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Display Energy Certificates

A public-building requirement, renewal or missing certificate can prompt a DEC enquiry. Establish occupancy, use and the relevant building boundary. A DEC is based on operational energy use and is different from an EPC's assessment of the building's energy performance.

Discuss your requirements

Defined services, clearly scoped.

Overview

Describe the outcome required as well as the immediate issue. The starting information should identify the location, people affected and any change in use, so the assessment addresses the current requirement rather than simply repeating the previous arrangement.

What the service can include

The brief identifies the building, energy records, floor-area information and assessment requirements. It coordinates the appropriately accredited assessor and the certificate and advisory-report process. Missing or unusual data needs resolving rather than replacing it with an unsupported estimate.

Decisions that shape the service

Not every commercial building needs a DEC. Applicability and validity depend on the current requirements and the actual premises. The accredited assessment and lodgement process is distinct from general energy-management advice or gathering utility bills.

The proposal identifies the responsibilities that remain with the site or property team and the work included in our instruction. Connected repairs and specialist activities receive their own clear scope, so each person understands what they must arrange and what records they will receive.

Assessment and preparation

Provide building use, occupancy, area records and energy data for the relevant period. Identify shared supplies and on-site generation. Agree the responsible occupier and the person coordinating records with the assessor.

How the service proceeds

We establish the requirement and organise the necessary information for assessment. Data gaps and boundaries are clarified with the assessor. Handover retains the certificate, advisory information and the arrangements for display and future review where required.

For several sites, we agree consistent reporting and escalation while retaining local contacts and operating requirements. Each action stays connected to its building or service area, with a named route for decisions that affect the wider operation.

Cost, timing and disruption

Building complexity, data availability, shared supplies and assessor requirements affect cost. Gathering missing records may be separate work. Start early enough to resolve data questions before the required certificate date.

Tell us about operating hours, critical periods and the activities that must continue. The programme and price should reflect those constraints, including any phased delivery, additional access arrangements and reporting needed by the operational team.

Sector applications

Offices need work coordinated with staff and visitors. Retail needs trading and deliveries considered. Hospitality brings guest areas and food operations into the brief, while education needs access planned around teaching. Our complete service and project offering supports all sectors, with the arrangements based on each site's actual activity.

Local coverage

We cover Northumberland, Tyne and Wear, County Durham and Tees Valley, including Berwick-upon-Tweed, Alnwick, Morpeth, Hexham, Newcastle, Gateshead, Sunderland, Durham, Darlington, Hartlepool, Stockton-on-Tees and Middlesbrough. View all locations.

For a multi-site requirement, provide the local contact and working restrictions for each address. A common service brief still needs the differences between premises recorded.

Frequently asked questions

Is a DEC the same as an EPC?

No. They have different assessment bases and purposes.

Does every business property need a DEC?

No. Check the current criteria against the building's use and occupancy.

Can utility bills alone produce a certificate?

The assessor needs the relevant building and energy information, including any data or boundary questions.

Can certificates be coordinated across an estate?

Yes. Retain separate building boundaries and the correct records for each assessment.

Knowledge and guidance

Read planning an energy improvement project and building management systems explained. Official guidance provides the relevant context for this service. Browse the Knowledge Centre.

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