Knowledge Centre
Industry Standards
- TM59: Overheating Risk in Dwellings – 2026
Read the latest CIBSE TM59 methodology for assessing overheating risk.
- TM59: Overheating Compliance Checklist 2026
Read the 2026 CIBSE compliance checklist.
- TM59: Weather File Requirements 2026
Read the 2026 CIBSE weather file guidance.
- BSRIA Guide to Building Performance
Read the BSRIA guide to building performance evaluation in domestic buildings.
- KBB Installation Standards & Guidelines
Read the latest installation standards and guidance for the kitchen, bedroom and bathroom industry.
- NHBC Standards 2026: Mechanical Ventilation with Heat Recovery
Read the 2026 NHBC requirements and guidance for mechanical ventilation with heat recovery systems.
- NHBC Standards 2026: Ventilation Installation and Commissioning
Read the 2026 NHBC requirements for the installation, commissioning and balancing of ventilation systems.
- NHBC Standards 2026
Read the latest NHBC Standards for the technical requirements and performance standards for new homes.
- PAS 2030:2023
Read the specification for the installation of energy efficiency measures in existing dwellings.
- PAS 2035:2023
Read the specification and guidance for retrofitting dwellings for improved energy efficiency.
Indoor Air Quality
- Air Quality Strategy
Read the Government's strategy for improving air quality.
- APPG Healthy Homes
Read the report on healthy homes and buildings.
- Awaab's Law
Read the latest Government guidance on Awaab's Law and the requirements for social landlords.
- Maintaining a Healthy Home
Read guidance on how good ventilation can help maintain a healthy indoor environment.
- Indoor Air Quality Video
Watch this video to learn more about the importance of good indoor air quality in your home.
- Indoor Air Polution
Learn more about indoor air pollution, its potential health effects and ways to improve indoor air quality.
- Passive House
Find out more about the principles and benefits of Passive House design.
- Damp and Mould: Understanding and Addressing the Health Risks
Read the latest Government guidance on understanding and addressing the health risks of damp and mould in rented homes.
- Indoor Airborne Allergens
Read Government guidance on indoor airborne allergens and how ventilation and indoor air quality can affect health.
Landlord Guidance & Regulations
- Energy Company Obligation (ECO4)
Read the latest guidance on the Energy Company Obligation (ECO4) energy efficiency scheme.
- Awaab's Law
Read the latest Government guidance on Awaab's Law and the requirements for social landlords.
- Awaab's Law: Phase 2
Read the latest guidance on the Phase 2 requirements of Awaab's Law for social landlords.
- Renters' Rights Act 2025
Read the latest Government guidance on the Renters' Rights Act 2025 and what the changes mean for landlords.
- Renters' Rights Act 2025: Enforcement
Read Government guidance on the enforcement measures landlords and letting agents need to understand under the Renters' Rights Act 2025.
- Damp and Mould: Guidance for Rented Housing Providers
Read the latest Government guidance on understanding and addressing the health risks of damp and mould in rented homes.
- Decent Homes Standard
Read the latest Government policy on the reformed Decent Homes Standard for social and privately rented homes.
- Minimum Energy Efficiency Standards (MEES)
Read Government guidance for landlords on minimum energy efficiency standards for privately rented properties.
Building Regulations: Dwellings
- Fire Safety: Approved Document B – Dwellings
Read the latest Building Regulations guidance in England covering fire safety in new and existing dwellings.
- Ventilation: Approved Document F – Dwellings
Read the 2026 Building Regulations guidance in England covering ventilation requirements in dwellings.
- Ventilation: Approved Document F (Wales)
Read the latest Building Regulations guidance in Wales covering ventilation requirements in dwellings.
- Conservation of Fuel and Power: Approved Document L – Dwellings
Read the 2026 Building Regulations guidance in England covering energy efficiency requirements in dwellings.
- Overheating: Approved Document O
Read the Building Regulations guidance in England covering overheating requirements for new residential buildings.
- Existing Home Ventilation Guide
Read the Government guidance on ventilation requirements and compliance for domestic buildings.
- Scottish Domestic Ventilation Building Standard
Read the latest Scottish Government building standards guidance for domestic ventilation.
Building Regulations: Other Than Dwellings
- Fire Safety: Approved Document B – Buildings Other Than Dwellings
Read the latest Building Regulations guidance in England covering fire safety in buildings other than dwellings.
- Ventilation: Approved Document F – Buildings Other Than Dwellings
Read the latest Building Regulations guidance in England covering ventilation requirements in buildings other than dwellings.
- Conservation of Fuel and Power: Approved Document L – Buildings Other Than Dwellings
Read the latest Building Regulations guidance in England covering energy efficiency requirements in buildings other than dwellings.
Research
- Research Into Overheating in New Homes – Phase 1
Read the Government research report on overheating risk in new homes.
- Research Into Overheating in New Homes – Phase 2
Read the Government research report on overheating risk and mitigation strategies in new homes.
- Research Into Ventilation and Indoor Air Quality in New Homes
Read Government research into ventilation and indoor air quality in new homes.
- The Inside Story: Health Effects of Indoor Air Quality on Children and Young People
Read the RCPCH report on the health effects of indoor air quality on children and young people.
Schools and Education
- BB93: Acoustic Design of Schools
Read Government guidance on acoustic design and performance standards for schools.
- BB101: Ventilation, Thermal Comfort and Indoor Air Quality
Read Government guidance on ventilation, thermal comfort and indoor air quality in schools.
- Ventilation and Air Quality in Education and Childcare Settings
Read the latest Government guidance on monitoring and managing ventilation and air quality in education and childcare settings.