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Castlereagh · County Down

Composite Doors in Castlereagh

Timber doors in Castlereagh that swell, stick or need repainting can be replaced with low-maintenance composite doors that look like painted timber.

  • BT6
  • BT5
  • BT7
  • Guide from £1,295

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Castlereagh: secure front doors

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.

Replacing a front door usually takes a day on site. The old door and frame are cut out, the new frame is fixed, packed and squared, the slab is hung and adjusted, and the frame is sealed outside and trimmed inside. Plaster around older frames sometimes needs making good afterwards.

Letterplates can be a security weak spot, because tools can be fed through to reach the inside handle or keys. A letterplate with an internal cowl or restrictor, or a door with no letterplate and a wall-mounted post box, reduces that risk. Keys should be kept away from the door.

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.

What you get

  • Multi-point lock with anti-snap cylinder
  • Fitting, adjusting, sealing and finishing around the frame
  • Removal and disposal of the old door and frame
  • Survey, measuring and threshold check
Navy composite front door with a narrow glazed panel on a brick house

Working in Castlereagh

Postcodes covered
BT6, BT5, BT7 and the surrounding area, including Belfast, Dundonald and Carryduff
Coast
Castlereagh is about 5 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 Castlereagh the midwinter sun reaches about 12° above the horizon at noon, with roughly 7.0 hours of daylight, rising to about 59° and 17.0 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
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.
Rules in Northern Ireland
Technical Booklet V covers safety glazing in Northern Ireland, including glass in and around doors and low-level glazing where people could walk into it.

Guide prices in Castlereagh

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
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

For shops and other non-domestic buildings in Northern Ireland, Technical Booklet R covers access, and large glazed areas should be clearly marked.

Options to choose between

Hardware finishes

Handles, knockers, letterplates and numerals in chrome, satin, gold, black or graphite, chosen to match the door style.

Colours and dual colour

Woodgrain-textured skins in many colours, often with a different colour inside so the door suits both the street and the hallway.

Low threshold

A low-profile aluminium threshold for step-free or near step-free access, used where drainage and shelter allow.

Composite Doors in Castlereagh: 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.

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.

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.

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.

Do you cover Castlereagh for composite doors?

Yes. We can quote for composite doors across Castlereagh and the surrounding County Down area, including postcode districts BT6, BT5 and BT7, and nearby Belfast, Dundonald and Carryduff. 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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