Call 0800 088 6248

Lancashire · England

Aluminium Windows in Lancashire

Aluminium windows in Lancashire give slimmer frames and more glass than most alternatives, and our glaziers survey every opening before you receive a fixed written quote.

  • Guide from £925
  • 19 towns covered
  • Postcode areas BB, FY, L, LA, OL, PR, WN

Get your free quote

Start with your postcode. A glazier will be in touch to arrange a free survey.

By sending this form you agree we can contact you about this enquiry. See our privacy policy for how we use your details.

No obligation. Prefer to talk? Call 0800 088 6248 or WhatsApp us.

About slim aluminium windows in Lancashire

Aluminium windows can be fitted with trickle vents in the frame head, which matters because in England, Approved Document F expects ventilation after window replacement to be no worse than before. The glazier records the existing vents at survey and sizes new ones to suit each room.

In England, a replacement window in an existing home should achieve a U-value of 1.4 W/m²K or better, or a Window Energy Rating of band B, under Approved Document L. Thermally broken aluminium with low-E double glazing can meet this; ask for the certified whole-window figure, not just the glass value.

Security on aluminium windows comes from multi-point locking, internally glazed beads, lockable handles and robust hinges. For easily accessible windows in new homes in England, Approved Document Q expects security to the PAS 24 standard, and specifying the same for ground-floor replacements is a sensible precaution.

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.

White rendered house with slim grey aluminium windows and a large picture window

Towns we cover for aluminium windows in Lancashire

Choose your town for local details, nearby areas and the postcode districts we cover.

What applies in Lancashire

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.

Lancashire 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.

Large aluminium units are heavy, so city jobs need planned unloading, parking and sometimes lifting gear or extra hands for upper floors. Flats need freeholder consent and planning permission, and conservation areas often control frame colour and glazing bar patterns.

Guide prices

Guide prices inc VAT for typical jobs. Remote and island locations are quoted by arrangement. Your written quote fixes the price after measuring.
Typical jobGuide 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

Tilt and turn

Inward-opening sashes that tilt for secure ventilation or swing open for cleaning and escape, useful for flats and high floors.

Steel-look windows

Very slim frames with glazing bars that mimic traditional metal windows, adding thermal performance and double glazing to the classic look.

Flush casement

Sashes sit level with the outer frame for a clean, timber-like look, often chosen for period-style or contemporary homes.

Glass upgrades

Triple glazing, laminated acoustic glass, solar-control coatings or obscure glass, chosen per window to suit the room and elevation.

Aluminium Windows in Lancashire: questions

Are aluminium windows secure?

Aluminium windows can be very secure, because the metal is strong and the frames carry multi-point locks, internal glazing beads and lockable handles. For easily accessible windows in new homes in England, Approved Document Q expects PAS 24 security. Asking for windows tested to that standard is a good benchmark when replacing ground-floor windows in an existing home.

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.

Can aluminium windows replace original steel windows?

Yes, steel-look aluminium windows are designed for this. They copy the slim frames and glazing bars of old metal windows while adding double glazing and a thermal break. Original steel frames are often set into the masonry, so removal can disturb render or plaster, and the survey checks this. Listed buildings and conservation areas may need consent first.

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.

Which parts of Lancashire do you cover for aluminium windows?

We cover the whole of Lancashire, including Preston, Burnley, Blackburn, Blackpool and Morecambe, and postcode areas BB, FY, L, LA, OL, PR, WN. 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.

Get a written quote in Lancashire

Free survey for new glazing, clear guide prices and one point of contact for every glazing job.

CallGet a quote