Due to the ongoing COVID-19 Pandemic we are unable to actively fit/service windows at this time.

As we work from home, the office will be fully operational for any queries, help or assistance. We can still conduct surveys via photographs and multi media links and send out quotes as required.

Keep well, keep safe

Best wishes from all at Welsh Property Developments


VELUX - Welsh property developments

We are a family run business located across Northern Ireland, Belfast, Ballymena and Ballymoney. We  have been installing Velux Roof Windows for over 30 years and are Northern Ireland's leading supplier and installer of velux products. Our aim is to provide a quick, professional service to all our customers.

Our goal is to change the feel and concept of a room with the light and ventilation which comes from a velux roof window. Our specialist teams can provide and advise costings on single fits to multi-fits as we specialise in velux daylight to life roofspace conversions and bathrooms.



1) Our fitting teams are Velux Academy trained and certified. 

2) We are fully insured and accredited.

3) We have over 35 years of product knowledge.

4) Our office staff have full product facts and costings.

5) Surveys are carried out within 4 days with no hard sell policy.

6) Order to fit times are approx 2-3 weeks.

7) Free no obligation quotations given.

8) full 10 year guarantee on product and fit. 


Brighten up any room in the house and give it the much deserved light it needs.Transform any room of the house with a full range of velux products.


The diagram above shows how Velux products work.


triple combination mk08s by wpd 

interga mk08s being serviced by wpd 

velux cabrio  northern ireland  fitted by welsh property developments

 A Velux UK04 fit in Belfast: a room with a view.


 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


E-mail: mtwelsh@tiscali.co.uk


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 .