Check what you can control. Work to a let building may need tenant cooperation or access; an upgrade may depend on a network connection or shutdown. Identify these conditions before assuming the dates are fixed.
Compare complete options
Ask each option to explain the problem it solves, what changes and what stays. Include associated electrical work, roof repairs, heating emitters, controls or access improvements where needed. These affect the completed job, even if sold separately.
Compare estimates using the same assumptions. Product efficiency does not guarantee your building's result. Solar generation, electricity used at the property and export are different measures; heating also depends on demand and how heat reaches rooms.
Check the official energy-device registration guidance for relevant home and small-business network processes. Larger or complicated schemes need their specific connection arrangements established.
Build the cost and programme
Ask for a price covering assessment, design, equipment, fitting, temporary arrangements, commissioning and handover. Identify ongoing licences, consumables and maintenance. If the budget assumes funding, verify current eligibility and conditions before counting on it.
The schedule should explain when supplies stop and how occupants can use the property meanwhile. Allow time to deal with findings instead of expecting normal use immediately after installation.
Decide how the result will be assessed
Agree what will be measured and over what period before work starts. Keep a handover record of new equipment, settings and assumptions about use. You need this information to maintain the improvement and understand later changes.
If carbon figures are included, retain the calculation boundary, usage data and sources. Use the government conversion-factor collection for the relevant activities and reporting period; accurate inputs are still needed.
Frequently asked questions
Should the cheapest quotation be selected?
Compare what you will receive under the same operating assumptions. The lower quote may exclude necessary associated work, commissioning or later support.
Can projected savings be treated as guaranteed?
No. Expected savings depend on how the property operates and the assumptions used. Ask for these to be explained and for a method of reviewing actual results.
Can a project be delivered in stages?
Yes. Each part must leave the property workable, with later connections and dependencies understood. Essential commissioning and future access for upkeep cannot simply be left unresolved.
Related services
Find energy improvement services, property projects, ongoing maintenance and further guides, or discuss your proposed upgrade.
Compare the complete cost
- Existing energy use and the quality of available data.
- Survey and design work before equipment is selected.
- Installation, controls, commissioning and measurement of performance.
Ask the quotation to show VAT, inclusions, exclusions and how any additional work will be agreed. Confirm whether the price covers the complete job or an initial visit.
A useful scope comparison
An initial energy review and a delivered upgrade are separate stages. Compare proposals by the decisions and deliverables they include, and ask what assumptions underpin any projected savings.
Request a quotation
Provide bills or usage data you are comfortable sharing, operating hours, plant details and the objective of the project.
