Residential renovation
South London
Considered construction / London homes
Hutch homeowner guides / 20

The Final Handover: Snagging, Certificates and What to Check Before Signing Off

Prepare for renovation handover with a practical checklist for snagging, certificates, operating instructions and outstanding work before final sign-off.

Completed two-storey side extension in Hither Green
From the Hutch project archive / Completed two-storey side extension in Hither Green

A renovation handover should leave you with a usable home, a clear record of outstanding work and the information needed to look after what has been built. It is more than a final walk through rooms that appear finished.

Start preparing for handover before the last week. Ask what inspections, documents and demonstrations are required, who will provide them and how completion is defined in your contract. That makes the final stage easier to manage for everyone.

Arrange a structured walkthrough

Set aside time to inspect the completed work with the appropriate project representative. Use the agreed drawings, specification and any approved changes as the reference, rather than relying on memory.

Work through the property in a consistent order. Check each room and then the external areas affected by the project. Bring a camera and a simple numbered list so observations can be recorded clearly.

Allow suitable lighting and access. A room filled with boxes or covered by protective material is harder to inspect. Where something cannot yet be checked, record it as an open item rather than assuming it is satisfactory.

Distinguish different types of outstanding work

A minor decorative snag is different from incomplete work, a functional failure or a safety concern. Record the issue accurately and ask the appropriate professional to assess anything beyond a straightforward finish adjustment.

Do not describe a missing inspection or unresolved technical problem as a small snag simply to close the project. Equally, avoid treating every minor mark as evidence that the entire build has failed.

The practical goal is a list with clear priorities, responsibilities and completion dates. If the contract provides for formal certification or professional assessment, follow that process rather than substituting an informal agreement on site.

Check everyday operation

Open and close doors, windows, cupboards and drawers. Look for clashes, sticking, damaged finishes and missing handles or keys. Confirm that the installed items match the agreed specification or recorded substitutions.

Run taps and showers with the relevant person present, and ask for a demonstration of controls and normal operation. Identify visible leaks or drainage concerns for the installer to assess. Do not attempt tests that require professional competence.

Check lighting and ordinary user controls. Confirm which switches operate which circuits and that you understand any timers or smart controls. A working system is more useful when the household knows how to operate it properly.

Review finishes and external areas

Look at decoration, joints, sealant, flooring and the transitions between old and new work. Assess them against the agreed scope and appropriate standards, with professional advice where necessary.

Inspect the areas used for access and storage. Check that agreed reinstatement, waste removal and cleaning have been completed. Include paths, garden edges, fences and other external elements if they formed part of the scope.

Record observations with a location and photograph. “Kitchen decoration” is less actionable than identifying the particular wall and issue. Clear descriptions reduce repeat visits and disagreement about what was meant.

Gather the project documents

Ask your project team to identify the documents applicable to the completed works. Depending on the project, these may include building control completion or final certification, relevant electrical documentation, gas or other installation records, commissioning information and product warranties.

Keep planning decisions, conditions, lawful development certificates and party wall documents where relevant. Retain the final drawings and approved changes so the project record describes what was actually built.

Not every renovation produces the same set of certificates. Use a project-specific document schedule and record who is responsible for anything still outstanding. Do not assume a general invoice replaces a required compliance document.

Understand the systems you now own

Request demonstrations of heating controls, ventilation, appliances and any other unfamiliar equipment included in the works. Ask where isolation points are and which tasks are ordinary user maintenance.

Keep manuals and service requirements together. Note any warranty registration deadlines and whether registration has already been completed. Retain receipts or installation records that may be needed for future support.

Ask for appropriate care advice for new finishes. Timber, stone, painted surfaces and other materials may have particular cleaning or maintenance requirements. Using the right method from the outset is easier than repairing avoidable damage later.

Agree the remaining work in writing

A useful snagging record identifies the item, location, agreed action, responsible party and target date. Keep a single current version so completed items are closed and new observations do not disappear into separate messages.

Arrange access for return visits and confirm whether furniture needs to be moved. If an item depends on a replacement product, record the order position and expected next update rather than leaving it as an indefinite promise.

Keep commercial discussions aligned with the contract. Completion, final payment and any retention arrangements should follow the terms you agreed. Obtain appropriate advice if there is a dispute; do not assume a generic checklist creates a right to withhold a particular amount.

Keep an aftercare record

Some issues become apparent only after normal use. Ask how to report concerns, what information to provide and which contact to use for urgent matters. Record the agreed defects or aftercare arrangements and their limits.

Keep photographs, correspondence and service records in the same project folder. If a problem develops, a clear history helps the relevant person understand it and respond.

Read how Hutch works through to handover, or contact Hutch about your renovation. Completion should be a planned part of the project from the outset.

Further guidance

Planning Portal: building control and GOV.UK: building regulations approval. Checked 15 October 2026. The required documentation and completion procedure depend on the works and contract.

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