Darlington, County Durham
Aluminium Windows & Doors in Darlington
Cortizo bifold doors, sliding doors, windows and roof lanterns for the DL area — made to your sizes in our Leeds factory, 50 miles due north, and delivered on our own fleet, to a fixed date confirmed when you order.
Darlington. Photo by Robert Graham, CC BY-SA 2.0
Delivering to Darlington
Delivered on our own fleet
Darlington is 50 miles due north of Leeds — about an hour by road via the A1(M). Your delivery date is fixed when you order.
Lead time: 2–10 working days
Standard, from confirmed sizes. COR Vision, roof lanterns and heritage doors take longer — see the questions below.
Made in Leeds, delivered to the DL area
Every door and window for Darlington is cut, assembled and quality-checked by our own team on Wellington Bridge Street before it leaves.
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.
Ordering for Darlington
We manufacture and deliver — we don't install; your installer or builder fits the products. We also deliver to nearby Stockton-on-Tees (10 miles), Bishop Auckland (11 miles) and Middlesbrough (13 miles).
What we supply to Darlington
Every product below is made to your sizes and delivered into County Durham. Follow a link for the full specification for Darlington, or call us and we will talk it through.
Aluminium Bifold Doors in Darlington
Cortizo bifolds up to 7 panels, made to your sizes in our Leeds factory.
Aluminium Sliding Doors in Darlington
Large-pane sliding patio doors with slim interlocks and a choice of thresholds.
COR Vision Slim Sliding Doors in Darlington
Cortizo COR Vision — minimal 20mm interlocks for near-frameless glazing.
Aluminium Windows in Darlington
Slim-framed aluminium casement windows, with dual-colour options.
Roof Lanterns & Skylights in Darlington
Ultraframe roof lanterns and flat skylights in aluminium, with a PVC or aluminium internal finish.
Aluminium French & Heritage Doors in Darlington
Double doors with heritage detailing — a natural fit for period properties.
Aluminium Front & Residential Doors in Darlington
Single residential doors with multi-point locking.
Gable End Glazing & Fixed Frames in Darlington
Made-to-shape apex glazing and fixed frames for full-height openings.
Darlington — common questions
Do you deliver aluminium doors and windows to Darlington?
Yes. Darlington is about 50 miles due north of our Leeds factory — about an hour by road via the A1(M) — and we deliver to the places around it too, the nearest being Stockton-on-Tees, 10 miles east-north-east. Every order is delivered on our own fleet, to a fixed date confirmed when you order.
How long does an order for Darlington take?
Our standard lead time is 2–10 working days from confirmed sizes — unglazed standard colours 2–5 working days, glazed 6–10. COR Vision sliding doors take 4–6 weeks, roof lanterns around 3 weeks and heritage doors 3–4 weeks, and RAL colours typically add around two weeks. Lead times are the same wherever the order is going.
Do you install in Darlington?
No — we manufacture and deliver. Your own installer or builder fits the products, and trade installers across the North East order from us directly. We make to the sizes you or your installer confirm.
Can trade customers order from Darlington?
Yes — trade accounts are open to installers, builders and fabricators in Darlington, Stockton-on-Tees, Bishop Auckland and Middlesbrough and across the North East: manufacturer-direct pricing, no minimum order value and a dedicated account manager.
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.
- Stockton-on-Tees10 miles east-north-east
- Bishop Auckland11 miles north-north-west
- Middlesbrough13 miles east-north-east
- Northallerton14 miles south-south-east
- Durham17 miles due north
- Hartlepool18 miles north-east
Straight-line distances from Darlington, centre to centre. Road miles are longer.
Get a quote for your Darlington project
Send us your sizes or your drawings. We will come back with a price, a lead time and a delivery date for Darlington.