New web enabled NSAI Approved Thermal Modelling Service

WMA are delighted to announce their new web enabled NSAI Approved Thermal Modelling Service

Thermal Modelling allows for improved detailed design, so that localised heat losses can be reduced thereby minimising the risk of structural deterioration within the building fabric, reducing the risk of mould growth and ensuring the thermal comfort of the occupiers of the building.

Building Control Regulations are driving the requirement for certified thermal bridge calculations in the certification of new buildings, and the upcoming nZEB requirements will increase the requirement for this analysis even further. To compliment our Architectural Design Practice, WMA have invested in our expertise to offer this service to all building professionals.

WMA’s new web enabled submission form allows you to upload your documentation, receive a quotation, and order in an efficient and cost effective manner.

The efficiency of this system enables us to provide customers with a high quality, streamlined, cost effective service, backed up with 25 years of industry leading performance driven Architectural experience.

Timber frame external corner detail

3D Chi Model



Thermal Bridge Submission Form
To access the submission form you need only upload your contact details. Once these details have been completed you will receive a link to the submission form where you will be requested to upload detailed information. More information can be found on the services section of our website.

Passive House Certification
Thermal bridge calculations are usually required for Passive House Certification. Window head, jamb, cill and threshold details in particular can have a significant effect on the overall energy balance of your building and may be the difference between achieving or failing to achieve the Passive House Standard.

Certified Thermal Bridge calculations can also be used to calculate an accurate Y-factor for input into DEAP for improved BER ratings. A calculated Y-factor in lieu of the default 0.15 (or 0.08 when Acceptable Construction Details (ACDs) are used) may bring your B rated dwelling into the A band and meet the incoming nZEB standard without the need for additional insulation or renewable energy systems.

Current TGD Part L for Dwellings, and for Buildings Other than Dwellings, (Appendix D) requires that details in buildings should be assessed to establish both the temperature factor (fRsi) and the liner thermal transmittance (Psi). WMA’s Thermal Bridge service can fulfill your obligations under these regulations.


Other Services
In addition to Architectural Design and Thermal Bridge Modelling WMA provide expertise in Conservation, Passive House Consultancy, Interior Design, Urban Planning & Project Management, nZEB, HPI, as well as additional services including hygrothermal analysis (WUFI), ITC certified thermography, localised climate data, BERassessments (domestic & non-domestic), and PSDP. We have gained an enviable reputation for top quality energy efficient design, backed by sound project management techniques ensuring cost effective buildings, timely delivery to a high quality standard.

For further information, visit our website at or contact us at +353 (0)21 230 7150.


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