Heat Pump Design From Plans | Heat Loss Calculations | Suffolk, Norfolk & Essex 

Professional Heat Pump Design & Heat Loss Calculations for New Builds, Extensions and Renovation Projects

Designing a heat pump system correctly starts long before installation. At Tawai Consulting, we provide professional heat pump design from plans, allowing homeowners, self-builders, architects and developers to understand the heating requirements of a property before construction begins.

Using architectural drawings and construction specifications, we carry out detailed room-by-room heat loss calculations and heating system design to ensure the property is equipped with the right heat pump, correctly sized emitters and an efficient low-temperature heating system.

Whether you are planning a new build, extension, barn conversion or major renovation, our independent design service provides the technical foundation needed to achieve excellent comfort, efficiency and long-term performance.

Why Design a Heat Pump System From Plans?

One of the most common mistakes in heating design is selecting equipment before understanding the building's actual heat demand.

By carrying out a full heat loss calculation from plans, we can determine:

• • • The heating requirement of every room

    • The overall design heat loss of the property

    • The appropriate heat pump size

    • Suitable flow temperatures

    • Radiator sizing requirements

    • Underfloor heating suitability

    • Domestic hot water requirements

This allows important design decisions to be made early in the project, reducing costly alterations later in the build.

Detailed Room-by-Room Heat Loss Calculations

A heat pump system can only perform efficiently when it is matched to the thermal characteristics of the building.

We calculate heat losses using information taken directly from your plans, including:

• Floor areas

• Room dimensions

• Wall constructions

• Roof constructions

• Floor constructions

• Window and door specifications

• Ventilation assumptions

• Design temperatures

Each room is assessed individually to ensure the heating system is capable of maintaining comfortable temperatures throughout the property during the coldest winter conditions.

Heat Pump Sizing

Selecting the correct heat pump is critical.

An oversized heat pump can increase installation costs and reduce efficiency, whilst an undersized system may struggle to maintain indoor temperatures during colder weather.

Our calculations allow us to determine the appropriate heat pump capacity based on the building's actual heat demand rather than estimates or rules of thumb.

This helps ensure:

• Improved seasonal efficiency

• Lower running costs

• Greater comfort

• Reduced cycling

• Longer equipment life

Radiator & Emitter Sizing

Heat pumps operate most efficiently at lower flow temperatures than traditional boilers.

As part of our design service, we calculate the correct emitter requirements for every room, ensuring sufficient heat output can be delivered at efficient operating temperatures.

Our designs include:

• • • Radiator sizing

    • Fan-assisted emitters

    • Underfloor heating assessment

    • Low-temperature heating design

This enables installers to accurately price and specify the heating system before work begins.

Underfloor Heating Assessment

Many new build and renovation projects incorporate underfloor heating to maximise heat pump efficiency.

Where applicable, we assess the suitability of underfloor heating and provide design information to support efficient operation and comfortable indoor temperatures.

Independent Heat Pump Design

Unlike installation companies, Tawai Consulting is an independent consultancy.

We do not sell heat pumps, radiators or installation services.

This means our recommendations are entirely impartial and based solely on the needs of your property.

Our objective is to provide accurate technical information that allows you to obtain competitive quotations and make informed decisions about your heating system.

Suitable Projects

Our Heat Pump Design From Plans service is suitable for:

• • • New build homes

    • Self-build projects

    • Property extensions

    • Barn conversions

    • Renovation projects

    • Deep retrofit projects

    • Low-energy homes

    • Passivhaus-style developments

What Information Do We Need?

To carry out a heat pump design from plans, we typically require:

• Floor plans

• Elevations

• Sections

• Construction specifications

• Window and door schedules

• Insulation details

• Proposed heating arrangements

If some information is unavailable, we can often work with reasonable assumptions and discuss options with you.

What You Will Receive

Upon completion, you will receive a comprehensive design package which may include:

• • • Room-by-room heat loss calculations

    • Whole-house heat loss calculations

    • Heat pump sizing recommendations

    • Radiator sizing schedules

    • Heating emitter schedules

    • Design temperatures

    • Technical design documentation

This information can be used to support installer quotations and heating system specification.

Areas Covered

Tawai Consulting provides heat pump design from plans throughout Suffolk, Norfolk and Essex. We can also undertake remote design work for projects across the UK where suitable plans and specifications are available.

Request a Quotation

If you are planning a new build, extension or renovation project and require professional heat pump design from plans, contact Tawai Consulting today. We provide independent heat loss calculations, heat pump sizing and heating system design throughout Suffolk, Norfolk and Essex.