Barnsley, South Yorkshire — where Mazuli supplies aluminium windows

Barnsley, South Yorkshire

Aluminium Windows in Barnsley

Premium aluminium casement windows manufactured in Leeds using Cortizo systems. 2–10 day lead times, fleet delivery, and manufacturer-direct pricing for trade and retail.

Aluminium Windows manufactured by Mazuli for customers in Barnsley
Lead Time
2–10 Working Days
Max Frame Size
5,000 × 2,400mm
U-Value
From 1.4 W/m²K
Glazing Range
28–44mm

Barnsley. Photo by Jonosunde, CC BY-SA 4.0

Aluminium Windows for Barnsley homes and sites

Windows are usually a whole-house order rather than a single opening, so colour consistency and accurate measurements matter more than lead time. Ordering every window together is the simplest way to keep the colour and finish consistent across the property.

We supply aluminium windows across the S postcode area and the rest of South Yorkshire, including Wakefield (9 miles due north), Rotherham (10 miles south-south-east) and Dewsbury (11 miles north-north-west).We manufacture and deliver — your own installer or builder does the fitting.

Getting it to Barnsley

  • Lead time: 2–10 working days from confirmed sizes
  • Delivered on our own fleet to a fixed date — Barnsley is 17 miles south-south-east of Leeds, under an hour by road via the A64 and A63
  • Made to the sizes you or your installer confirm — we don't install
Aluminium Windows manufactured by Mazuli and supplied to Barnsley

Around Barnsley

Barnsley is in South Yorkshire. There are 23 other places we deliver to within 20 miles of it. Heading out of Barnsley, the nearest we list are Wakefield to the north (9 miles), Doncaster to the east (15 miles), Rotherham to the south (10 miles) and Holmfirth to the west (13 miles). We list 3 other places in South Yorkshire.

Also within 20 miles: Holmfirth (13 miles), Batley (13 miles), Castleford (13 miles), Rothwell (14 miles), Huddersfield (14 miles), Morley (14 miles).

Recent deliveries near Barnsley

Since June 2026 we've delivered aluminium windows within 10 miles of Barnsley, to postcode districts including HD8, S35, S36, S61, S71, S73, WF1 and WF5.

From our own delivery records, by postcode district. Trade orders are recorded at the installer's delivery address. Updated 23 October 2026.

Aluminium Windows — key specification

The same specification applies wherever we deliver. For the full detail, drawings and options, see the Aluminium Windows product page.

  • Slim Cortizo aluminium sightlines
  • Side hung, top hung and fixed light sash options
  • Thermally broken profiles — U-values from 1.4 W/m²K
  • Frame sizes up to 5,000 × 2,400mm
  • Multi-point espagnolette locking as standard
  • Fleet delivery to a date given when you order

Aluminium Windows in Barnsley — questions we get asked

What U-value can I get on aluminium windows in Barnsley?

From 1.4 W/m²K, depending on the glass specification. The Building Regulations limit for replacement windows in England is 1.4 W/m²K, so choose the glass with that in mind — ask us for the figure for your chosen build-up.

Can I have different colours inside and out?

Yes — dual-colour (a different colour inside and out) is available at no extra charge on stock finishes. A dark exterior with a white interior is a common combination.

What's the lead time for aluminium windows in Barnsley?

2–10 working days from confirmed sizes — the same wherever you are. Barnsley is about 17 miles south-south-east of our Leeds factory, and every order is delivered on our own fleet, to a fixed date confirmed when you order.

Do you offer trade prices on aluminium windows in Barnsley?

Yes. Installers, builders and fabricators across the S area — Barnsley, Wakefield, Rotherham and Dewsbury — can open a trade account: manufacturer-direct pricing, no minimum order value and a dedicated account manager.

Aluminium Windows for Barnsley — get a price

Send your sizes or drawings and we will come back with a price, a lead time and a delivery date.

Request a Quote