Name: NI Trades
Address: Ground Floor, Gallery Building, 65-69 Dublin Road, Belfast, Northern Ireland, BT2 7HG, GB
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What window & door fitter jobs in Ards typically involve

Window & Door Fitters working in Ards are typically hired for upvc & aluminium windows, composite & upvc doors, french and patio & bifold doors. The right tradesperson for your job depends on the scope: small repairs are usually quoted on an hourly or half-day basis, while larger jobs are quoted as a full job price after a site visit. See the typical NI cost table below for indicative pricing.

Why hire a local Ards window & door fitter

A window & door fitter who already works across Ards & North Down usually knows the property stock and the small site-specific issues (access, parking, on-street loading, local layout quirks) that a tradesperson coming in from outside the area is more likely to underestimate. Hiring locally also means shorter travel time for follow-up visits if anything needs adjusting after the job.

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Before you hire

Insurance, credentials and references are checked at application stage only. Please verify current insurance and credentials directly with any tradesperson before work begins or any money is paid.

Common services

Whole-house window replacement (uPVC, aluminium, timber)
Single window supply and fit
Composite and uPVC external doors
French doors, sliding patio doors and bifolds
Misted / failed double-glazed unit replacement
Sash window replacement (uPVC or timber)
Handles, hinges, locks and seals repair
Trickle vent installation
Old frame removal and disposal

What to ask before hiring

How is Building Control sign-off being handled, and who lodges it?
Is the quote for the identical spec as the survey — glass, frame, colour, hardware?
What is the guarantee on frames, units and installation, in writing?
Are you replacing the sealed unit or the whole frame, and why?
Will you make good plaster and render, or is that excluded?
What happens to the old frames and glass?
Do you have current public liability insurance?

Typical costs in Northern Ireland

Job type	Typical price	Notes
uPVC casement window (small or medium)	£350–£650	Supplied and fitted; NI 2026
uPVC casement (large or bay)	£650–£1,200	Bay windows at the top end
uPVC back door	£550–£900	Standard half-glazed
Composite front door	£900–£1,800	Most popular front-door choice
uPVC French doors	£900–£1,600	Pair, supplied and fitted
Patio / sliding door	£1,200–£2,500	Two or three pane
Aluminium window (per unit)	£700–£1,300	Slimmer frames, dearer than uPVC
Aluminium bifold (3 pane)	£2,500–£5,000	Spec-driven, brand matters
Sash window (uPVC or timber)	£700–£1,400	Timber and conservation styles higher
Whole-house replacement	£3,000–£18,000	Most NI homes; size and spec driven

Qualifications & accreditations to look for

Building Control familiarity (NI)

No FENSA in NI — replacement glazing is signed off via council Building Control, and your installer should know the route

Glass and Glazing Federation (GGF)

UK-wide trade body for glazing firms, operates in NI

Manufacturer-approved installer schemes

Rehau, Veka, Kömmerling and similar approved fabricator/installer networks

CSCS Card

Construction Skills Certification Scheme — site competence

Public Liability Insurance

Minimum £2m — required on NI Trades for window and door work

Frequently asked questions

Do replacement windows need Building Control approval in Northern Ireland?

Replacement window and door work in Northern Ireland falls under the NI Building Regulations, and unlike England and Wales there is no FENSA-style self-certification scheme here — sign-off runs through your local council Building Control. In practice installers handle this differently, so the question to ask is direct: how is Building Control being handled for my job, and who is lodging it? Get the answer in writing. If you are ever unsure, your council Building Control office will tell you exactly what your job needs before work starts.

How much does double glazing cost in Northern Ireland?

Researched NI 2026 ranges: a small or medium uPVC casement window runs £350 to £650 supplied and fitted, larger and bay windows £650 to £1,200, and a whole-house replacement lands between £3,000 and £18,000 for most NI homes depending on size and specification. Aluminium runs dearer at £700 to £1,300 per window. These are ranges from real NI installer quotes, not GB averages — and you can check any quote you receive against them free with our Quote Checker.

My double glazing has misted up. Do I need new windows?

Usually not. Misting between the panes means the sealed unit has failed, and in most frames the glass unit can be replaced on its own while the frame stays put — significantly cheaper than full replacement. Frames that are warped, rotten or blown are a different story. A trustworthy fitter will tell you which situation you are in; a quote for whole-window replacement without explaining why the frames cannot be kept deserves a second opinion.

Should I sign up to a finance deal on the day to get the discount?

No — and this exact tactic is why we say it plainly. A discount that only exists if you sign today is pressure selling, common in the windows industry, and reputable NI installers give written quotes that survive a week of thinking. If you are considering finance, compare the financed total against the cash price for the identical specification, and check the quote itself against researched NI ranges first. Our answer on whether double glazing finance is a good idea covers the full weigh-up.

Helpful NI guides for hiring a window & door fitter

About window & door fitters in Ards

Ards sits within Ards & North Down, and the window & door fitters listed here cover this area as part of their council coverage on NI Trades. Window & Door Fitter jobs in Ards typically range from upvc & aluminium windows to composite & upvc doors.

Important

The windows industry is where doorstep pressure-selling lives: a "today only" discount that vanishes if you take a week to think is a sales tactic, not a price. Reputable NI installers give a written quote that survives thinking time. And if a sealed unit has misted, you can usually replace just the glass unit rather than the whole frame — a fraction of the cost, and a question worth asking before anyone quotes you for full replacement.

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Ards is part of our Northern Ireland directory. NI Trades is an introduction service, we list tradespeople who have passed our application-stage checks, but we are not party to any contract you enter into with a tradesperson. See how we vet tradespeople or browse all trade categories.

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