Healthy homes

Ventilation

As homes become better sealed, controlled ventilation keeps moisture and stale air moving without throwing away your heat.

Typical install
1 day
Disruption
Low
Often paired with
Insulation
A ceiling ventilation grille in a bright UK hallway

Helps manage condensation and damp

Supports healthier indoor air

Often required alongside insulation work

Runs quietly in the background

The basics

What ventilation actually does

As homes are insulated and draught-proofed, controlled ventilation becomes more important for managing moisture and air quality.

This is likely to suit you if…

  • You see condensation on windows or mould in corners
  • You have recently insulated or draught-proofed
  • Rooms feel stuffy or smell damp
  • Existing extract fans are old or ineffective

Your options

Types of work an installer may recommend

Which option suits you depends on your property's construction, age and condition. A survey confirms what is possible.

Extract fans

Improved fans in kitchens and bathrooms.

Positive input ventilation

A gentle supply of filtered air from a loft-mounted unit.

Mechanical ventilation with heat recovery

Whole-home system recovering heat from extracted air.

Damp is usually a ventilation problem

Before treating surfaces, it is worth understanding where the moisture comes from and how it leaves. Good ventilation deals with the cause rather than the symptom.

Step by step

How the journey usually runs

  1. 1

    Initial eligibility check

  2. 2

    Ventilation assessment

  3. 3

    Installation

  4. 4

    Commissioning and advice

Paying for it

Funding routes that may apply

Funding is never guaranteed. These are the routes most often used for this type of work in the UK.

Usually included as part of a funded insulation package

Local authority damp and mould programmes

Schemes that can cover ventilation

OpenEngland, Wales

Home Warmth Support Scheme

A sample obligation-style scheme offering insulation and heating improvements to households meeting income or benefit-related criteria.

Who it may suit: Lower-income households and certain benefit recipients in less efficient homes.

InsulationHeatingVentilation

Last reviewed: [Last reviewed date]

Initial results are indicative only. Final eligibility and funding are subject to checks by the relevant scheme, authority, funder or installer.

Be prepared

Questions worth asking an installer

  • What ventilation standard are you designing to?

  • How noisy is the system in normal use?

  • What maintenance and filter changes are needed?

  • Will it be assessed alongside insulation work?

Every installer listed with us is checked for accreditation and insurance before they appear in your matches.

Questions

Common questions

Properly specified systems are designed to manage moisture with minimal heat loss.

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See what funding may apply to your home

A free check takes a couple of minutes, never affects your credit score, and shows the schemes and installers relevant to your postcode.