Dumfries & Galloway · Scotland

Aluminium Windows in Dumfries & Galloway

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

Guide from £925
6 towns covered
Postcode areas DG

Powder coated aluminium windows in Dumfries & Galloway: what to know

Modern aluminium window frames contain a thermal break: strips of low-conductivity material, usually polyamide, that separate the inner and outer aluminium. Without it, heat passes straight through the metal. Older aluminium windows made without thermal breaks are a common cause of cold frames and streaming condensation.

The price of aluminium windows depends on the size and number of frames, the profile system, opening sashes, colour and finish, glass specification and access. Dual colours, special finishes, glazing bars and triple glazing add cost. See the guide prices for typical ranges, and the written quote fixes your figure.

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.

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.

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

Towns we cover for aluminium windows in Dumfries & Galloway

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

What applies in Dumfries & Galloway

Section 4 (Safety) of the Scottish Technical Handbooks covers glazing that people could collide with, such as glass in and beside doors and low-level glazing, where safety glass is needed.

Listed buildings in Scotland need listed building consent for most changes to historic windows; Historic Environment Scotland publishes guidance on traditional windows.

Dumfries & Galloway 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

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

Steel-look windows

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

Tilt and turn

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

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.

Casement windows

Side-hung, top-hung or fixed sashes in slim aluminium frames, suiting most houses and extensions, with flush or stepped sash designs.

Aluminium Windows in Dumfries & Galloway: questions

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.

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.

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.

What colours can aluminium windows be?

Aluminium windows can be powder coated in almost any RAL colour, in matt, satin, gloss or textured finishes, and many systems offer a different colour on each side. Anthracite grey, black and white are common choices, but heritage greens, creams and bronze tones are available too. Special colours can extend the manufacturing lead time, which is confirmed with the quote.

Which parts of Dumfries & Galloway do you cover for aluminium windows?

We cover the whole of Dumfries & Galloway, including Dumfries, Stranraer, Annan, Lockerbie and Castle Douglas, and postcode areas DG. Building rules for aluminium windows here follow the regulations for Scotland. 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.

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