SBEM for Planning Applications London

What Is SBEM and How Does It Support Planning?

SBEM (Simplified Building Energy Model) measures the energy performance of non-domestic buildings.

It calculates:

Carbon emissions
Energy consumption
Fabric performance
Heating and cooling efficiency
Ventilation and lighting demand

At planning stage, SBEM provides quantifiable energy data that supports sustainability reports and demonstrates how a development will reduce carbon emissions.

As a result, planning officers and consultants can assess whether a scheme aligns with local and regional policy requirements.

For a full overview, read our guide on SBEM Calculations London, which explains how modelling supports commercial development.

🏛 Why SBEM Is Important for Planning in London

Planning requirements in London go beyond national Building Regulations.

Developments must align with policies influenced by the Greater London Authority and strategic guidance within the London Plan.

These policies require developments to follow the London energy hierarchy:

Be Lean – reduce energy demand
Be Clean – supply energy efficiently
Be Green – use renewable energy

SBEM modelling helps demonstrate compliance with these principles by providing detailed performance data.

Therefore, developers often use SBEM calculations to support planning submissions and reduce the risk of objections.

🧾 SBEM and Energy Statements for Planning Applications

In most London boroughs, developers must submit an energy strategy alongside planning applications.

This typically takes the form of an Energy Statement for planning applications.

Energy Statements demonstrate:

Carbon reduction strategies
Energy efficiency measures
Use of low and zero carbon technologies
Compliance with local planning policy

SBEM modelling provides the data required to support these reports.

By aligning SBEM modelling with your Energy Statements, you create a consistent and evidence-based planning submission.

🏗 When Should SBEM Be Completed for Planning?

Developers should complete SBEM modelling as early as possible during the design stage.

Early modelling allows the design team to:

Identify potential compliance issues
Adjust glazing ratios
Improve insulation performance
Optimise building services
Strengthen planning submissions

As a result, early SBEM modelling reduces redesign risk and improves planning success rates.

If you are unsure whether your project requires modelling, read our guide When Are SBEM Calculations Required in London?

🌬 Air Tightness and Planning Strategy

Air permeability assumptions influence both SBEM modelling and planning strategies.

Although air tightness testing occurs after construction, designers must define realistic targets during the design stage.

Therefore, coordinating SBEM modelling with air tightness strategy ensures that predicted performance aligns with real-world results.

This helps avoid discrepancies between planning assumptions and final compliance outcomes.

⚖ SBEM vs SAP for Planning Applications

Many London developments include both residential and commercial elements.

In these cases:

Commercial areas require SBEM modelling
Residential areas require SAP Calculations

For example:

Ground floor retail units → SBEM
Residential flats above → SAP

Understanding this distinction is essential when preparing planning applications.

To learn more, read our guide SAP vs SBEM – What’s the Difference?

💷 How Much Do SBEM Calculations Cost for Planning?

The cost of SBEM modelling depends on building size, complexity and services.

Typical London pricing includes:

Small commercial unit → £500 – £850
Medium development → £850 – £1,600
Large schemes → £1,600+

However, early modelling often saves money by preventing costly design changes later.

For a detailed breakdown, read our guide How Much Do SBEM Calculations Cost in London?

🧾 From Planning to Final Certification

While SBEM modelling plays a key role during the planning stage, compliance does not end there.

Once construction is complete, the building must achieve final certification before it can be occupied, sold or leased. This is achieved through a Commercial EPC Assessment, which uses the SBEM model alongside the final as-built building data to determine the building’s energy rating.

By considering both SBEM and EPC requirements early, developers can ensure a smoother transition from planning approval to final compliance.

📋 What Information Is Required for Planning Stage SBEM?

To complete SBEM modelling for planning applications, assessors typically require:

Architectural drawings
Elevations and sections
Construction specifications
Glazing performance data
HVAC system details
Lighting layouts
Ventilation strategy
Air permeability assumptions

Providing this information early improves modelling accuracy and speeds up the planning process.

📍 SBEM for Planning Across London Boroughs

Assessment Hive supports planning applications across all London boroughs, including:

Camden
Barnet
Enfield
Westminster
Islington
Hackney
Kensington & Chelsea

Because our service operates remotely, we support developments across Greater London.

❓ Frequently Asked Questions

Do I need SBEM Calculations for planning permission in London?

In many cases, yes. While SBEM is not always mandatory at planning stage, developers often use it to support Energy Statements and demonstrate compliance with sustainability policies.

Can I submit a planning application without SBEM?

You may be able to. However, many London boroughs expect energy modelling data as part of sustainability reporting. Without it, your application may face delays or requests for additional information.

When should SBEM be completed for planning?

You should complete SBEM modelling during the early design stage. This allows the design team to refine the building before submitting the planning application.