Oil Boiler Replacement – Upgrade to an Efficient, Reliable Heating System

Modern oil boiler with smart controls fitted by Lucas Plumbing

Time to Replace Your Oil Boiler?

If your oil boiler is more than 10–15 years old, chances are it’s costing you more than it should. From rising fuel bills to the stress of unexpected breakdowns, an ageing boiler can be inefficient and unreliable.

At Lucas Plumbing & Heating Ltd, we specialise in oil boiler replacement for homes and businesses across Berkshire, including Wokingham, Reading, Ascot, and Bracknell. Whether you’re looking to upgrade to a modern condensing system or relocate your boiler to a new position, we can help you plan, install, and maintain a system that keeps you warm and saves money.

Why Replace Your Oil Boiler?

✅ Better Efficiency
Older boilers can be as low as 60% efficient. Modern condensing models achieve up to 93% efficiency, reducing fuel consumption and emissions.

✅ Lower Running Costs
With oil prices rising, every extra litre burned matters. A more efficient boiler can save hundreds of pounds every year.

✅ Improved Reliability
Say goodbye to constant repairs and parts that are difficult to source.

✅ Quieter Operation
New oil boilers are significantly quieter, especially models designed for kitchens or utility rooms.

✅ Modern Controls
Smart thermostats and programmable timers help you keep heating costs under control.

✅ Regulation Compliance
Upgrading ensures your system meets current OFTEC and Building Regulations.

Our Oil Boiler Replacement Service

When you choose Lucas Plumbing & Heating Ltd, you’re choosing a complete, start-to-finish service, including:

Free site survey and consultation
Removal and safe disposal of your old boiler
Installation of a new high-efficiency condensing oil boiler
Upgrades to pipework, filters, and controls where needed
Flue replacement and external fittings
Full commissioning, testing, and handover
Registration of your installation with OFTEC and Building Control

Types of Oil Boilers We Install

We work with all major manufacturers, including Grant, Worcester Bosch, Firebird, Warmflow, and Mistral. Depending on your property, we can install:

Internal Oil Boilers – Compact, kitchen or utility room models with lower noise.
External Oil Boilers – Weatherproof outdoor units, ideal if you want to free up indoor space.
Floor-Standing Condensing Boilers – High-capacity systems perfect for larger properties.
System and Regular Boilers – Compatible with existing hot water cylinders.

We’ll help you choose the best boiler type and size for your home and lifestyle.

How Much Does Oil Boiler Replacement Cost?

Prices vary depending on the make, model, and complexity of the installation, but as a guide:

Boiler TypeTypical Installed CostInternal Condensing Boiler£2,800 – £4,200External Condensing Boiler£3,000 – £4,500Relocation or extra work+ £500 – £1,000

All quotes include removal of the old boiler, flue, commissioning, and VAT.

We provide fixed-price quotations, so you know exactly what you’ll pay before work begins.

Signs You Need to Replace Your Oil Boiler

Not sure if it’s time for an upgrade? Here are some common warning signs:

Your boiler is over 15 years old
Frequent breakdowns or costly repairs
Sooty or yellow flames instead of blue
Uneven heating or inconsistent hot water
Oil consumption has noticeably increased
Noisy operation or vibrations
Leaks or corrosion around the boiler casing

If you notice any of these issues, it’s worth arranging a survey to see whether replacement is more cost-effective than repair.

Sustainable Heating Solutions

Modern condensing oil boilers are far cleaner than older models. They recover more heat from exhaust gases, cutting carbon emissions and improving energy ratings.

If you’re considering a switch to renewable heating (such as air source heat pumps or hybrid systems), we can help you explore all options and plan a future-proof solution.

Why Choose Lucas Plumbing & Heating Ltd?

✅ OFTEC-registered engineers
✅ Fully insured and qualified team
✅ Clear, honest pricing
✅ Fast, tidy installations
✅ Local service you can trust

We’ve been installing oil boilers in Berkshire homes for years and pride ourselves on delivering a professional, hassle-free experience from start to finish.