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Southport · Merseyside

Aluminium Windows in Southport

Planning an extension or renovation in Southport? We can supply and fit aluminium windows made to your sizes, with dual-colour frames and glass chosen room by room.

  • L20
  • L21
  • L22
  • L30
  • L37
  • L38
  • Guide from £925

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Aluminium windows across Southport

Aluminium frames are usually finished with polyester powder coating, baked on at the factory in a choice of RAL colours and in matt, satin or textured finishes. Dual-colour frames are possible, such as anthracite grey outside and white inside, so the windows can suit both the street and the 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.

Powder-coated aluminium does not need painting, but it does need cleaning. Wash frames with warm water and a mild detergent a few times a year, rinse, and avoid abrasive pads or solvents. Clean more often near the sea or busy roads, where salt and grime sit on the surface for longer.

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.

What a typical job includes

  • Thermally broken aluminium frames powder coated to order
  • Sealed double or triple glazed units to specification
  • Survey, measuring and structural check of each opening
  • Removal and disposal of the existing windows
White rendered house with slim grey aluminium windows and a large picture window

About Southport for this job

Postcodes covered
L20, L21, L22, L30, L37, L38, PR8, PR9 and the surrounding area, including Formby, Lytham St Annes and Ormskirk
Coast
Southport is about 2 km from the coast or a tidal estuary, so salt air and wind-driven rain are worth planning for. 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.
Daylight and sun
In Southport the midwinter sun reaches about 13° above the horizon at noon, with roughly 7.2 hours of daylight, rising to about 60° and 16.8 hours in midsummer. Slim aluminium frames let more daylight through the same opening. Large south or west-facing panes can overheat rooms, so solar-control glass may help, while north-facing rooms benefit from high light-transmission low-E glass that keeps heat in during short winter days.
Access and setting
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.
Rules in England
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.

Guide prices in Southport

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

Get a guide price for your size

Approved Document B covers escape windows. Where an existing window is an escape route, typically in first-floor bedrooms, its replacement should give at least the same escape opening as before.

What you can choose

Glass upgrades

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

Dual-colour powder coat

A different colour inside and out, such as anthracite grey outside with white inside, from a wide range of RAL colours and textures.

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 Southport: questions

How do I look after powder-coated aluminium windows?

Clean powder-coated aluminium windows with warm water and a mild, non-abrasive detergent a few times a year, then rinse and dry. Avoid scouring pads, solvents and pressure washers close to the seals. Keep drainage slots clear and put a little light oil on hinges and locking points. Near the coast, more frequent washing removes salt deposits.

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.

Do aluminium windows get condensation on the frames?

Modern thermally broken aluminium windows are far less prone to frame condensation than older aluminium windows made without a thermal break. Condensation can still form on any window if a room is humid and poorly ventilated, so trickle vents, extractor fans and sensible heating still matter. Warm-edge spacer bars also help keep the edges of the glass warmer.

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.

Do you cover Southport for aluminium windows?

Yes. We can quote for aluminium windows across Southport and the surrounding Merseyside area, including postcode districts L20, L21, L22, L30 and L37, and nearby Formby, Lytham St Annes and Ormskirk. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.

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