Noise Insulation Scheme

We currently operate a Noise Insulation Scheme (NIS) to mitigate noise for communities most affected by aircraft noise in line with current aviation noise policy. The policy will provide a financial contribution towards noise insulation for residential properties, hospitals and schools within the 92-day summer average 63dBL_Aeq,16h contour.

For more information about how this noise level is measured, please go to Aircraft noise and effects.

We arrange for assessments to be made of properties applying for the scheme to identify what, if any, insulation would be effective in achieving appropriate noise reduction. Examples of improvements that could be made are:

• Replacement/enhanced windows
• Acoustic air vents or simple wall mounted ventilation systems
• Loft insulation
• Replacement/enhanced external doors

The management of the NIS is overseen by the Airport Consultative Committee (ACC). 

Full details of our current Noise Insulation Scheme can be accessed here.

As part of this Noise Action Plan we propose to extend the residential Noise Insulation Scheme to properties within the 92-day summer average 60dBL_Aeq,16h contour, going beyond aviation noise policy requirements. This would increase the approximate number of eligible properties dramatically - see below. 

Extent of residential NIS eligibility contours based on 2023 data

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