Template

Post Extraction and Cavity Wall Survey Checklist

by Vinnie Stokes, from the Community

10+

This template supports post extraction audits and cavity wall survey work for residential and commercial buildings. It captures address and tenure details, property type, age, and floor construction, then assesses exterior finishes and structural condition. It verifies heating appliances, flues, chimneys, ventilation, and safety monitors, and records internal inspections for damp, mould, and condensation. For cavity wall insulation, it documents scheme type, materials, vents, adjoining properties, and requirements under PAS 2035. It includes elevation photos, DPC measurements, cavity depth checks, borescope evidence, dynamic risk assessment, and installation checks to confirm readiness for reinstallation and compliance.

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Confirm accountability and compliance with a digital log

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This community page makes available free workplace checklists and templates created by other users within the SafetyCulture community. SafetyCulture has re-published this content and where possible, has credited the original author. SafetyCulture has not verified the accuracy, reliability or suitability of any community content. You agree that your use of any of this content is in accordance with SafetyCulture’s Terms and Conditions.

Template
Post Extraction and Cavity Wall Survey PAS 2035
Use this checklist to survey cavity walls after insulation extraction and assess suitability for reinstallation in line with PAS 2035. Capture site and property details, tenure and construction, external finishes and structural condition. Record heating appliances, flue and chimney locations, and verify alarms. Document access and equipment needs. Perform post extraction inspections with borescope images, check wall ties, cavity cleanliness, vents, and finish repairs. Include internal checks for damp and condensation, ventilation requirements, and loft inspection. Measure cavity depths by elevation and log photos. Complete a dynamic risk assessment and client declaration. Finalize with installation checks and signatures.
by Vinnie Stokes, from the Community
Downloads: 20+
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Template
Post Extraction and Cavity Wall Survey
This template supports post extraction and cavity wall surveys for residential and commercial properties. Inspect structural and external conditions, finishes, guttering, and access. Capture heating type, flue and chimney details, and verify safety monitors. Conduct boroscope checks, assess wall ties, confirm insulation removal, fit cavity brushes, and make good extraction holes. Check and document vents, trickle vents, and ventilation requirements per PAS 2035. Perform internal inspections for damp, condensation, and loft ingress, with photos and measurements of cavity depths across elevations. Includes dynamic risk assessment and installation checks to ensure suitability for reinstallation and occupant safety.
by William Wright, from the Community
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Template
PAS 2035-19 Cavity Wall Survey (July 2023)
This PAS 2035-19 cavity wall survey template helps assess a property’s suitability for cavity wall insulation. It guides surveyors to record building age and type, heating systems, flues and combustion vents, and to document ventilation, background vents, and extraction fans. Capture cavity areas, average cavity depth, omitted sections, adjoining property status, and evidence via photos, borescope images, and DPC checks across each elevation. The checklist includes site access needs, scaffolding or ladder requirements, and a dynamic risk assessment covering tools, electricity, working at height, and site conditions. It supports compliance questions aligned to PAS 2035 and building regulations, and provides sections for installation checks. An optional loft insulation survey covers insulation depth, materials, services, and safety considerations.
by Mark Griffiths, from the Community
Downloads: 10+
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Template
Cavity Wall and Loft Insulation Survey PAS 2035
This PAS 2035 survey template guides assessors through cavity wall and loft insulation checks for domestic properties. Record address and tenure, building age and type, heating systems, flues and secondary heat sources. Document external condition, structural issues and ventilation, capture measurements and photos, and note damp, mould and condensation observations. Include cavity depth, vents and omissions, boroscope and DPC evidence, plus funding related ventilation questions. Use risk assessments for cavity and loft works and complete installation checks, materials used and signatures to verify compliant insulation.
by Vinnie Stokes, from the Community
Downloads: 20+
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Post Extraction and Cavity Wall Survey Checklist

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