Portsmouth · Hampshire
Composite Doors in Portsmouth
Our glaziers fit composite front and back doors across Portsmouth, removing the old frame, levelling the new doorset and explaining how the work is approved.
- PO1
- PO5
- PO2
- Guide from £1,295
Portsmouth: composite back doors
Glass in a door, and in any side panel within 300mm of the door's edge, counts as a critical location when it is within 1500mm of the floor. In England, Approved Document K expects that glass to be safety glass that breaks safely, such as toughened or laminated glass.
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 door prices depend on the door style, core type, colour, glass design, side panels or toplights, hardware finish and lock specification. Removing an old frame from a deep or uneven opening, or fitting a new threshold, adds labour. See the guide prices for typical ranges; the written quote fixes the figure.
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.
What you get
- Made-to-measure composite doorset in your chosen colour
- Written guarantee terms and advice on building regulations sign-off
- Fitting, adjusting, sealing and finishing around the frame
- Multi-point lock with anti-snap cylinder

Local details for Portsmouth
- Postcodes covered
- PO1, PO5, PO2 and the surrounding area, including Gosport, Fareham and Ryde
- Coast
- Portsmouth is about 2 km from the coast or a tidal estuary, so salt air and wind-driven rain are worth planning for. 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.
- Daylight and sun
- In Portsmouth the midwinter sun reaches about 16° above the horizon at noon, with roughly 7.7 hours of daylight, rising to about 63° and 16.3 hours in midsummer. Dark-coloured doors in direct sun get much hotter than pale ones, so follow the manufacturer's guidance on colour for south and west-facing entrances. Glazed panels and side lights bring daylight into dark hallways, especially on north-facing elevations.
- Access and setting
- Street-facing front doors in towns and cities face more passers-by, so anti-snap cylinders, laminated glass and letterplate guards are worth specifying. Conservation areas may control front door styles and colours, and flat entrance doors onto shared corridors normally need fire-rated doorsets.
- 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 Portsmouth
| 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 |
Get a guide price for your size
Replacing windows and doors with similar ones is usually permitted development for houses in England. Flats, listed buildings and homes in conservation areas or covered by an Article 4 direction can need permission, so check with the council first.
Specification choices
Hardware finishes
Handles, knockers, letterplates and numerals in chrome, satin, gold, black or graphite, chosen to match the door style.
Solid timber core
A heavier slab with a timber core under the composite skin, giving a solid feel and sound when the door closes.
Insulated foam core
A lighter slab with a high-density foam core, offering good thermal performance and a wide range of styles.
Composite Doors in Portsmouth: questions
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.
Do I need planning permission to replace my front door?
In England, replacing a house's front door with one of similar appearance usually does not need planning permission. Listed buildings need listed building consent for significant works, and conservation areas or Article 4 directions can restrict changes to front doors, colours and materials. Flats may need permission, so check with your council if your home falls into any of these.
What guarantee comes with a composite door?
Manufacturer guarantees apply to the door slab, frame, glass and locking hardware, and the terms are confirmed in writing. Guarantee terms for the installation are set out in writing with your quote, so you know what is covered before you go ahead. Keep the paperwork with your building regulations certificate for when you sell the property.
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.
Do you cover Portsmouth for composite doors?
Yes. We can quote for composite doors across Portsmouth and the surrounding Hampshire area, including postcode districts PO1, PO5 and PO2, and nearby Gosport, Fareham and Ryde. Start with your postcode on the quote form and a glazier will arrange a free survey before giving you a written quote.
Get a written quote in Portsmouth
Free survey for new glazing, clear guide prices and one point of contact for every glazing job.