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371 guides across 20 house files. Each one opens with an energy record: the file and stage, the question it answers, the evidence level and the first check. Page 1 of 10, guides 1 to 41.
File 08 - Windows, doors and ventilation A Draught-Proofing Checklist A room-by-room checklist for draught-proofing: what to inspect, what to seal, what not to seal, and how to test the result. Educational only, not advice for a particular home. File 06 - Heating and heat pumps A Heat Pump and an Existing Boiler Keeping an existing boiler alongside a new heat pump: when it is a sensible bridge, how the two share work, and what to decide about the boiler later. Educational only, not advice for a particular home. File 06 - Heating and heat pumps A Heat Pump Installation Timeline A realistic timeline from first survey to handover: stages, lead times, inspections and the pauses that protect quality. Educational only, not advice for a particular home. File 01 - Home energy performance foundations A Home Energy Baseline Worksheet A practical worksheet for recording a home's starting point: what to write down, in what order, and how to keep it usable for future comparisons. File 20 - Checks, mistakes and maintenance A Maintenance Calendar for Efficiency A seasonal maintenance calendar for home energy: what to do each season, what to book, and what to record. Educational guidance only, not advice for a specific home. File 10 - Renovation passports A Passport After Each Stage What happens to a passport after a stage is finished: recording, reassessment, revising later stages and learning from measured results. Educational only, not advice for a particular home. File 10 - Renovation passports A Passport for a Single Home What a passport looks like for one house: survey, household pattern, stage order and updates that fit a single owner journey. Educational only, not advice for a particular home. File 10 - Renovation passports A Passport vs an EPC How a renovation passport differs from an EPC: snapshot versus roadmap, rating versus stages, and when each document is the right tool. Educational only, not advice for a particular home. File 09 - Whole-house retrofit planning A Retrofit Aftercare Plan What a retrofit aftercare plan should cover: maintenance, monitoring, warranties, defect handling and seasonal checks after work ends. Educational only, not advice for a particular home. File 09 - Whole-house retrofit planning A Retrofit Contractor Brief What to put in a contractor brief so quotes are comparable: scope, materials, sequencing, disruption, guarantees and handover. Educational only, not advice for a particular home. File 03 - Home energy audits After the Audit: An Action Plan How to turn an audit report into a sequenced action plan with budgets, timings, design steps and checks, so findings become finished work. File 16 - Installers and professionals Aftercare and Handover What a proper handover should include, and how aftercare, warranties and snagging should work after the installers leave. Educational guidance only, not advice for a specific home. File 03 - Home energy audits Airtightness and Blower Door Tests How blower door tests measure air leakage, what the result means, how to find leaks, and what a good or poor result implies for retrofit. File 20 - Checks, mistakes and maintenance An Annual Home Energy Check A once-a-year home energy check: what to look at, what to record, and what to book a professional for. Educational guidance only, not advice for a specific home. File 15 - Assessors, certificates and evidence An Assessor Code of Conduct What a code of conduct requires of energy assessors, in competence, honesty, independence and care, and how clients can use it. File 15 - Assessors, certificates and evidence An Assessor Complaints Process How an assessor complaints process works step by step, what to include, and what outcomes to expect, in general terms. File 15 - Assessors, certificates and evidence An Assessor Visit: What to Expect What happens during an assessor visit, how to prepare, how long it takes, and what to do after the assessor leaves. File 03 - Home energy audits An Audit vs a Survey How an energy audit differs from a building survey, a condition survey, and other property surveys, and when each is needed. File 03 - Home energy audits An Audit vs an EPC Assessment The practical differences between an audit and an EPC assessment in depth, purpose, output and cost, and how to choose which one you need. File 01 - Home energy performance foundations An Energy Performance Glossary A plain-language glossary of energy performance terms, each explained in context, for readers who meet jargon on certificates, audits and quotes. File 02 - Energy Performance Certificates An EPC vs Your Actual Energy Bills Why certificate estimates and real bills diverge, which differences are normal, and how to use both documents together without mistaking one for the other. File 16 - Installers and professionals An Installer Brief: What to Include The contents of a clear installer brief: the home, the measure, the constraints and the evidence you expect back. Educational guidance only, not advice for a specific home. File 15 - Assessors, certificates and evidence Assessor Continuing Development Why assessors must keep learning, what continuing development covers, and how clients can check that an assessor is current. File 15 - Assessors, certificates and evidence Assessor Data Handling How assessors should handle personal and property data, what clients should expect, and how data protection shapes assessment practice. File 15 - Assessors, certificates and evidence Assessor Insurance, in General What insurance means for energy assessors and their clients, what kinds exist in general, and what to check before engaging an assessor. File 15 - Assessors, certificates and evidence Assessor Qualifications and Accreditation What qualifications energy assessors hold, how accreditation schemes oversee them, and how to verify a qualification for a specific job. File 15 - Assessors, certificates and evidence Assessor Tools and Software What tools and software assessors use, from measuring devices to calculation software, and how tool quality affects certificate accuracy. File 15 - Assessors, certificates and evidence Assessor vs Installer Roles How assessor and installer roles differ, why keeping them distinct protects owners, and how the two roles should work together on a project. File 03 - Home energy audits Audit Costs and What Is Included What affects audit cost, what should be included for the price, what extras to expect, and how to compare audit quotes fairly. File 03 - Home energy audits Audit Data Privacy, in General What personal and home data an audit collects, how it may be used, and what a householder should check about storage, sharing and retention, in general terms. File 03 - Home energy audits Audit Follow-Up Visits What follow-up visits after an audit are for, when they are worthwhile, what they should check, and how they differ from a new audit. File 03 - Home energy audits Audit Priorities, Ranked How auditors rank priorities, what ranking criteria matter most, and how a householder can sanity-check a ranking before spending. File 03 - Home energy audits Audit Report Action Priorities How to extract action priorities from an audit report, distinguish urgent, high-value and deferred actions, and avoid treating every recommendation as equally urgent. File 03 - Home energy audits Audit Seasonal Timing When in the year to commission an audit, how season affects what an auditor can test, and how to time an audit for the decisions it must support. File 03 - Home energy audits Audit Tools and Equipment The instruments auditors use, what each one measures, and how to judge whether a tool's result is meaningful or merely colourful. File 03 - Home energy audits Audits for Flats How audits differ for flats: shared fabric, communal heating, limited control, neighbours, and access constraints that change what can be diagnosed and done. File 03 - Home energy audits Audits for Heat Pump Homes How audits examine air source and ground source heat pump homes: flow temperatures, emitter suitability, controls, and why a heat pump audit differs from a boiler audit. File 03 - Home energy audits Audits for Heating Systems How an audit examines boilers, heat pumps, radiators, controls and distribution, and what heating findings should prompt design work rather than a like-for-like swap. File 03 - Home energy audits Audits for Listed Homes How audits differ for listed buildings: consent, heritage significance, traditional materials, and measures that must be adapted or rejected for heritage reasons. File 03 - Home energy audits Audits for Multi-Occupancy Homes How audits differ for houses in multiple occupation, shared houses and multi-occupancy buildings: shared systems, varied use, safety, and recommendations that must work for all occupants. File 03 - Home energy audits Audits for New Builds Why a new home might still need an audit, what a new-build audit checks, and how it differs from an audit of an older home.