A replacement front or back door is a new door and frame, usually composite, uPVC or aluminium, made to fit your existing opening and fitted with multi-point locks and weather seals to improve security, warmth and kerb appeal.
Every house in Castlereagh is a little different, so we never price a new front or back door from a brochure. We look at the structure, access and existing finishes first, then put in writing a fixed figure for the scope we settle on. As a rough steer, homeowners in Northern Ireland should budget £850–£3,000 including VAT, with work typically taking Usually half a day to one day per door.
- Guide price
- £850–£3,000 inc VAT
- Time on site
- Usually half a day to one day per door
- Postcodes
- BT2, BT4, BT5, BT6 and BT7
- Planning rules
- Northern Ireland
- Local area
- Belfast
- Survey
- Free, with a written quote
Front and back doors prices in Castlereagh
In Castlereagh, guide figures for a new front or back door sit at £850–£3,000, VAT included. We set them using rates for Northern Ireland, currently about 14% below the national guide. The table shows what pushes a project towards either end of the range; your own price is set after a free survey.
| Type of job | What it usually involves | Guide in Castlereagh |
|---|---|---|
| uPVC back door | A standard uPVC back or side door with a half-glazed panel and multi-point lock. | £700–£1,300 |
| Composite front door | A made-to-measure composite door in your chosen colour, glass design and hardware. | £1,050–£2,200 |
| Aluminium or door with side panels | A premium aluminium door, or a composite door with one or two side panels. | £2,200–£4,300 |
Your price depends mostly on:
- Door material: uPVC, composite or aluminium
- Side panels, fanlights and the amount of glass
- Colour, including different colours inside and out
- Condition of the opening, threshold and surrounding brickwork
What do you get?
- Made-to-measure door and frame in your chosen colour and design
- Multi-point locking with anti-snap cylinders and matching handles
- Removal and disposal of the old door and frame
- Low threshold options for level or easier access
- Weather seals, sealant and internal trims finished neatly
- Building regulations paperwork where a glazed door needs it
What are homes like around Castlereagh?
County Down takes in suburbs of Belfast, Bangor and Holywood with Victorian and Edwardian villas, and Newry, Downpatrick and Banbridge with older town centres and newer estates. Mourne granite appears in buildings around the mountains, and detached rural homes and bungalows are common across the county, often rendered or pebbledashed.
Villas and semis suit kitchen extensions, loft conversions and garden landscaping. Rural detached homes commonly take extensions and driveways, and rendered houses often need re-rendering, roofline renewal and window replacement.
In Castlereagh, as elsewhere in County Down, we take the building's age and construction into account before recommending anything, because both can change what is involved in a new front or back door.
Planning and building rules in Castlereagh
Homes in Castlereagh come under the regulations for Northern Ireland, summarised below. We don't rely on general rules alone: we confirm the position for your address with the council before a quote goes out.
In Northern Ireland, like-for-like replacement windows and doors on a house rarely need planning permission. Listed buildings and conservation areas are the main exceptions, so check with the council before changing style or material.
The Building Regulations (Northern Ireland) apply to replacement windows, so the work needs building control approval or sign-off through an approved competent person route.
Rules change and every property is different, so we check the planning history and constraints for your address before we quote.
How does the job run?
We look at the job
First, someone visits your home in Castlereagh to see the space, take measurements and note anything that could affect the work, such as access or the condition of what is there. There is no charge for this visit.
Written quote
We turn the survey notes into a written quote. The price is fixed for the specification we agree, and the document sets out materials, scope and payment stages in plain language.
Booking the work
Preparation matters as much as the build. We agree access, parking and working hours with you, order materials in good time, and confirm any permissions so the job isn't held up once it starts.
On site to finish
On site, the agreed plan is followed and any change is put in writing first. At completion we do a final clean, go through the snagging list with you and leave you with the relevant documents.
What you can expect from us
Front and back doors in Castlereagh: questions
Do you cover Belfast, Newtownabbey and Lisburn?
Yes. As well as Castlereagh, we cover Belfast, Newtownabbey and Lisburn and the rest of County Down. Our coverage is UK-wide, so the process is the same wherever you are: a free site survey, a quote in writing that fixes the price for the agreed scope, and one point of contact while the work is planned and carried out.
How secure are modern doors?
Modern external doors are far more secure than older designs because they lock at several points along the frame, not just at the handle. We fit anti-snap cylinders, which resist a common method of forced entry, in reinforced frames. Laminated or toughened glass panels add further protection. For extra peace of mind you can add a door chain, a viewer or a smart lock, which we can include in your quote.
What is the difference between a composite and a uPVC door?
A composite door has a tough outer skin over a solid insulated core, so it feels heavier and more solid than uPVC and holds its colour well. A uPVC door is built from reinforced plastic panels and costs less. Both can have multi-point locking and good weather seals. Many people choose composite for the front door and uPVC for back or side doors, where looks matter less.
How do I look after a composite or uPVC door?
Looking after a composite or uPVC door is mostly a matter of regular cleaning with warm soapy water and a soft cloth. Avoid solvents and abrasive pads, which can dull the finish. Once or twice a year, lightly oil the lock mechanism and the moving parts along the edge of the door, and check the seals. If the door starts to catch, the hinges can usually be adjusted easily.
How much will a new front or back door cost in Castlereagh?
As a guide, expect to pay £850–£3,000 including VAT for a new front or back door in Castlereagh. That range is adjusted for Northern Ireland, which runs about 14% below the national guide. Where your project lands depends on size, materials, access and the condition of what is already there. We confirm a fixed price in writing after a free survey of your home.
Also covering areas around Castlereagh
Whether you're in the centre of Castlereagh or on its outskirts, BT2, BT4, BT5 and BT6 addresses are covered. We extend the same service, and the same fixed-price approach, to Belfast, Newtownabbey and Lisburn.