Yes. A commercial energy assessor in Horsham will need to assess your building when:
Exemptions cover a narrow range of building types including places of worship, structures scheduled for demolition, and certain temporary buildings. If you think an exemption might apply to your property, our team can confirm quickly.
Not every Horsham commercial building starts from the same place. A recently built office unit on a business park will almost always outperform a Victorian retail premises in the town centre. Construction age, materials, and original heating systems all play a role in where a rating lands. The commercial Energy Performance Certificate in Horsham your assessor produces makes that picture clear from the outset. Where improvements are needed, Tandem Energy helps you understand what will actually move the rating and what is realistic for your building. Our assessors know Horsham’s commercial stock well and give straightforward advice based on what they find on the day, not a standard checklist that ignores the specifics of your property.
Not holding a valid commercial EPC when one is required can result in fines between £500 and £5,000 depending on your building’s rateable value. Beyond the fine, you cannot legally market or let the property until a certificate is in place. Buildings rated F or G also cannot be let under current MEES regulations without a formally registered exemption.




Share your property details with us and we will come back to you with a clear, individually priced quote that reflects the actual scope of the work.
We arrange the assessment visit entirely around your schedule. Whether your building is occupied during trading hours or more accessible at a quieter time, we plan accordingly.
Newer buildings on Horsham’s business parks generally perform well because they were built to more recent energy standards. Older town centre properties often score lower due to their original construction. The assessment identifies what is holding the rating back and what would make the most practical difference for that specific building type.
Offices, retail units, restaurants, warehouses, light industrial premises, and most other commercial buildings require a certificate before being marketed for sale or let. If you are unsure whether your specific property type is covered, our team can advise you quickly.
Yes. Many of our Horsham clients book a commercial EPC alongside PAT testing, an EICR, Legionella risk assessment, or retrofit assessment in a single visit. It saves time, reduces disruption, and keeps all your compliance in one place.
Smaller commercial units typically take around an hour. Larger or more complex premises will take longer. We will give you a realistic indication of timing when you confirm the booking so you can plan the day accordingly.
If the assessment returns an F or G rating, the building cannot be legally let without a registered exemption. Our team can work through the recommended improvements with you and identify the most practical steps to bring the rating up to the required standard. Many landlords find the improvements are more achievable than they initially expected.
Your commercial energy assessor in Horsham will produce a certificate that is valid for 10 years from the date of issue. If you carry out meaningful energy improvements during that time, commissioning a new assessment will capture the updated rating. It may significantly improve your position when marketing the property.
Yes. If you manage more than one commercial property in or around Horsham, we can coordinate visits efficiently to minimise disruption. Portfolio landlords and property management companies regularly use us for multi-site assessments.
The property address, approximate floor area, and current use are the most useful details to have to hand. Previous EPCs, floor plans, or information about recent energy improvements are helpful but not essential. Your assessor will cover anything else on the day.
Not automatically. If the refurbishment involved changes to HVAC systems, or altered the number of separately occupied units, a new assessment will be needed. If you are unsure, our team can advise you quickly.
Yes, and landlords are legally required to make it available at the earliest opportunity. Having a valid certificate ready before marketing begins puts you in a stronger position from day one.
From town centre period buildings to modern business park suites, our assessors understand the full range of commercial stock found across the town.
We move efficiently from your first enquiry to your completed certificate. So, nothing in your letting, sale, or development timeline is held up.
We understand Horsham's commercial premises are live, working businesses. That’s why every visit is arranged with minimum disruption in mind.
Your quote is based on the specific characteristics of your building, not a generic rate that may not reflect the real scope of what is involved.