About Us

North Coast Damp Proofing & Insulation Services Ltd - Castlerock - Coleraine - County Londonderry - Northern IrelandNorth Coast Damp Proofing (NCDP) is a locally run company based in Castlerock Co Londonderry with the capability of operating throughout all of Northern Ireland and Donegal. NCDP provide specialist remedial treatment for rising damp, rain penetration, condensation control, loft insulation and timber preservation.

NCDP high standards and quality workmanship are further enhanced by the use of leading brand named chemicals from Europe which deliver excellent results and reflect the no quibble guarantee provided by the manufacturer and further enhanced by our Company guarantee. We have an excellent working relationship with our chemical suppliers who are constantly researching new products to provide customers with the best available products to further protect their homes. The chemicals suggested as part of your treatment package will be advised in the quotation together with the guarantee which is normally for a 20 year period, and possibly longer dependent on the particular chemical. 


We realise that a customer’s home is their most valuable asset and at NCDP we pride ourselves in providing the best possible treatment available to meet their needs and ensure that they are totally satisfied with all aspects of the work from the initial survey through to completion. NCDP operating procedures employ supervisory stage audits to provide continual reassurance to the customer that the treatment plan is progressing as planned. No extra work or extra costs will be added without prior consultation with the customer.


NCDP only employ personnel who have the appropriate certified training in the application of remedial treatments and therefore we can guarantee an extremely high quality service beginning with our initial free survey and quotation for the planned treatment. We feel confident we can compete with major companies and provide a more personalised service at a very competitive price. Once you have you received your survey and quotation we can discuss all aspects of the treatment and pricing to ensure you are completely happy with all aspects of the work to be undertaken. 

We will never undertake work which is either beyond our capabilities or will not provide a long term solution to the home owner.