Double Glazed Windows
in Durham.
Replacement double-glazing units for commercial and residential properties.
Double Glazed Windows
Delivered nationwide by S&K Group Limited. Free survey, fixed quote, fully insured.
Double Glazed Windows across Durham.
Commercial, retail and residential clients in Durham trust S&K Group Limited for double glazed windows. Replacement double-glazing units for commercial and residential properties.
S&K Group Limited is registered at Unit 1, Hems Crescent, Great Barr, Birmingham (Companies House #16703925). We've operated as a commercial trades contractor since 2000 — over two decades of installed work in Durham and across the UK.
Double Glazed Windows in Durham
- Free site survey in Durham
- Written fixed-price quotation
- UK-fabricated, regulation-compliant
- One project manager throughout
- £10m public liability cover
- Aftercare across County Durham
Why Durham clients choose S&K Group Limited.
Working in live sites
Phased installs, out-of-hours work and disruption-minimised programmes for occupied Durham premises.
25-year warranties
Manufacturer-backed material warranties plus our own registered workmanship guarantee on every install.
Building Reg compliance
Part L, Part B, Part M, Part Q — current regulations built into every quote, not bolted on.
UK fabrication
Every aluminium, steel and glass component is manufactured in our own UK facility — controlled quality.
Fixed-price quotations
Written specifications and fixed pricing. No mid-job extras unless the brief changes.
Free site survey
We attend your Durham site, take measurements and quote — no obligation, no hidden charges.
Survey to handover in Durham.
Free Survey
A senior installer attends your Durham 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.
Double Glazed Windows in Durham — 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 Durham sites — minimising disruption to operations, customers or tenants.
Are you insured to work on commercial premises in Durham?
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 Durham projects.
Do you provide free quotations for double glazed windows in Durham?
Yes — every double glazed windows enquiry in Durham starts with a free site survey and a written, no-obligation quotation. We don't charge for surveying or quoting.