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Gibraltar deploys simulation tool for net-zero buildings
Modelling tool by IES will provide granular insight on net-zero energy buildings in one of Europe’s most space-constrained and air-conditioning reliant nations.
Gibraltar has appointed Glasgow-based climate tech firm IES create the territory’s first dynamic simulation engine for compliance with local building regulations.
The Dynamic Simulation Modelling (DSM) tool will facilitate net-zero design buildings to help building professionals meet Gibraltar’s Part F energy regulations for new buildings and extensions.
Sustainable buildings
Work on the Gibraltar DSM tool began in September 2024, moved to development completion this spring (2025), and is now publicly available today, coinciding with the Gibraltar Aspire Sustainable Built Environment Conference.
Developed in partnership with HM Government of Gibraltar and funded through the territory’s Climate Action Fund, the new dynamic modelling platform becomes the sole DSM performance-based compliance pathway on Gibraltar.
“The nature of Gibraltar’s dense urban fabric, limited roof area for solar panels, and hot Mediterranean summers makes it extremely difficult to reach net-zero without the insights that dynamic thermal simulation offers”
By replacing simplified, monthly-average building design methods with high-resolution, hourly-step simulation, the DSM engine will provide local architects, engineers, and regulators with the granular insight they need to design and approve net-zero energy buildings in one of Europe’s most space-constrained and air conditioning reliant nations.
New residential or non-domestic projects seeking planning permission must demonstrate compliance. In practice, however, any building with sophisticated architecture, controls, or renewable generation will require the DSM pathway.
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“The nature of Gibraltar’s dense urban fabric, limited roof area for solar panels, and hot Mediterranean summers makes it extremely difficult to reach net-zero without the insights that dynamic thermal simulation offers”, said Vincent Murray, associate director at IES.
“Our DSM platform evaluates the interaction of form, facade, thermal mass, smart HVAC and on-site renewables hour by hour throughout the year, so design teams can evaluate all aspects of the building design to meet the Part F regulations. In practical terms, that’s what makes the difference between an aspirational target and a building that genuinely produces as much energy as it consumes.”
A spokesperson for the Department of the Environment, Sustainability, Climate Change and Heritage at HM Government of Gibraltar, added: “By embedding IESVE Dynamic Simulation technology into our regulatory structures, we are equipping the market with the only tool capable of testing complex geometries, rooftop-solar layouts, and advanced cooling strategies before ground is even broken. That means faster approvals, lower operating costs, and a built environment that supports – rather than hinders – our climate goals.”
The integration also plugs Gibraltar’s design community into the wider IES ecosystem, which provides digital-twin technology, operational data analytics, and campus-scale net-zero road-mapping, offering stakeholders a continuous line of sight from early concept to post-occupancy performance.
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How does dynamic simulation improve net-zero building design accuracy in Gibraltar?What role does hourly-step thermal simulation play in meeting Part F regulations?How can digital twins enhance post-occupancy performance monitoring of buildings?In what ways does the DSM tool support advanced cooling strategies effectively?How does integrating DSM technology accelerate planning approvals and reduce costs?air qualityclimate actionClimate change/ResilienceConnectivity & Datadigital twinsEnergy & Environmentnet zeroRenewablesresilienceurban space
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