Velux certification/Due diligence


Your roof is the most important element of your home and as such you should only entrust any repairs or enhancements to qualified trades people with government  endorsed standards and who are accountable  to regulatory bodies . 

As members of Trust Mark we strictly apply all our licensed guidelines and adhere to our on site inspections . 


we also promise the following :-


We won't remove trusses from your roof to fit windows unless we have submitted and secured building control approval , thus saving the integrity of your roof  and future costs


We won't  ask you if you have already had a costing (price) that we might beat it


We won't  offer up velux 'sister' windows as a cheaper alternative 


We won't  knock your door  or cold call 


We won't  sell you non genuine velux products 


When we  say 35 years  experience that means genuine  fitting /servicing and all aspects of velux products 


 Simply call us on:


Landline: 028 25646777

Mobile: 07775538013


You can also use our contact form.

Office hours are 9am to 9pm Mon to Sat

1pm to 6 pm sundays


Welsh Property Developments

35 Galgorm Road

Ballymena BT43 5HA


Belfast BT9 7DS


Ballymoney BT53 7DA




Velux  Installers academy trained and certified 

Trust mark endorsed

Velux certified 

Qualified Building contractors 

Welsh property developments team include 


time served joiners ,plasterers, electricians ,plumbers,tilers and painters to cover all your project  requirements  ,our teams are also suplemented by structural engineers and  architectural designs .