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We love an upcycling make here, and Portia Lawrie’s upcycled sweater project is a great way to reuse old clothes – and make something wonderful at the same time.
Creating fabric uses a huge amount of energy, so finding new ways to upcycle your clothes is a great way to make your wardrobe more sustainable. It extends the lifespan of your clothes, and it’s a fun way to try out new styles while saving yourself a bit of money.
To create your upcycled sweater, ensure that you use complementary fabrics of a similar weight to make stitching the garment together easier. Combining different weights of fabric can cause problems when you’re sewing them together, especially if one of the fabrics is more stretchy than the other. If you’ve just started sewing, check out our beginner’s guide to sewing to help build up your skills.
Top tip: edgestitch close to each seam in a matching thread colour for a neat finish.
Looking for more upcycling inspiration? Find out how to sew a pocket to give a t-shirt a new lease of life, get creative to make a sock bear and transform old jeans into cool denim plant pots or even a denim skirt.
Enjoyed upcycling your old sweater? Try these ideas to give your refashioned sweatshirts a unique look…
Read on to discover how to upcycle old sweaters into new clothes.
Begin by unpicking the ribbing sections from the hem, neckline and cuffs using a seam ripper. We are retaining the original seam allowances, so no cutting is involved.

Next, remove all of the remaining stitching. Essentially, you are deconstructing the entire garment until you are left with its parts.

Press all of the pieces flat, including the seam allowances. Set all of the pieces aside, apart from the front section you are replacing. We will use this as a template to create a new front section.

Select your contrast jerseys in a colour or print combination you find pleasing. They should be of a similar weight to each other and the sweatshirt you are refashioning.

We are starting with the top geometric section and working down, so decide on the arrangement of colours you would like on your finished piece at this stage.
With the right sides (RS) together, pin the front section fabric template to your first piece of jersey.

Flip the piece over. Cut away the excess fabric in line with the outer edges of your template piece.
Cut angled lines into the new fabric pieces to start forming geometric shapes.
Sandwich the second piece of fabric between the template piece and your newly cut top section. Trace the angled lines you have just cut onto this new piece.
Cut away the excess fabric that falls outside your fabric template piece. Add a 5mm (¼in) seam allowance and then join the two pieces together.
Repeat with a third piece of fabric. You can, of course, choose to incorporate more than three fabrics – just keep adding pieces of fabric until the new piece is the same size as your original template piece.
Press the seams to one side as you go and edgestitch close to the seam lines.
Once the new front piece has been assembled, pin the original front template piece to it again.
Trim away any final bits of excess fabric. Now you will have a front section that is an exact replica in size and shape of the original front piece.
Now we need to reassemble the garment in the usual way, using the original seam allowances as a guide.
With RS together, pin then sew the shoulder seams together using the original seam allowances.
With RS facing, pin the sleeve and side seams together.
Sew the pinned seam together in one pass along the sleeve and side seam.
To reattach the ribbing place it RS together with the sweatshirt hem. Align the raw edges then sew the pieces together using the original seam allowance. Press.
Repeat these steps to reattach the cuffs and the neckline ribbing.
You’re finished – enjoy wearing your fantastic DIY upcycled sweatshirt!

Make your wardrobe more sustainable with this lovely sweater project.
If you’re looking for more creative recycling ideas, you could have a go at refashioning a t-shirt into a peplum top.

Essex maker, blogger and creator of The Refashioners, Portia sews, knits and has been a regular contributor to Simply Sewing magazine since it launched in 2015. She’s been writing her blog Makery (formerly Miss P) since 2009 and founded The Refashioners challenge, calling on bloggers to refashion a garment to highlight how cool, creative and ecologically sound refashioning old garments actually is. Portia’s sewing super power is creating easy-to-sew, accessible-for-all garments for Simply Sewing magazine, often with no pattern needed so the maker can draft them to their own measurements. She lists family, hazelnut lattes, Indian food and singing into hairbrushes as her loves. Find her on Instagram @portialawrie.
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