Renfrewshire & Inverclyde · Scotland
Composite Doors in Renfrewshire & Inverclyde
If your back door in Renfrewshire & Inverclyde is draughty, hard to lock or letting water in, we can survey it and quote for a made-to-measure composite replacement.
- Guide from £1,295
- 10 towns covered
- Postcode areas G, PA
About replacement front door in Renfrewshire & Inverclyde
A composite door slab usually combines a glass-reinforced plastic (GRP) outer skin, moulded with a woodgrain texture, over an insulated core. Some cores are high-density foam, others solid timber. Timber-cored slabs tend to feel heavier and more solid when closed, while foam cores are lighter and insulate well.
A flat's entrance door that opens onto a shared stairwell or corridor is normally a fire door, so it should not be swapped for a standard composite door. Certified fire-rated composite doorsets are made for this purpose, and the freeholder or managing agent will usually need to agree the replacement.
Composite doors do not need painting. Wipe the skin and frame with warm soapy water, avoid solvents and abrasive pads, and keep the threshold drainage clear. A little light oil on the lock gearing and hinges once or twice a year keeps the door closing smoothly, and hinges can be adjusted if it drops.
Most composite doors use a multi-point lock: one turn of the key throws hooks, rollers or bolts into keeps along the frame. The euro cylinder is the weak point on many older doors, so look for one tested against snapping, such as a TS 007 3-star kitemarked or Sold Secure SS312 Diamond cylinder.

Towns we cover for composite doors in Renfrewshire & Inverclyde
Choose your town for local details, nearby areas and the postcode districts we cover.
What applies in Renfrewshire & Inverclyde
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.
Replacement windows in Scotland can need planning permission in conservation areas, on listed buildings and on some flats. The local planning authority can confirm.
Renfrewshire & Inverclyde has its own coastline, so for homes and businesses near the sea, salt air and wind-driven rain are part of the brief. Near the sea, salt air corrodes plated door furniture and lock parts more quickly, so marine-grade or stainless hardware is worth considering. Exposed doors also face wind-driven rain, so a well-sealed frame, weatherbar and threshold drainage matter more than usual.
Rural doors often face open fields, driving rain and sometimes mud and animals, so robust weather seals and threshold drainage matter. Older cottages may have low or irregular openings, so doors are measured carefully and frames sized to suit.
Guide prices
| Typical job | Guide price inc VAT |
|---|---|
| Composite front door, supplied and fitted | £1,295 – £1,795 |
| Door with one side panel | £1,695 – £2,295 |
| Door, side panel and top light | £1,895 – £2,595 |
Choosing your composite doors
Glass designs
Clear, obscure, bevelled or decorative glass in sealed cassettes, with toughened or laminated panes for safety and security.
Solid timber core
A heavier slab with a timber core under the composite skin, giving a solid feel and sound when the door closes.
Side panels and toplights
Glazed or solid panels beside or above the door to bring light into the hallway and fill wider openings.
Low threshold
A low-profile aluminium threshold for step-free or near step-free access, used where drainage and shelter allow.
Composite Doors in Renfrewshire & Inverclyde: questions
Are composite doors more secure than uPVC doors?
A well-specified composite door is usually stiffer and harder to force than an older uPVC panel door, but security depends mostly on the lock, cylinder, hinges and glass. Look for a multi-point lock, an anti-snap cylinder such as TS 007 3-star or SS312 Diamond, laminated glass and a door tested to PAS 24.
Will a composite door fade or need painting?
Composite doors do not need painting, and the coloured skins are designed to resist fading, although any surface colour can change slightly over many years in strong sun. Clean the door with warm soapy water and a soft cloth, and avoid solvents or abrasive pads. Manufacturer guarantees apply to the finish, and the terms are confirmed in writing.
What glass can I have in a composite door?
Composite door glass comes in sealed cassettes with clear, obscure, bevelled, leaded-effect or decorative designs. Any glass within 1500mm of the floor in a door should be safety glass, and laminated glass adds security because it stays together when struck. Obscure designs give privacy in hallways while still letting daylight in.
How long does it take to fit a composite door?
Fitting a composite front or back door usually takes a day on site, including removing the old door and frame, fitting and adjusting the new doorset and sealing around it. Doors are made to order first, and the manufacturing lead time depends on the style and colour; it is confirmed in writing when you accept the quote.
Which parts of Renfrewshire & Inverclyde do you cover for composite doors?
We cover the whole of Renfrewshire & Inverclyde, including Paisley, Greenock, Newton Mearns, Renfrew and Barrhead, and postcode areas G, PA. Building rules for composite doors 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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