Grantham, Lincolnshire
Aluminium Windows & Doors in Grantham
Cortizo bifold doors, sliding doors, windows and roof lanterns for the NG area — made to your sizes in our Leeds factory, 72 miles south-south-east, and delivered on our own fleet, to a fixed date confirmed when you order.
Grantham. Photo by Philip Halling, CC BY-SA 2.0
Delivering to Grantham
Delivered on our own fleet
Grantham is 72 miles south-south-east of Leeds — about 1½ hours by road via the M1 and A1. Your delivery date is fixed when you order.
Lead time: 2–10 working days
Standard, from confirmed sizes, and the same wherever you are. COR Vision, roof lanterns and heritage doors take longer — see each product.
Made in Leeds, delivered to the NG area
Every door and window for Grantham is cut, assembled and quality-checked by our own team on Wellington Bridge Street before it leaves.
Ordering for Grantham
We manufacture and deliver — we don't install. Your installer or builder fits the products, and we make to the sizes you or your installer confirm. We also deliver to nearby Newark-on-Trent, Melton Mowbray and Stamford.
What we supply to Grantham
Every product below is made to your sizes and delivered into Lincolnshire. Follow a link for the full specification for Grantham, or call us and we will talk it through.
Aluminium Bifold Doors in Grantham
Cortizo bifolds up to 7 panels, made to your sizes in our Leeds factory.
Aluminium Sliding Doors in Grantham
Large-pane sliding patio doors with slim interlocks and a choice of thresholds.
COR Vision Slim Sliding Doors in Grantham
Cortizo COR Vision — minimal 20mm interlocks for near-frameless glazing.
Aluminium Windows in Grantham
Slim-framed aluminium casement windows, with dual-colour options.
Roof Lanterns & Skylights in Grantham
Ultraframe roof lanterns and flat skylights, in aluminium or PVC.
Aluminium French & Heritage Doors in Grantham
Double doors with heritage detailing — a natural fit for period properties.
Aluminium Front & Residential Doors in Grantham
Single residential doors with multi-point locking.
Gable End Glazing & Fixed Frames in Grantham
Made-to-shape apex glazing and fixed frames for full-height openings.
Grantham — common questions
Do you deliver aluminium doors and windows to Grantham?
Yes. Grantham is about 72 miles south-south-east of our Leeds factory — about 1½ hours by road via the M1 and A1. Every order is delivered on our own fleet, to a fixed date confirmed when you order.
How long does an order for Grantham 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 Grantham?
No — we manufacture and deliver. Your own installer or builder fits the products, and trade installers across the East Midlands order from us directly. We make to the sizes you or your installer confirm.
Can trade customers order from Grantham?
Yes — trade accounts are open to installers, builders and fabricators in Grantham, Newark-on-Trent, Melton Mowbray and Stamford and across the East Midlands: manufacturer-direct pricing, no minimum order value and a dedicated account manager.
Get a quote for your Grantham project
Send us your sizes or your drawings. We will come back with a price, a lead time and a delivery date for Grantham.