A circular saw is one of the most powerful and versatile cutting tools used by both DIY users and professional tradespeople across the UK. It is designed to make straight, fast, and accurate cuts in wood, plastic, metal, and even masonry (with the right blade).
From home renovation projects to professional construction work, circular saws are an essential tool for speed and precision.
What Is a Circular Saw?
A circular saw uses a round, rotating blade to cut through different materials. The blade spins at high speed, allowing clean and controlled cuts. These saws can be corded or cordless, making them suitable for various work environments.

Types of Circular Saws
Corded Circular Saws
Corded circular saws provide continuous power, making them perfect for heavy-duty cutting.
Best for:
- Long working hours
- Workshop use
- Cutting thick timber and boards
- Professional use
Cordless Circular Saws
Cordless circular saws run on Lithium-ion batteries and offer great portability.
Best for:
- On-site work
- Outdoor cutting
- DIY projects
- Quick jobs
Blade Types and Materials
Choosing the right blade is just as important as choosing the saw itself.
| Blade Type | Best For |
|---|---|
| Wood cutting blade | Timber, MDF, plywood |
| Metal cutting blade | Aluminium, steel |
| Masonry blade | Brick, tiles |
| Fine finish blade | Laminates |
Key Features to Look for in a Circular Saw
When buying a circular saw in the UK, consider:
- Blade size (165mm, 185mm, 190mm common)
- Cutting depth
- Bevel cutting angle
- Laser guide for accuracy
- Dust extraction port
- Safety guard
- Soft grip handle

Cordless vs Corded Circular Saws
| Feature | Cordless | Corded |
|---|---|---|
| Portability | High | Limited |
| Power | Improving | Constant |
| Best For | DIY & site work | Heavy cutting |
| Cost | Higher | Lower |
Best Uses of Circular Saws
- Cutting timber & plywood
- Flooring installation
- Decking projects
- Roofing work
- DIY renovations
- Construction sites
Safety Tips When Using a Circular Saw
- Always wear safety goggles & gloves
- Secure your material properly
- Use correct blade for the material
- Never remove blade guard
- Disconnect power before changing blade
Why Circular Saws Are So Popular in the UK
- Fast & accurate cutting
- Saves time & effort
- Suitable for beginners & professionals
- Wide range of affordable models
- Used in carpentry, roofing & joinery
Final Thoughts
A circular saw is a must-have tool for anyone serious about woodworking or construction. Whether you are a DIY user or a professional tradesperson, choosing the right circular saw will improve your productivity and cutting quality.
For mobility, go for a cordless circular saw.
For power & long use, choose a corded circular saw
FAQ
1. Which circular saw is best for home DIY?
For DIY users, a cordless circular saw (18V) is best because it is portable, lightweight, and easy to use.
2. Are cordless circular saws powerful enough?
Yes. Modern Lithium-ion cordless saws offer strong cutting power suitable for wood, MDF, and plywood.
3. What blade size is best?
The most common sizes in the UK are:
- 165mm – DIY use
- 190mm – professional work
4. Can a circular saw cut metal?
Yes, with a metal cutting blade you can cut aluminium and thin steel.
5. Is corded better than cordless?
Corded is better for long, heavy work. Cordless is best for mobility & site work.