At CIBSE TM52 Thermal Comfort Analysis, we deliver fully compliant thermal comfort assessments for schools, offices, residential buildings, and public sector developments.

As climate change is increasing the risk of indoor overheating, TM52 analysis ensures buildings remain comfortable without excessive energy use.

Since TM52 uses adaptive comfort models based on occupant behaviour, it’s ideal for buildings without mechanical cooling systems.

Request your free TM52 analysis in Leicestershire quote today.

What Is CIBSE TM52 Thermal Comfort Analysis in Leicestershire ?

CIBSE TM52 Thermal Comfort Analysis in Leicestershire evaluates a building’s thermal performance using dynamic thermal simulation software.

The method determines whether the indoor environment remains within acceptable comfort limits during summer using weather data and occupancy schedules.

The assessment checks performance against three key criteria: number of discomfort hours, severity of overheating, and daily weighted exceedance.

If a space fails two or more of these criteria, it is deemed at risk of causing thermal discomfort.

As modern buildings are increasingly airtight and reliant on passive design, thermal comfort modelling is essential for both user satisfaction and building approval.

How Much Does TM52 Thermal Comfort Analysis in Leicestershire Cost?

The cost of TM52 thermal comfort analysis in Leicestershire ranges from £600 to £2,000.

The cost depends on the building size, number of zones, complexity of the design, and whether the project is assessed as part of a wider energy or environmental package.

For schools or large multi-zone projects, costs are generally higher due to the detailed modelling and reporting required.

As pricing depends on project scope, we offer fixed quotes following a review of plans and specifications.

When Is TM52 Analysis in Leicestershire Required?

TM52 analysis in Leicestershire is often required for naturally ventilated non-residential buildings, such as schools, colleges, offices, and healthcare centres.

It is typically requested at planning or pre-construction stages to support environmental performance targets or satisfy local planning authorities.

Many projects that fall under BREEAM or other sustainability frameworks also require TM52 thermal comfort analysis as part of environmental accreditation.

Since it helps avoid future occupant discomfort and complaints, early thermal comfort assessment is a valuable design-stage tool.

What Is Included in a TM52 Assessment in Leicestershire?

A TM52 thermal comfort assessment in Leicestershire includes a detailed simulation of the building’s indoor temperature conditions throughout a typical summer period.

The CIBSE TM52 methodology uses hourly internal temperature modelling to evaluate how the building responds to external weather, internal heat gains, shading, natural ventilation, and occupancy.

The simulation is conducted using recognised software tools such as IES VE or DesignBuilder.

Outputs include the number of hours above comfort thresholds, the extent to which these thresholds are exceeded, and how often thermal discomfort is likely to occur.

Since each building and zone has different use patterns, the assessment is tailored to the specific layout and function of the space.

What Are the Benefits of TM52 Thermal Comfort Analysis in Leicestershire?

CIBSE TM52 analysis in Leicestershire helps ensure a building will provide a comfortable indoor environment during periods of hot weathe.

Key benefits include:

• Identifies overheating risks before construction begins
• Optimises natural ventilation, shading, and fabric performance
• Improves occupant wellbeing, productivity, and satisfaction
• Helps meet planning conditions or environmental standards such as BREEAM
• Reduces reliance on mechanical cooling and energy use
• Supports low-energy building design with data-backed evidence
• Helps inform material choices, window design, and internal layouts

How Long Does a TM52 Assessment in Leicestershire Take?

Most TM52 assessments in Leicestershire are completed within 5 to 10 working days.

The timefram of the assessment depends on the complexity of the building and the availability of detailed inputs such as thermal fabric data, occupancy schedules, and ventilation strategies.

Since planning deadlines and BREEAM submissions are often time-sensitive, we recommend booking early to avoid delays.

What Types of Buildings Require TM52 Analysis in Leicestershire?

TM52 analysis in Leicestershire is most commonly required for naturally ventilated non-domestic buildings, including schools, universities, community centres, libraries, and open-plan offices.

These buildings are often designed without mechanical cooling, so they rely on natural airflow, shading, and passive design to control indoor temperatures.

As overheating in these settings can affect health, comfort, and learning outcomes, TM52 assessments are widely used in education and public sector developments.

Is TM52 Analysis Required for Planning Permission?

Local authorities or planning consultants may request a TM52 thermal comfort analysis to demonstrate that the proposed design will not lead to excessive indoor temperatures.

This is particularly common in urban locations, south-facing plots, or schools where overheating could compromise daily use.

Since compliance can influence planning outcomes, it’s best to confirm early whether thermal comfort analysis is required.

Can TM52 Be Used in Residential Projects?

TM52 is designed for non-residential, naturally ventilated buildings.

For residential properties, thermal comfort is assessed using CIBSE TM59, which evaluates overheating risk in homes.

Since each method is tailored to its specific building type, the correct assessment must be used for compliance and planning purposes.

What Data Is Needed to Carry Out a TM52 Assessment?

We require architectural drawings, construction specifications (U-values, thermal mass, glazing details), window and shading information, natural ventilation strategy, internal heat gains, and occupancy schedules.

If you are working toward BREEAM or Part O compliance, those design parameters should also be included.

Since modelling accuracy depends on data quality, complete and up-to-date inputs help ensure a fast and valid result.

What Happens If My Design Fails TM52 Criteria?

If the building fails two or more of the TM52 comfort criteria, we will recommend practical adjustments to reduce overheating risk.

These might include increasing window openings, improving night-time ventilation, reducing solar gain with shading, or adjusting internal layouts.

As we work closely with your design team, we provide cost-effective solutions that support compliance without major design changes.

Is TM52 Linked to BREEAM or Other Certifications?

TM52 assessments are often used as part of BREEAM credit HEA 04 (Thermal Comfort), which rewards buildings that demonstrate occupant comfort through design and modelling.

It can also support compliance with education funding frameworks, government guidance, and sustainability statements.

As thermal comfort is a core part of environmental performance, TM52 analysis contributes to both compliance and quality assurance.

Can TM52 Analysis in Leicestershire Be Combined with Overheating or Energy Assessments?

TM52 thermal comfort modelling in Leicestershire can be carried out alongside other simulations such as CIBSE TM59 overheating risk assessments or Part L SBEM/SAP calculations.

This combined approach provides a more complete view of both thermal comfort and energy performance.

Since many design choices affect both comfort and compliance, combining assessments can save time and streamline design decisions.

What Is the Difference Between TM52 and TM59?

TM52 is used for non-residential, naturally ventilated buildings and focuses on occupant comfort during summer, using adaptive comfort limits and occupancy profiles.

TM59 is designed for residential buildings, using fixed temperature thresholds and building-specific occupancy schedules to determine overheating risk.

As the standards address different building types, it’s important to choose the correct method based on the project use.

Do I Need TM52 for Air-Conditioned Buildings?

TM52 is intended for naturally ventilated or mixed-mode buildings.

For buildings that rely entirely on air conditioning, thermal comfort is managed through controlled systems, and overheating risk is less of a concern in terms of adaptive comfort.

Energy efficiency and internal conditions can still be assessed through SBEM or comfort modelling where required.

Can You Run TM52 Using Future Weather Data?

We can run TM52 assessments using future climate weather files such as those aligned with UKCP09 or UKCP18 projections.

This helps assess how the building might perform under medium- or high-emissions climate scenarios.

Since long-term resilience is increasingly important for schools and public buildings, future weather analysis is often included in design-stage planning or BREEAM assessments.

Is TM52 Assessment Accepted by Building Control or Local Authorities?

TM52 is not a legal requirement under Building Regulations, but it is widely accepted by local planning authorities, educational building frameworks, and BREEAM assessors.

In many projects, the results of a TM52 assessment are used to demonstrate responsible design and reduce the likelihood of overheating in a naturally ventilated building.

As it supports performance-led design and addresses climate risks, TM52 is increasingly part of environmental planning submissions.

How Do I Get Started with CIBSE TM52 Thermal Comfort Analysis?

For compliant, design-focused thermal comfort modelling in line with CIBSE TM52, contact CIBSE TM52 Thermal Comfort Analysis. 

We deliver accurate, fast, and practical assessments to support planning, design decisions, and occupant comfort.

As long-term thermal comfort is a key component of building usability, TM52 analysis supports better outcomes for both developers and end users.

Request your tailored CIBSE TM52 assessment in Leicestershire quote today.

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