EPC & Retrofit Services Overview
A complete range of EPC, Retrofit (PAS 2035) and property assessment services for homeowners, landlords, agents, developers and retrofit teams. From quick EPCs to full whole‑house retrofit assessments, we provide accurate data, compliant reporting and fast turnaround across Essex and London.
Accurate data collection and compliant reporting for all property types
Trusted by homeowners, landlords, agents, developers and coordinators
Fast turnaround across Essex and London with reliable appointment availability
Trusted & Accredited
Expert Property Assessments
Comprehensive energy and measurement solutions for sales, lettings, and compliance across Essex and London.
EPC ASSESSOR SERVICES
Energy Performance Certificates for sales, lettings and compliance, delivered by an Elmhurst Energy accredited domestic energy assessor.
Domestic EPCs are now required whenever a property is sold or rented. AssessPlus provides fast, accurate and detailed EPC assessments across Brentwood, Hutton, Romford, Chelmsford, Basildon, Southend, Essex and London.
Our EPC services include:
- Domestic EPCs
- Post Survey Advice
- RdSAP10 Surveys
- Landlord Portfolio EPCs
- Fast 24h Certificates
Whether you’re preparing a property for market or managing a rental portfolio, we deliver clear, compliant EPCs with same‑day certificates available.
RETROFIT SERVICES
PAS 2035‑compliant assessments for retrofit coordinators, installers, local authorities and homeowners improving the energy efficiency of domestic properties.
Retrofit assessments provide the foundations for safe, compliant energy‑efficiency upgrades. As accredited, qualified PAS 2035 assessors, we support local projects across Essex and London with accurate, evidence‑based reporting..
Our Retrofit services include:
- Retrofit Assessment (RA)
- Occupancy Assessment (OA)
- Ventilation Assessment (VA)
- Retrofit Design Support
- Pre‑ and Post‑Works Surveys
We work closely with Retrofit Coordinators and installers to ensure every project meets PAS 2035 standards and delivers measurable improvements.
PROPERTY DATA & MEASUREMENT
Professional property data collection for estate agents, landlords and developers, using accurate digital measurement and LiDAR technology.
Our services provide the foundation for accurate, compliant property marketing and planning. Using advanced digital tools and precise on-site surveying, we support agents and landlords across Essex and London with reliable, detail-focused reporting
Our property data services include:
- Floor Plans
- LiDAR Measurement
- Property Photography
- Inventory & Check‑In Reports
- Compliance Data Collection
Ideal for agents preparing listings, landlords managing portfolios and developers requiring accurate measurement data for developing projects.
Who We Work With
Homeowners
EPCs, retrofit advice, improvement planning
Landlords
Portfolio EPCs, MEES compliance and property data
Estate Agents
EPCs, floor plans, photography
Retrofit Coordinators
PAS 2035 assessments and reports
ventilation & pre-works surveys
Installers
SAP calculations, new-build EPCs, data collection
Developers
Why Choose AssessPlus
A trusted, accredited assessment partner for residential and retrofit projects.
Elmhurst & ECMK Accredited
PAS 2035 Qualified
Fully Insured & DBS Checked
Fast Turnaround Times
Local Essex & London Coverage
Digital Reports Delivered Same Day
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
Our Process
1 - Book Your Appointment
Choose your service and preferred date.
2 - We Visit the Property
A professional, accredited assessor attends your property.
3 - Assessment Completed
EPC, Retrofit or Property Data collected accurately and efficiently
4 - Receive Your Report
Digital reports delivered same day in most cases.
5 - Support & Next Steps
Guidance on compliance, improvements and project requirements.
FAQs about EPCs & Retrofit
How long does an EPC take?
An EPC visit usually takes 30–60 minutes for a typical house or flat, depending on size and complexity.
How long is an EPC valid for?
An EPC is valid for 10 years, unless you make major energy-related improvements and choose to update it sooner.
Do I need an EPC to sell my home?
Yes. In most cases, an EPC is legally required when selling or letting a residential property in the UK.
How quickly can I get my certificate?
In most cases, we upload and send your EPC digitally the same day as your appointment.
What is PAS 2035?
PAS 2035 is the UK standard for managing domestic retrofit projects, ensuring improvements are designed and installed in a safe, effective way.
What does a Retrofit Assessment include?
A Retrofit Assessment typically covers the property survey, occupancy and ventilation assessments, and evidence gathering to support a PAS 2035 retrofit plan.
Who are Retrofit Assessments for?
They’re designed for retrofit coordinators, installers, local authorities and landlords planning energy efficiency upgrades.
What areas do you cover?
We cover Brentwood, Romford, Essex and London, with a focus on local homes and landlords in these areas.
Do you provide floor plans and property data for agents?
Yes. We offer floor plans, LiDAR-based measurement and property data collection tailored for estate and letting agents.
Can you work across a landlord’s whole portfolio?
Yes. We regularly work with landlords and agents on multi-property portfolios, coordinating EPCs, retrofit assessments and floor plans across several addresses.