About Us 

Welcome to Seneco. We are a company who specialise in providing SAP Calculations, Energy Performance Certificate's (EPCs) and Green Deal Reports for both Domestic and Commercial properties. We are based in Southport and operate in the Liverpool and Merseyside area but can offer to provide SAP Assessments and On-Construction EPCs (OCEPC) for your New-Build projects nationwide.

Since 2007, we have built up a loyal client base with many Developers, Property Agents and Housing Associations and we look forward to continue to expand and maintain our reputation by offering a professional yet friendly service, very competitive rates and gaining a name you can trust to deliver.

For Enquiries

We look forward to assisting you with any queries you may have about any of our services. 
To contact us for more information.
Mr Jeff P Smith. Dip OCDEA, DipDEA, Dip GDDA.
Office: 01704 386251
Mobile: 07840 763866
Email jeff@seneco.co.uk or use our contact form 

Our Services.

  • Part L1A SAP Calculations, for new build developments.
  • Part L1B SAP Calculations, for over glazed extensions and changing the use of a building to a dwelling. 
  • Predicted Energy Assessments (PEA) and On-Construction EPC's (OCEPC).
  • Target Carbon Dioxide Emission Rate  - Dwelling Carbon Dioxide Emission Rate Calculations. (TER/DER).
  • U-Value Calculations.
  • Water Efficiency Calculations.
  • NHER Dwelling Rates including Annual Fuel Costs.
  • Code for Sustainable Homes Assessments.
  • SBEM Calculations and Commercial Energy Performance Certificates for Non-Domestic properties. Level 3 and Level 4.
  • Domestic (RdSAP) Energy Performance Certificates for Sale/Rental/ECO.
  • Green Deal Reports - Renewable Heat Incentive (RHI), Green Deal Home Improvement Fund (GDHIF).
  • ECO Assessments for Cavity and Loft Insulation.
  • Hiscox Pi Insurance of £1 million; PL Insurance of £5 million.

SAP Calculations
BC Compliance

SAP Calculations, Part L1a and Part L1b Building Control Compliance Reports, PEA's and New Build EPC's...read more

Commercial EPC

Commercial Energy Performance Certificate (EPC) and SBEM Calculations for sale or rental.

Domestic EPC

Domestic Energy Performance Certificates (EPC) for sale/rental or ECO. Prices from £45.00

Cavity Wall Insulation

Free ECO Assessments for Cavity Wall and Loft Insulation.

Areas Covered

Southport - Birkdale - Churchtown - Ainsdale - Banks - Tarleton - Formby - Hightown - Scarisbrick - Ormskirk - Rufford - Burscough - Maghull - Melling - Kirkby - Crosby - Waterloo - Seaforth - Litherland - Bootle - Aintree - Huyton - St Helens - Liverpool - Merseyside - West Lancs 

EPC Pricing

EPC Prices Start at £45 for 1 Bedroom Flats
£50 for 2 Bedrooms to 4 Bedrooms
£55 for 5 Bedrooms and over
Floor-plans start from £30

No VAT - No upfront payment - Pay on the day