Jass Builder Limited
Window & double glazing company registered in Coventry, Warwickshire
Registered address
51 HEATHER ROAD, BINLEY WOODS, Coventry CV3 2DE
✓ Active on Companies House
Companies House number11187036
IncorporatedFebruary 2018
8 years on the register
8 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 February 2025 · next due November 2026
Also registered for43290 - Other construction installation; 43390 - Other building completion and finishing
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 Jass Builder 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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Free, no-obligation quotes from FENSA or Certass registered installers near you.
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Is Jass Builder 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 (CV3 2DE) directly on the FENSA or Certass website before booking, and ask to see the certificate number.
How much does window replacement cost in Coventry?
A single uPVC window in Coventry typically runs £300 to £600 supplied and fitted; a full house of 8 to 10 windows is often £3,000 to £8,000 depending on style (casement, bay, sash-look) and glazing spec. Get two or three written, itemised quotes before agreeing to work.
How do I get a quote from a window installer in Coventry?
Use the "Get Free Quotes" form on this page. Your job details go to FENSA or Certass registered installers covering the CV postcode area, who contact you directly. Coventry has 66 registered window and glazing businesses in this directory, though the installers who quote are not necessarily among them. It is free and there is no obligation.
Can I see reviews for Jass Builder Limited?
Not here. This is a register-based directory, not a review site. Look at independent review platforms, ask the installer for recent local references, and confirm FENSA or Certass registration before any work starts.
What is a FENSA or Certass certificate and why does it matter?
It's proof the window or door installation meets Building Regulations (thermal performance, safety glazing, ventilation) without a separate council building control sign-off. Without one, selling the property can mean paying for retrospective building control inspection or indemnity insurance, so keep the certificate with your house documents.