Made to Measure Window Boxes

Need a custom size?

We make slimline metal window boxes to your exact measurements — ideal for awkward spaces, narrow sills and balconies.

Send your dimensions below and we'll get back to you within 24 hours with a price.

Typical lead time: 1–2 weeks
Made in the UK from durable, coated steel.


Please include:

• Length (mm)
• Height (mm)
• Depth (mm)
• Colour
• Delivery postcode


Optional:
• A photo of your space (very helpful for tricky areas)


Email your details to:
fiona@fablinc.co.uk