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Existing properties
Energy certificates
EPCs, Display Energy Certificates and air conditioning inspections for homes and commercial premises.
In this group
5 services, each scoped in writing.
Add the ones you think apply and we will combine them into one quote request. If you are unsure, add your best guess and tell us about the project.
- Residential EPC
Energy Performance Certificates for homes being sold, let or newly built.
EPC · Valid for 10 years
- Commercial EPC
Non-domestic EPCs for commercial premises being sold, let or built.
EPC · Valid for 10 years
- Display Energy Certificates
DECs for buildings over 250 square metres occupied by a public authority and frequently visited by the public, based on actual energy use.
DEC · Renewal set by floor area
- Air conditioning inspections (TM44)
Inspections of air conditioning systems with an effective rated output over 12 kW, at least every five years, as the regulations require.
TM44 · At least every 5 years
- Retrofit energy assessment
PAS 2035 whole-home assessments of condition, ventilation, occupancy and energy performance, as the starting point for planning retrofit work.
PAS 2035 · Before improvement works
Intervals
What is due, and how often.
A general guide. The exact duty depends on the property, its use and who is responsible for it.
| Service | Typical interval | Standard or rule |
|---|---|---|
| Residential EPC | Valid for 10 years | EPC |
| Commercial EPC | Valid for 10 years | EPC |
| Display Energy Certificates | Renewal set by floor area | DEC |
| Air conditioning inspections (TM44) | At least every 5 years | TM44 |
| Retrofit energy assessment | Before improvement works | PAS 2035 |
A general guide for properties in England. The exact duty depends on the property, its use and who is responsible for it, and your quotation confirms what applies.
Also for existing properties
Related groups
Request a quote
Not sure which of these you need?
Tell us about the building and the stage it has reached. We will set out what applies in a written quotation.