Trusted & Accredited Assessments
Fully accredited Domestic Energy Assessor (DEA) and Retrofit Assessor (RA) certified through Elmhurst, ECMK and TrustMark.
Flexible booking
Fast Appointments
TrustMark Accredited
Accredited Domestic EPC & Retrofit Assessments London & Essex
Fast, accredited EPC & Retrofit Assessments London & Essex carried out by qualified Elmhurst and ECMK assessors.
Explore Our EPC & Retrofit Services
We provide accredited EPC and Retrofit assessments for all domestic property types — houses, flats, HMOs, and landlord portfolios.
Whether you’re selling, renting, or upgrading your home, we deliver accurate, compliant reports across London, Essex, and Brentwood.
Accredited EPCs (RdSAP10) suitable for sales, lettings and remortgaging - Clear, compliant certificates delivered digitally - Fast, reliable appointments across Essex, London and surrounding areas - Local expertise in Brentwood, Romford, Chelmsford, Billericay, Basildon and more
Why Homeowners & Landlords Choose AssessPlus
How Our Assessment Process Works
Book Your Assessment
Choose a time that suits you — we offer flexible daytime and evening slots.
On‑Site Survey
Detailed property survey using digital measurement tools and industry‑approved methods.
Your Report Delivered
You receive your report quickly, along with clear guidance on next steps.
Transparent Pricing
Energy Performance Certificates
From £75
Clear, fixed pricing with no hidden fees. Ideal for homeowners, landlords, and agents.
PAS 2035 Retrofit Assessments
From £195
Comprehensive Retrofit Assessments tailored to your project requirements.
Landlord EPC + Retrofit Bundle's
From £265
Discounted combined packages for landlords managing multiple properties.
Client Reviews & Testimonials
“Jay was professional, friendly, and incredibly thorough. EPC delivered the same day.”
— Landlord, Brentwood
“The retrofit assessment helped us plan our insulation upgrades with confidence.”
— Homeowner, Essex
Areas We Cover
We provide domestic EPC assessments across Brentwood, Essex and parts of East London.
- Brentwood
- Romford
- Chelmsford
- Basildon
- Havering
- East London
- Surrounding Essex areas
We operate across: Brentwood, Chelmsford, Billericay, Basildon, Wickford, Southend, Rayleigh, Romford, Upminster, Hornchurch, Grays, Tilbury, Thurrock, and surrounding Essex & London areas.
Book Your EPC or Retrofit Assessment
Book your EPC or retrofit assessment now, or request a callback to discuss your property and requirements.
Based in Brentwood, serving London & Essex