Sash Windows
in Belfast.
Traditional and modern sash windows — timber, aluminium and UPVC.
Sash Windows
Delivered nationwide by S&K Group Limited. Free survey, fixed quote, fully insured.
Sash Windows across Belfast.
Looking for a trusted sash windows contractor in Belfast? Traditional and modern sash windows — timber, aluminium and UPVC.
All work is backed by S&K Group Limited's £10m public liability insurance, manufacturer warranties on materials (typically 10-25 years) and our own registered workmanship guarantee. We provide signed handover documentation, O&M manuals and warranty certificates on completion.
Sash Windows in Belfast
- Free site survey in Belfast
- Written fixed-price quotation
- UK-fabricated, regulation-compliant
- One project manager throughout
- £10m public liability cover
- Aftercare across County Antrim
Why Belfast clients choose S&K Group Limited.
Fixed-price quotations
Written specifications and fixed pricing. No mid-job extras unless the brief changes.
Free site survey
We attend your Belfast site, take measurements and quote — no obligation, no hidden charges.
Established 2000
Twenty-five years of installed UK commercial trade work. Companies House registered. UK-fabricated.
No deposit on commercial
Established commercial accounts and contractors typically work to standard net payment terms.
Out-of-hours emergency
Existing-client emergency cover for break-ins, storm damage and security failure in Belfast.
Listed-building experience
Conservation areas and listed properties handled with planning-aware specification and finishes.
Survey to handover in Belfast.
Free Survey
A senior installer attends your Belfast site — measures, photographs and discusses requirements. Typically within 5 working days.
Written Quotation
Detailed written quote with full specification, CAD where required, materials, finish options and clear timeline commitments.
Fabrication & Manufacture
Precision-manufactured in our UK facility. Quality-controlled at every stage. Lead times confirmed in writing.
Installation & Handover
Installed by our employed teams to schedule. Sign-off inspection, full documentation, warranty registration on completion.
Sash Windows in Belfast — common questions.
Can you work to my JCT or tender contract?
Yes. We work to JCT, NEC and CIS-registered contracts and are familiar with main-contractor procurement frameworks. References, financial accounts and accreditations available.
What warranties come with the installation?
Manufacturer warranties on materials (typically 10-25 years depending on system) plus our own registered workmanship guarantee. Documentation supplied on handover.
Do you work in occupied retail or office buildings?
Routinely. We deliver phased installations, out-of-hours starts and weekend programmes in occupied Belfast sites — minimising disruption to operations, customers or tenants.
Are you insured to work on commercial premises in Belfast?
S&K Group Limited carries £10m public liability insurance. CSCS-carded operatives, full risk and method statements, and current insurance certificates are provided on request for all Belfast projects.
Do you provide free quotations for sash windows in Belfast?
Yes — every sash windows enquiry in Belfast starts with a free site survey and a written, no-obligation quotation. We don't charge for surveying or quoting.