Northumberland · England
Aluminium Windows in Northumberland
If your windows in Northumberland are faded, draughty or hard to lock, we can survey them and quote for slim, low-maintenance aluminium replacements.
- Guide from £925
- 7 towns covered
- Postcode areas NE, TD
About aluminium windows in Northumberland
Aluminium is strong enough to hold large, heavy glass units in narrow frames, so sightlines are slimmer than uPVC of the same size. That means more glass and more daylight from the same opening, which suits modern extensions, wide picture windows and slim replacements for old steel windows.
Aluminium windows are fabricated to order: profiles are cut, coated, assembled and glazed to the survey sizes. Lead times can be longer than for standard white uPVC, particularly for special colours or steel-look designs, and the expected timescale is confirmed in writing when you accept the quote.
Upper-floor windows may need to work as escape routes. In England, Approved Document B guidance for an escape window is an unobstructed openable area of at least 0.33 m², at least 450mm high and 450mm wide, and no more than 1100mm from floor to the bottom of the opening.
Steel-look aluminium windows reproduce the slim frames and glazing bars of traditional metal windows while adding a thermal break and double glazing. They are often chosen to replace failing original steel windows in 1930s houses, though conservation areas and listed buildings may need consent for the change.

Towns we cover for aluminium windows in Northumberland
Choose your town for local details, nearby areas and the postcode districts we cover.
What applies in Northumberland
Approved Document K requires safety glass in critical locations in England: glazing in doors and in side panels within 300 mm of a door, up to 1500 mm above floor level, and any glazing in walls or partitions up to 800 mm above floor level.
Approved Document L sets the minimum energy performance for replacement windows and doors in existing homes in England: a U-value of 1.4 W/m²K, or Window Energy Rating band B for windows; doors can instead meet a Door Set Energy Rating (band B, or band C for doors more than 60% glazed); rooflights need 2.2 W/m²K.
Northumberland has its own coastline, so for homes and businesses near the sea, salt air and wind-driven rain are part of the brief. Salt air attacks metal finishes, so aluminium windows near the coast need a coating and pretreatment suited to marine exposure, stainless or protected hardware, and more frequent washing. Check that the coating terms allow for a coastal site before ordering.
Rural homes often mix old stone walls with modern extensions, and aluminium suits both when profiles are chosen carefully. Irregular openings are measured individually, and exposed sites benefit from systems with high weather ratings and well-sealed joints against driving rain.
Guide prices
| Typical job | Guide price inc VAT |
|---|---|
| Casement window, 900 × 1050 mm | £925 – £1,195 |
| Casement window, 1200 × 1200 mm | £1,095 – £1,395 |
| Large window, 1800 × 1500 mm | £1,495 – £1,995 |
| Slimline heritage style, 1200 × 1200 mm | £1,295 – £1,695 |
Choosing your aluminium windows
Casement windows
Side-hung, top-hung or fixed sashes in slim aluminium frames, suiting most houses and extensions, with flush or stepped sash designs.
Glass upgrades
Triple glazing, laminated acoustic glass, solar-control coatings or obscure glass, chosen per window to suit the room and elevation.
Flush casement
Sashes sit level with the outer frame for a clean, timber-like look, often chosen for period-style or contemporary homes.
Tilt and turn
Inward-opening sashes that tilt for secure ventilation or swing open for cleaning and escape, useful for flats and high floors.
Aluminium Windows in Northumberland: questions
What guarantee do aluminium windows come with?
Manufacturer guarantees apply to the frames, powder coating, hardware and sealed units, and the terms are confirmed in writing. Coating cover often depends on the site environment and on regular cleaning, so read the conditions. Guarantee terms for the installation are set out in writing with your quote, before you agree to go ahead.
Are aluminium windows better than uPVC?
Neither is better for every home; they suit different priorities. Aluminium gives slimmer frames, larger glass areas, a hard-wearing powder-coated finish and a wide colour choice. uPVC usually costs less and has chunkier frames. Both can meet the energy standard for replacement windows when specified correctly, so compare the certified ratings, the look you want and the guide prices.
Do I need permission to replace windows with aluminium?
In England, replacing windows on a house with ones of similar appearance usually does not need planning permission, but changing the material or style can matter. Flats and maisonettes lack permitted development rights for windows, and listed buildings, conservation areas and Article 4 directions can require consent. Building regulations apply to replacement windows across the UK, with different detail in each nation.
How long does it take to install aluminium windows?
Most single windows are fitted within a day, and a typical house takes a few days on site depending on the number of windows and the access. The longer part is manufacturing, because frames are cut, coated and glazed to the survey sizes. The expected lead time is confirmed in writing when you accept the quote.
Which parts of Northumberland do you cover for aluminium windows?
We cover the whole of Northumberland, including Blyth, Cramlington, Ashington, Morpeth and Berwick-upon-Tweed, and postcode areas NE, TD. Building rules for aluminium windows here follow the regulations for England. Enter your postcode on the quote form and we will confirm cover; then a glazier will arrange a free survey before giving you a written quote.
Other glazing services in Northumberland
- Replacement Glass in Northumberland
- Misted Glass Repair in Northumberland
- Emergency Glazing in Northumberland
- Safety Glass in Northumberland
- Window Repairs in Northumberland
- Window Film in Northumberland
- uPVC Windows in Northumberland
- Sash Windows in Northumberland
- Composite Doors in Northumberland
- Bifold Doors in Northumberland
- Sliding Doors in Northumberland
- Secondary Glazing in Northumberland
- Roof Lanterns in Northumberland
- Glass Balustrades in Northumberland
- Frameless Glass in Northumberland
- Shower Screens in Northumberland
- Glass Splashbacks in Northumberland
- Bespoke Mirrors in Northumberland
- Glass Roofs in Northumberland
- Shopfront Glazing in Northumberland
- Curtain Walling in Northumberland
- Glass Partitions in Northumberland
- Property Glazing in Northumberland
All glazing in Northumberland · Aluminium Windows across the UK
Get a written quote in Northumberland
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.