Contact Top Window Fixing
Send your drawings, call or message us. We price every project from its drawings and specification.
- Phone — Elena-Felicia Lazar, Director
- 07846 797891
- Phone — Cristinel Lazar, Installation Supervisor
- 07588 120670
- Message on WhatsApp
- Area
- Based in Hatfield, Hertfordshire — working across the UK
- Hours
- 24/7 for urgent call-outs
Send your drawings for a quote
Questions
What is your FIRAS certification?
Top Window Fixing holds FIRAS Certificate No. JA8184, issued by Warringtonfire, for the installation of cavity barriers and penetration sealing; it is valid to 22 July 2031.
What do we receive at the end?
Photos of every stage, daily reports during the works, our internal inspection before sign-off, and for FIRAS-certified scopes a FIRAS Certificate of Conformity.
Which areas do you cover?
The whole UK — we are based in Hatfield, Hertfordshire, and work on site wherever the project is.
Why are there no prices on the site?
Every project is priced from its drawings and specification — send them and we will quote.
Do you supply the materials?
Yes — we buy directly from the manufacturers and install tested systems; on FIRAS-certified work we supply and install.
How big is your team?
5 to 15 installers per project, NVQ Level 2/3, with site supervisors and FIRAS-accredited supervisors.
Do you carry out remedial works?
Yes — we inspect, identify non-compliant installations, remove them and install tested systems in line with Approved Document B and the Building Safety Act.
Do you take urgent call-outs?
Yes — we are available 24/7 for urgent call-outs; call or message us on WhatsApp.
What insurance do you hold?
£10m public liability.