Velux glazing  belfast northern ireland

Welsh Property Developments have been fitting and maintaining velux glazing units for over 30 years,  below are pictures of how a service and change of double glazing unit can transform your existing window .



velux reglaze and service by welsh property developments
2 service and reglaze by welsh property developments

velux window double glazing  replacment belfast ,northern ireland 

how to size  your window for a costing

1) open window  and attached to the top of the opening sash is a velux code plate


2) write down  the ggl code  and ring 02825646777 

all our  staff are complient with codes to costings

all double glazing unit options come with a 10 year fit and product guarantee

we carry spare parts and only use genuine glazing seals .


 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 .