a qualified heating engineer to install the boiler and ensure compliance with safety regulations. Additionally, regular servicing and maintenance will prolong the lifespan of your boiler and optimise its performance to lower heating costs.

Looking for a system boiler instead? Read our best system boiler guide for more information.


In conclusion, choosing the best combi boiler under £1000 in the UK involves considering various factors such as heating output, energy efficiency, warranty, and controls.

Each of the top three boilers mentioned in this article offers its unique features and benefits, catering to different heating requirements.

By understanding your needs and assessing these boilers based on the outlined criteria, you can make an informed decision that aligns with your budget and preferences. Similarly, you may need to asses cheap system boilers to ensure that you get the right boiler for your home’s hot water demands.

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Frequently Asked Questions (FAQs)

How much does a cheap boiler cost?

On average cheap boilers cost £1,700 including full installation in the UK, which is about £500 less than the UK average of £2,200.

We strongly believe you should always go for a boiler with 10 years warranty or more, however, we understand that our customers often are on a budget so the lower the price the better.

Are combi boilers suitable for all types of homes?

Combi boilers are suitable for many types of homes, especially those with limited space. They are popular in smaller properties or apartments where there is no need for a separate hot water storage tank. However, larger homes with multiple bathrooms may require a system or regular boiler to ensure sufficient hot water supply.

Read our guide here on whether a combi boiler or system boiler is best for your home.

Can I install a combi boiler myself?

It is recommended to hire a professional installer to ensure the safe and proper installation of a combi boiler. Find out here why. Combustion appliances like boilers require expertise to handle gas connections, ventilation, and ensure compliance with building regulations. DIY installation can be risky and may void warranties.

How often should I service my combi boiler?

It is generally recommended to service a combi boiler annually. Regular servicing helps maintain its efficiency, reliability, and safety. A qualified engineer can inspect and clean the components, check for any potential issues, and ensure proper operation.

Are there any government incentives for installing energy-efficient boilers?

Looking for a free boiler rather than a cheap boiler? Depending on your situation there are actually government incentives for energy-efficient boilers that may vary depending on the country or region.

In some cases, there are schemes or grants available to encourage the installation of energy-efficient heating systems. It is advisable to check with councils, local authorities or energy agencies to explore potential incentives or financial support.

Read more – Cheap ways to keep your home warm this winter

What is the average lifespan of a combi boiler?

The average lifespan of a combi boiler can range from 10 to 15 years or more, depending on factors such as the quality of the boiler, central heating usage patterns, maintenance, and water hardness. Regular servicing and proper maintenance can extend the lifespan of a combi boiler and ensure optimal performance throughout its life.

Remember, when choosing the best combi boiler under £1000 in the UK, prioritise your specific heating requirements, energy efficiency, and warranty terms. Conduct thorough research, consult with heating professionals, and make an informed decision that will provide optimal comfort and efficiency for your home.

Written by
James Elston
James Elston Director Of Boiler Central
Posted on: 1st January 2024
Topic: Boiler Advice

James Elston is our resident boiler replacement and heating expert here at Boiler Central. With over 20 years experience in the boiler installation industry, James ensures that he knows everything there is about our Gas Safe boiler installations, energy saving and home heating solutions. This can be from simply procuring the latest best combi boilers, to reviewing and ensuring that Boiler Central maintains the highest standards across our boiler installation company.

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