Interior Surfaces Specialists Limited
Window & double glazing company registered in Sheffield, South Yorkshire
Registered address
UNIT 1A BANKSIDE WORKS, DARNALL ROAD, Sheffield S9 5AH
✓ Active on Companies House
Companies House number08361707
IncorporatedJanuary 2013
13 years on the register
13 years on the register
Company typePrivate Limited Company
Trade (SIC 43320)Joinery installation (windows, doors & frames)
Accounts on fileFull accounts, small-company exemption · last filed March 2025 · next due December 2026
Also registered for43390 - Other building completion and finishing; 43999 - Other specialised construction activities n.e.c.
Listed from the public Companies House register, not an endorsement. Quote requests go to FENSA or Certass registered installers covering your postcode, not necessarily this company. Accounts filing category reflects company size under Companies House rules, not service quality. Map location is approximate, based on the registered postcode.
Before you book Interior Surfaces Specialists Limited
This page confirms the company is on the Companies House register. It does not confirm FENSA or Certass registration, insurance, or trading status. Check those yourself first.
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Is Interior Surfaces Specialists Limited FENSA or Certass registered?
This directory does not confirm registration. Window and door installers self-certify their work against Building Regulations through a Competent Person Scheme — mainly FENSA or Certass — so check the company name or postcode (S9 5AH) directly on the FENSA or Certass website before booking, and ask to see the certificate number.
Should I repair or replace my windows?
Repair makes sense for a failed seal (misted double glazing), a worn handle or hinge, or a damaged lock on an otherwise sound frame — usually a straightforward swap. Replacement is the better value once frames are warped, draughty, rotten (on timber) or past roughly 20 to 25 years old, or when several units across the house have failed. Ask the installer to price both where it's borderline.
Is new double glazing covered by a warranty?
uPVC frames typically carry a 10 year manufacturer or insurance-backed guarantee, and sealed glazed units are usually guaranteed separately for 5 to 10 years against misting. Register the guarantee after installation and keep the FENSA or Certass certificate — a buyer's solicitor will ask for it if you sell the property.
Does a listing here mean Interior Surfaces Specialists Limited is recommended?
No. Companies appear in this directory because they are on the Companies House register under a window/joinery installation trade code. A listing is not vetting, endorsement, or a guarantee that the company is trading or FENSA/Certass registered.
How many window and glazing companies are there in South Yorkshire?
This directory holds 801 active window and glazing businesses across 39 towns in South Yorkshire, all from the Companies House register. Sheffield accounts for 184, among the county's busiest. About 39% of South Yorkshire's registered window and glazing firms were incorporated in the last three years, so weigh incorporation date and FENSA/Certass registration, not just company age.