Offices Nationwide

Point of Reference
10 dBA is the sound level of normal human breathing. To put it into perspective, thunder is a whopping 120 dBA...more

The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more
Part E
Resistance of the Passage of Sound

King's Langley - DEC -
The office that covers this area is: London
Phone Number: Email: kings-langley@e2consultants.co.uk
King's Langley - DEC
Since October 2008, DEC For Public Buildings (DEC) & Advisory Reports have been a legal requirement.
Public buildings in King's Langley require DEC, as do those occupied by public authorities with have a total floor area > 1,000m2 (GIA) and provide a public service to a large number of people, e.g. a hospital or a school.
Your DEC will show the energy performance of a building based on actual energy consumption as recorded annually over periods up to the last three years. The PENALTY is £500 for failing to display a DEC at all times in a prominent place clearly visible to the public and £1,000 for failing to have possession of a valid advisory report. In addition to these penalties, it is still necessary to commission the documents. The DEC is valid for 1 year. E2 Consultants provides affordable DECs Display Energy certificates & AR Advisory Reports, we have experienced assessors equipped & qualified to undertake any type of building anywhere in the UK, no matter how complex or diverse the structure is.
All E2's DEC assessors have a prompt turnaround time on all Display Energy Certificates (DEC) & Advisory Reports (AR). For further information regarding your DEC navigate to our downloads section, found in the footer, or call one of our UK specialist consultants on or Email query@e2consultants.co.uk
Our other services include:
DEC can also be known as:
Display Energy Certificate,


Copyright 2025 E2 Specialist Consultants Limited
Company No. 06728970