Darlington, County Durham
Aluminium Windows in Darlington
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.
- Lead Time
- 2–10 Working Days
- Max Frame Size
- 5,000 × 2,400mm
- U-Value
- From 1.4 W/m²K
- Glazing Range
- 28–44mm
Darlington. Photo by Robert Graham, CC BY-SA 2.0
Aluminium Windows for Darlington 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 DL postcode area and the rest of County Durham, including Stockton-on-Tees (10 miles east-north-east), Bishop Auckland (11 miles north-north-west) and Middlesbrough (13 miles east-north-east).We manufacture and deliver — your own installer or builder does the fitting.
Getting it to Darlington
- Lead time: 2–10 working days from confirmed sizes
- Delivered on our own fleet to a fixed date — Darlington is 50 miles due north of Leeds, about an hour by road via the A1(M)
- Made to the sizes you or your installer confirm — we don't install
Around Darlington
Darlington is in County Durham. There are 6 other places we deliver to within 20 miles of it. Heading out of Darlington, the nearest we list are Bishop Auckland to the north (11 miles), Stockton-on-Tees to the east (10 miles), Northallerton to the south (14 miles) and Kendal to the west (50 miles). We list 4 other places in County Durham; the furthest from Darlington is Hartlepool, 18 miles north-east.
Also within 20 miles: Hartlepool (18 miles).
Recent deliveries near Darlington
Since June 2026 we've delivered to postcode districts within 10 miles of Darlington, including DL1, DL3 and TS15.
Orders delivered here have included bifold doors, French doors and COR Vision sliding doors.
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 Darlington — questions we get asked
What U-value can I get on aluminium windows in Darlington?
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 Darlington?
2–10 working days from confirmed sizes — the same wherever you are. Darlington is about 50 miles due north 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 Darlington?
Yes. Installers, builders and fabricators across the DL area — Darlington, Stockton-on-Tees, Bishop Auckland and Middlesbrough — can open a trade account: manufacturer-direct pricing, no minimum order value and a dedicated account manager.
Before you buy aluminium windows
Other products for Darlington
Aluminium Windows for Darlington — get a price
Send your sizes or drawings and we will come back with a price, a lead time and a delivery date.
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