- Postcode districts
- BT5, BT6, BT7
- Nearby
- Belfast, Newtownabbey and Lisburn
- Guide price
- Included with supply and fit
- Typical time on site
- survey visit plus design
- Water
- Soft across most of County Antrim
- Survey
- Free, at your home
What does a new bathroom design cost in Castlereagh?
Design comes with the job: the survey, layout and itemised quote are free. In Castlereagh, a complete designed, supplied and fitted bathroom typically costs £5,700–£10,500 including VAT. Labour costs in Northern Ireland put local prices at about 12% below the UK guide figure. The figure depends on the size of the room, whether anything moves, and the products you pick.
Survey and layout
- Written, itemised quote
Detailed design
- Elevations and tile layouts
Full project
- One contract and one team
Guide prices for Castlereagh including VAT. Your itemised written quote after the free survey is the price that counts.
Working in Castlereagh
We cover every part of Castlereagh, including BT5, BT6 and BT7, and nearby Belfast (2.3 miles) and Newtownabbey (6 miles).
In Castlereagh, as anywhere, the age of the house decides a lot: pipe sizes, floor construction and where the soil stack runs. For loft rooms and sloping ceilings in Castlereagh homes, the design checks head height where you stand, not just the floor area. We measure Castlereagh bathrooms on site before drawing anything, so layouts are based on your walls rather than a standard plan.
Most of County Antrim is supplied with soft water. That leaves you free to choose matt black, brushed brass or clear glass without worrying much about limescale. Hardness varies street by street, so check the figure for your postcode with your water supplier.
What the job includes
- A measured survey of the room, including ceiling heights, slopes, window and door positions and any boxing
- A lighting and electrical plan showing switches, fittings, shaver socket and extractor fan
- A conversation about who uses the room, when, and what does not work about the current one
- Checks on the soil stack, waste routes, joist direction, water pressure, hot water system and existing electrics
Decisions to make first
Keep or change the layout
Keeping the WC and shower where they are saves on plumbing. The WC is the costly one to move, because it is tied to the soil stack.
Where the shower goes
A shower on an outside wall is easier to ventilate; one under a sloping ceiling needs full head height where you stand, not just at the high side.
Rules that apply in Northern Ireland
In Northern Ireland, building control covers new drainage, structural changes and ventilation, which is set out in Technical Booklet K. There is no Part P, but the electrical plan should be designed, tested and certified to BS 7671.

