About RetrofitReady : DEA
RetrofitReady: DEA is a focused study and field-support app for Domestic Energy Assessor candidates and working assessors. Use it to prepare for DEA assessment topics, practise realistic questions, check technical...
RetrofitReady: DEA is a focused study and field-support app for Domestic Energy Assessor candidates and working assessors.
Use it to prepare for DEA assessment topics, practise realistic questions, check technical figures, and keep common RdSAP, EPC and retrofit references close to hand.
Exam Prep
- 360 DEA revision questions across the full question bank
- Topic practice for safe and professional assessment, preparing for domestic energy assessments, undertaking assessments, and producing and explaining EPCs
- Supplement question sets for deeper practice
- Full mock test covering the complete syllabus
- Multiple-answer support, review tools, sorted question review, and voice-over support
Calculators
- Ventilation calculator for Approved Document F and existing dwellings
- U-value calculator using BS EN ISO 6946 style build-ups
- Insulation thickness calculator for target U-values
- Heat loss / HTC calculator for fabric and ventilation performance
- Condensation risk calculator using Glaser / BS EN ISO 13788 principles
- Cost, carbon and payback calculator for fuel savings and retrofit measures
- PDF/share reports from calculator results where supported
Quick Reference
- Searchable RdSAP and EPC glossary
- EPC bands and SAP score ranges
- RdSAP discipline, defaults and evidence reminders
- EPC issue and QA checks
- Ventilation rates and retrofit triggers
- U-value targets, fuel/carbon factors, thermal conductivity and building pathology notes
DEA Toolbox
- Site survey checklist for property data capture and audit-ready notes
- Ventilation assessment checklist for inspection evidence
- Assessment register for survey, lodgement and EPC job tracking
- Accreditation and insurance register
- CPD log with hours, reminders and PDF export
- Exam countdown for assessment planning
Studying for your Domestic Energy Assessor qualification? RetrofitReady: DEA is an independent study companion and on-site toolkit for trainee and working domestic energy assessors.
This app is NOT affiliated with, endorsed by, approved by, or acting on behalf of any government entity, scheme provider, certification body, or awarding organisation. It does not provide official energy certificates, official surveys, or government services.
For current UK energy-performance standards and methodology rules regarding Domestic Energy Assessments, consult these primary sources:
• UK Government Energy Performance Certificates (EPC) guidance: https://www.gov.uk/buy-sell-your-home/energy-performance-certificates
• Standard Assessment Procedure (SAP/RdSAP) methodology: https://www.gov.uk/guidance/standard-assessment-procedure
• Building Regulations Approved Documents (Part L & F): https://www.gov.uk/government/collections/approved-documents
Previous Versions
Here you can find the changelog of RetrofitReady : DEA since it was posted on our website on 2013-08-21 23:36:53.
The latest version is and it was updated on 2026-10-16 03:41:49. See below the changes in each version.
RetrofitReady : DEA version
Updated At: 2026-10-02
Changes: • Practice tests now pick up where you left off, even if your phone closes the app in the background.
• Subscribers now see MY PLAN instead of UPGRADE.
• Removed the duplicate arrows on the review screen.
• More Apps icons now load offline.
• Bug fixes and improvements.
RetrofitReady : DEA version
Updated At: 2026-09-22
Changes: • Tablets: the home screen now fits the screen, so every topic is visible without scrolling.
• Clearer scrolling in the topics list.
• Read aloud is on by default.
• Bug fixes and improvements.
RetrofitReady : DEA version
Updated At: 2026-09-11
Changes: Fixes in this build:
• Sharing your CPD log no longer crashes the app. Export PDF now sits below your entries and appears once you have logged something.
• CPD settings are now also in the main Settings screen.
• Larger default text for questions and answers. Settings > Text Size now also resizes flash cards.
• Bug fixes and improvements.
RetrofitReady : DEA version
Updated At: 2026-08-25
Changes: New feature: Voice Over
RetrofitReady : DEA version
Updated At: 2026-08-03
Changes: Bug fixes.
• Quick Reference: long page titles were being cut off at the top of the screen. They now display in full, wrapping onto a second line where needed.
Thanks for using Retrofit DEA. Works fully offline.
RetrofitReady : DEA version 3.8
Updated At: 2015-09-15
Changes: Code Optimization.
RetrofitReady : DEA version 3.6
Updated At: 2013-05-15
Changes: Several fixes and updates
Disclaimer
Official Google Play Link
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