How much does decking cost in Belfast?

Supplied and fitted, typical UK ranges are £60 to £130 per m² for treated softwood and £100 to £220 for composite, frame and labour included. A raised deck with steps and a balustrade costs more. Belfast prices sit within these national bands; where a listed firm publishes a price it is shown on its listing.

How do I know a listed firm is genuine?

Every firm's website is fetched automatically and the result recorded on its listing. A firm shows as confirmed only when its own pages describe a decking service. Scheme memberships are shown as stated by the firm unless we have checked a public register.

Decking Installers in Belfast

2 firms fit decking in Belfast and the BT postcode, 2 with composite boards. All their own websites describe a decking service. Websites are re-checked every week.

Order: a sponsored firm first (none in Belfast at the moment), then firms whose own site describes decking, then firms based in Belfast, then A to Z.

Composite Decking NI

Based in Belfast

No prices published

Fits: Composite

Website live, checked in the last fortnight
Decking service on its own website
No scheme or membership stated

Unclaimed listing

Full listing Firm's website

Decking NI

Based in Belfast · also Lisburn, Newry

No prices published

Fits: Composite

Website live, checked in the last fortnight
Decking service on its own website
No scheme or membership stated

Unclaimed listing

Full listing Firm's website

Fit decking in Belfast and not listed? Add your firm. Listed and something is wrong? Claim the listing and put it right.

Decking in Belfast

Belfast's gardens in the Malone, Stranmillis and Castlereagh suburbs slope towards the Lagan, while the terraces off the Falls and Shankill are tight. Northern Ireland has its own permitted development order; planning is handled by the council.

Planning: Belfast City Council

In Northern Ireland the householder rules follow the same pattern as England: a low deck behind the house that keeps within the garden-coverage limit is permitted development, while a raised platform, a deck in front of the house, or one at a flat or listed building needs an application to the council, which is the planning authority.

Belfast City Council · Legislation: Planning (General Permitted Development) Order (Northern Ireland) 2015 · Our planning guide

Typical fitted prices

Per m², supplied and fitted

Treated softwood: £60 to £130
Hardwood: £110 to £250
Composite: £100 to £220

Whole jobs

15 m² composite deck: £1,500 to £3,300
20 m² raised composite: £3,500 to £7,500

UK ranges from published price guides, October 2026. Belfast sits within these bands; a listed firm's own published price is shown on its entry. A guide, not a quote. What drives the price.

Composite decking in Belfast

2 listed firms fit composite boards: Composite Decking NI, Decking NI. Composite decking in Belfast, with the boards they name.

Getting quotes

Ask for the board, the subframe and the fixings by name, a drawing with heights, and whether the price includes VAT and removing what is there now. How to choose an installer

Nearby

Lisburn · Newry · Paisley · East Kilbride · Glasgow

All of Northern Ireland

Questions people ask about decking in Belfast

Do I need planning permission for decking in Belfast?: In Northern Ireland the householder rules follow the same pattern as England: a low deck behind the house that keeps within the garden-coverage limit is permitted development, while a raised platform, a deck in front of the house, or one at a flat or listed building needs an application to the council, which is the planning authority.
How much does decking cost in Belfast?: Supplied and fitted, typical UK ranges are £60 to £130 per m² for treated softwood and £100 to £220 for composite, frame and labour included. A raised deck with steps and a balustrade costs more. Belfast prices sit within these national bands; where a listed firm publishes a price it is shown on its listing.
How do I know a listed firm is genuine?: Every firm's website is fetched automatically and the result recorded on its listing. A firm shows as confirmed only when its own pages describe a decking service. Scheme memberships are shown as stated by the firm unless we have checked a public register.