Residential Surveyors, Architectural Designers and Energy Assessors.

EPEC Ltd offer clients its services as Residential Surveyors, Architectural Designers and Energy Assessors (DEA, OCDEA and Retrofit).

Our aim is to to help our clients save Energy, improve the Performance and Efficiency of their homes, and provide Cost savings.

Please browse our website to find out more about our work and what we can offer you as Residential Surveyors, Architectural Designers and Energy Assessors. You will also find that our rates are very competitive. 


Frequently Asked Questions

What services do EPEC Ltd offer?

EPEC Ltd which is short for 'Energy Performance Efficiency and Cost savings'

We offer a range of energy and building related assessment and surveying services aimed at giving homeowners the best advice on how to reduce their energy usage and make home improvements. These are: 

  • SAP Calculations from £121.00
  • Domestic EPCs from £65.00
  • Architectural design and specification.
  • Retrofit energy assessments under PAS 2035: 2019 from £150.00
  • Building Surveying services. 
What are our EPC services?

We offer domestic EPCs at a reasonable cost (from £65.00) with short lead times (often within 48 hours) from quotation to booking, site survey, calculations, production and lodgement of the EPC.

Contact us here for a competitive quotation for your EPC requirements.

What is an EPC?

Much like the multi-coloured sticker on new appliances, Energy Performance Certificates (EPCs) tell you how energy efficient a building is and give it a rating from A (very efficient) to G (inefficient). They’ll tell you how costly it will be to heat and light your property, and what its carbon dioxide emissions are likely to be.

We offer EPCs from £65.00 each. 

An EPC also includes information on what the energy efficiency rating could be if you made the recommended improvements and highlights cost effective ways to achieve a better rating. Even if you rent your home, you could still implement some improvements noted on the EPC, such as switching to more energy efficient light bulbs.

EPCs are valid for 10 years from the date of issue.

Contact us here for a competitive quotation for your EPC requirements.

What is a SAP Calculation?

The Standard Assessment Procedure (SAP Calculation) is the UK Government’s approved methodology for calculating the energy performance of new built of converted dwellings.

We offer these for housebuilders, developers and homeowners's house extensions from £121.00.

For compliance with Building Regulations PART L 2010, SAP calculations are required for all new dwellings together with the ones that have been created through material changes of use involving building work and extensions over certain sizes (consult with your building control authority for this requirement).

SAP EPC report is generated through the use of Government Approved software and technical calculations to produce a Predicted Energy Assessment (PEA) and an On Construction Energy Performance Certificate (OCEPC) both of which are reports evaluated from the supporting SAP Calculations.

Contact us here for a competitive quotation for your SAP requirements.

What are our SAP Calculation services?

Our Elmhurst accredited OCDEA SAP experts review your building plans with the proposed specification to compare your building’s expected carbon emissions against the target. The data from the calculation is used to produce an Energy Performance Certificate (EPC), which is needed to sell or rent the new build property.

We offer these from £121.00 to £348.00.

A good time to complete a SAP is once you’ve received planning approval before work begins on site. This gives our SAP experts the best opportunity to offer solutions to meet compliance if your proposed specification does not meet the carbon emission target.

We work closely with local authorities to understand their requirements and have a good level of experience in producing accurate SAP calculations trusted by local authorities. We have in mind the bigger picture when producing your SAP, and if we think you are over-committing in specific areas, we’ll notify you and show where you can save yourself money.

Contact us here for a competitive quotation for your SAP requirements.

What are our architectural design and specification services?

If you are looking to build an extension for your home you will need to make sure that the new building complies with current Planning and Building Regulations.

This normally begins with a design consultation, production of architectural plans (drawings) and submission of these to your local authority planning and building regulation departments.

We offer our clients a complete service from initial design to completed drawings and plans with a specification that ensures your build meets current planning and building regulations.

Contact us here for a competitive quotation for your architectural design and specification requirements.

What are our building surveying services?

As building surveyors working under the supervision of an FRICS surveyor we are pleased to offer a comprehensive range of building surveying services. 

Contact us here for a competitive quotation for your building surveying requirements.

What is the Energy Efficiency Association?

The Energy Efficiency Association is a UK based trade association set up in 2018 to help coordinate communication and collaboration within the field of Energy Efficiency.

We do this in a number of ways, mostly through meetings and events, our online membership network and information publications.

Our membership of this association keeps us up to date with the most recent developments in the world  domestic energy efficiency through attendance at meetings with leading energy efficiency professionals, suppliers, government agencies and leaders of trade and professional bodies. 

Using knowledge gleaned from meetings and by contributing to workshops and the like we are in a strong position to give our clients the most up to date professional advice and guidance.  

Learn more about the Energy Efficiency Association here

Using our range of skills, qualifications, knowledge and experience as residential surveyors, architectural designers and energy assessors we consistently give our customers a high quality service which will meet their specific needs.

Contact us here for a competitive quotation for your requirements.


07867 787672



5 Harmans Yard Great Dunmow Essex CM6 1AS

EPEC Ltd is a private company limited by shares with its registered office at the above address registered with companies house on 2nd July 2018.

Registered company number 11444113