BERNINA L450 Overlocker
Swiss-engineered overlocking precision for flawless seams, decorative edges, and durable finishes
Spread the cost from
£15.82 per month over 48 months*
£55.00 £49.50 Save 10%
£49.95 £44.96 Save 10%
Shop with confidence today knowing that our sewing machine prices are the lowest possible. If we lower our prices within 14 days of your purchase, we'll refund you the difference.
Terms and Conditions apply*
This machine is covered by a BERNINA 2-year parts and 2-year labour guarantee. *Business use only 1 year warranty And if you ever need support or servicing, our team is here to help.
Changed your mind? You've got 30 days to return any new, unused items in their original packaging.
Need advice?
Our in-house team knows every detail of this machine. Call, message or chat and get honest, expert advice from people who actually sew.
Our standard width fabric can be cut as a Fat Quarter, measuring 50cm x 1/2 the width of the bolt. Above is an example of how your fabric will be received, depending on the quantity ordered.
We also offer a sample service, where you can order 1 single fat quarter of any standard width fabric, to have at home and compare colours. When you are finished, you can send them back to us for a refund (feel free to contact us for more information on this service).
Our fabric can be cut as a Long Quarter, measuring a minimum of 25cm x width of bolt. We will supply the fabric as a continuous length (eg; if you bought 1.25m it will be sent as one piece of fabric).
BERNINA L450 Overlocker Product Review and Demonstration
The BERNINA L450 is a superb overlocker for sewers who want flawless, durable finishes without fuss. With exceptional fabric handling, you can tackle delicate silks, stretchy knits or heavy materials like denim with ease. The adjustable differential feed prevents puckering or stretching, ensuring even stitches and allowing you to sew with confidence.
Precision engineering ensures smooth and quiet operation with low vibration and noise, even at high speeds, so you can sew in comfort. It is fast and efficient, sewing up to 1,200 stitches per minute while maintaining precision and consistency. This machine is built to last and ensures professional-grade results on every project.
Setup is helped by a colour-coded threading path and a lower looper threader for a fast and easy set up. The patented Micro Thread Control lets you balance the looper stitches to the cut edge in a single adjustment, which means consistent, even results across different thread weights and reduced thread waste.
With 16 stitch variations and 2, 3 and 4 thread configurations, the L450 moves easily from narrow rolled hems to strong four-thread seams.
Two LED lights keep the needle and looper area well lit. Stitch length can be adjusted while you sew, which means you can fine-tune the finish without stopping mid-seam.
Top Uses for the BERNINA L450
Professional Seam Finishing on Garments
Rolled Hems on Fine Fabrics
Overlocking Stretch Knits and Jersey
This machine is perfect for
- Sewers looking for a premium brand with precision engineering and smooth operation - customers consistently tell us how quiet the L450 is
- Intermediate to advanced sewists appreciating fine-tuning capability
- Dressmakers working with variety of fabrics
Can sew but not ideal for
- Sewers who want air-threading - this model is manual but easy to learn. Use our free Machine Match Service if you'd like us to recommend models in your price range that have air threading
Not suitable for
- Sewers who prioritise automatic tension over manual fine-tuning
BERNINA L450: A Machine for Every Maker
And every project
Patented Micro Thread Control
A one-step adjustment fine-tunes looper stitches to the cut edge, so tension stays right once you have set it.
Colour-Coded Threading Path
Each thread route is colour matched, which means you can thread up confidently without constantly checking the manual.
Cut-Offs Bin Included
The trap bin catches offcuts as you work, which means a tidier workspace and less clearing up between projects.
Inside the BERNINA L450
Sixteen Stitch Variations
Choose from overlock, flatlock, rolled hem, picot and more across 2, 3 and 4 thread setups for flexible finishing.
Adjustable Differential Feed
Adjust the feed ratio as you sew, which means even feeding on slippery fabrics and controlled gathers when you need them.
Two LED Sewing Lights
Twin LEDs sit close to the work area, which means clearer sightlines on dark fabrics and fine thread.
3 to 9mm Seam Width
A wide seam width range adapts to different fabric weights and finishes, from narrow hems to broad, durable overlocked edges.
Smooth High-Speed Operation
Reaches 1,200 stitches per minute with steady, controlled feeding, which means efficient seam finishing on larger projects.
Product Specifications
Key Features
- Sews, cuts and finishes seams in one operation for speed and precision
- Patented Micro Thread Control (mtc) for one-step tension adjustment
- 2, 3 and 4 thread stitch configurations
- 16 stitch variations including overlock, flatlock and rolled hem
- Adjustable differential feed for ruffles, gathers and even feeding
- Colour-coded threading path with lower looper threader
- Adjustable stitch length while sewing
- 2 LED sewing lights
- Cut-offs bin included
Accessories In The Box
- 1 x Foot Control
- 1 x Power Cord
- 1 x Cut-offs bin
- 1 x Needle set
- 1 x Hexagon screw driver (1.5 mm)
- 1 x Brush
- 1 x Tweezers
- 1 x Upper looper converter
- 1 x Needle Threader
- 1 x Accessory box
- 1 x Oiler
- 1 x Spare knife
- 1 x Screw driver
- 1 x Seam Guide right
- 4 x Spool net
- 4 x Thread cap
- 1 x Screw driver
- 1 x Dust cover
Feet In The Box
- 1 x Standard Foot
Machine Dimensions & Weight
- Weight: 8.5kg approximately
- Medium-sized overlocker
Design Options and Controls
- 16 stitch variations including overlock, flatlock, rolled hem and picot
- 4-thread overlock, 3-thread overlock (wide/narrow) and 3-thread super-stretch
- 3-thread flatlock, narrow seam, rolled hem and picot stitch
- 2-thread rolled hem, wrapped overlock, overlock and flatlock options
- Adjustable stitch length while sewing
- Adjustable differential feed while sewing
- Micro Thread Control (mtc) for precise tension
- 5-step presser foot pressure adjustment
Needle and Threading System
- Colour-coded threading path
- Lower looper threader
- Lay-in tension dials
- Upper looper converter included
- Thread tension release when presser foot raised
Warranty & Support
- 2-year parts and labour guarantee included *Business use only 1 year warranty
- Authorised BERNINA service support nationwide
- Expert advice from The Sewing Studio team
Product Downloads
Ratings & Reviews
Frequently Asked Questions About the BERNINA L450 Overlocker
Let us help with the answers.
Is the BERNINA L450 suitable for beginners?
Yes. Threading is more approachable than on many overlockers, and the lay-in tension dials and clear guides mean newer sewers can get set up and start finishing seams with confidence while still having room to grow.
How many threads does the BERNINA L450 use?
The L450 offers 2, 3 and 4 thread configurations. This range lets you move from delicate 2-thread rolled hems through to strong 4-thread overlocked seams, covering most dressmaking and finishing tasks.
Can the BERNINA L450 handle stretchy fabrics?
Yes. The differential feed is adjustable for knit and jersey work, which means the fabric feeds evenly and seams sit flat rather than rippling.
What is Micro Thread Control?
Micro Thread Control (mtc) is a patented one-step adjustment for fine-tuning looper tension to the cut edge. It gives you precise control over stitch formation, which is useful when moving between fine and heavier fabrics.
What warranty comes with this machine?
The BERNINA L450 includes a 5-year parts and labour guarantee *Commercial use only 1 year warranty, with authorised BERNINA service support available nationwide.
Does the BERNINA L450 do rolled hems?
Yes. A rolled hem lever is built into the stitch plate, and the machine sews 2-thread and 3-thread rolled hems, which is excellent for fine fabrics, scarves and lightweight edges.
