NHBRC Inspection Stages: What Happens at Each Stage

A failed NHBRC inspection stops the next trade, delays your payment certificate and can put your enrolments at risk. Every new home enrolled with the National Home Builders Registration Council (NHBRC) is inspected at key stages of construction. The checks themselves are predictable. Failures usually come from missing evidence, the wrong drawing on site or a request made too late.

This guide explains the four NHBRC inspection stages, who checks what, how to request a visit and what happens when work fails. It gives a practical checklist for each stage, including the wall plate and roof checks that sit inside the superstructure stage. For registration, enrolment and the warranty, see our guide to NHBRC requirements in South Africa.

What Are the NHBRC Inspection Stages?

The NHBRC lists four key inspection stages for an enrolled home: sub-structure (foundation), superstructure, practical completion and stormwater. Inspectors visit at these stages to check the work against the NHBRC Technical Requirements and the approved plans. On site, most builders plan the superstructure check around two moments: wall plate level and the roof structure.

Stage	When it happens	What the inspector focuses on	What to have on file
1. Sub-structure (foundation)	After excavation and before the pour or before the work is covered	Trench size, founding conditions, reinforcement, levels	Site class or geotechnical report, engineer’s foundation design, photos
2. Superstructure	Walls to wall plate level, then roof structure before covering	Walls, openings, lintels, damp-proofing, wall plate, trusses, bracing, fixings	Approved plans, roof truss design and certificate, photos
3. Practical completion	Home is complete enough to occupy	Overall compliance with plans and Technical Requirements, roof covering, services	Competent person’s completion certificate (Appendix D1), electrical CoC
4. Stormwater	Around completion, once site works are done	Water drains away from the home without erosion or flooding	Site drainage layout, photos of falls and channels

These are the stages the NHBRC uses. Your engineer or competent person may want extra checks, for example on a raft foundation or on a double-storey slab. Add those to your programme as well.

Who Checks the Work: Inspector or Competent Person?

The NHBRC inspector does spot checks, while the competent person you appoint is responsible for quality control and certification. The NHBRC states clearly that its inspectors are not on site full time and do not manage quality for the homeowner. That role sits with the builder and the competent person, usually a registered engineer.

In practice this means:

You appoint a competent person for the home and record the appointment.
The competent person inspects during construction and signs off the design elements, such as foundations and the roof.
At completion, the competent person issues the Appendix D1 form, a completion certificate saying the work was inspected and matches the design.
The NHBRC inspector asks for the D1 form, along with foundation and roof certificates, to confirm compliance.

If the engineer’s certificates are late, the inspection is effectively late too. Chase them as part of each stage, not at the end.

How Do You Request an NHBRC Inspection?

You notify the NHBRC inspectorate when a stage is ready, and the inspector confirms a date for the site visit. According to the NHBRC, the visit should take place within five working days of the request. For work that complies, the inspector then plans the next visit as part of their regular round, known as the “tour of duty”.

Five working days is a long time for a site team to wait. A few habits keep the programme moving:

Request from the programme. Put each stage in your schedule as a milestone, with the request date a few days before the work is ready.
Give clear access details. Unit number, erf number, site contact and gate access.
Have one responsible person on site who can walk the inspector through the work.
Keep other work going. Use the wait for work that does not cover the area under inspection.

Before Any Inspection: Universal Preparation Checklist

Whatever the stage, the same basics decide whether an inspection goes smoothly. Run this short checklist the day before every visit. It takes ten minutes and removes the most common reasons for a wasted trip, which are the wrong drawing, no access and no proof of work that is already covered.

Current drawing revision on site, with superseded drawings removed
Enrolment certificate for the unit available
Safe access to the work, with excavations and scaffolding secured
A named person on site who knows the unit
Dated photos of anything already covered, filed against the unit in your site diary
Open items from the last visit closed out in writing
Engineer’s certificates for the stage requested or in hand

Stage 1: Foundation (Sub-structure) Checklist

The foundation stage checks that the home will stand on ground and footings that match the design. This is the stage you cannot fix cheaply later. Once concrete is poured or backfill is placed, the only proof of what is underneath is your records and the engineer’s sign-off, so take photos before anything is covered.

Setting out and excavation

Building lines and levels match the approved site plan
Trench width and depth match the engineer’s design for the site class
Trench bottoms are clean, firm and free of standing water
Diagonals checked so the footprint is square

Founding conditions

Site class or geotechnical report on file where the site needs one
Any special founding measures (for example on expansive clay) built as designed
Engineer’s foundation inspection done before the pour

Reinforcement and concrete

Reinforcement placed as per the structural drawings, with spacers for cover
Concrete delivery notes or batching records kept
Service sleeves and penetrations in place before the pour

Evidence to capture: photos of open trenches with a tape for scale, reinforcement before the pour and the engineer’s sign-off, all dated and filed against the unit.

Stage 2: Superstructure Checklist (Wall Plate and Roof)

The superstructure stage covers the walls up to wall plate level and the roof structure before it is covered. Most builders plan two checks here: one at wall plate level and one once the roof trusses and bracing are in. Both must be ready before roof sheets or tiles hide the structure.

Wall plate level checklist

Walls built to the heights, positions and thicknesses on the plans
Walls plumb, level and square
Brickwork or blockwork with full, consistent mortar joints
Damp-proof course continuous at the level shown on the drawings
Window and door openings in the right positions, with lintels as specified
Wall plate level and anchored to the walls as designed
Brickforce and wall ties installed where the design calls for them

Roof structure checklist

Trusses or rafters installed to the truss layout and spacing on the design
Trusses fixed to the wall plate with the specified hold-downs and anchors
Bracing complete and fixed as per the truss design
Roof pitch and overhangs as per the plans
Truss supplier or engineer’s roof certificate requested

Evidence to capture: photos of lintels and damp-proofing before plastering, wall plate anchors, truss hold-downs and bracing before the roof covering goes on.

Running several units at different stages? Wakha’s autocompliance and NHBRC tracker shows each unit’s inspection stage, sends alerts before requests fall due and keeps site diary photos with the right unit: see a product demo.

Stage 3: Practical Completion Checklist

Practical completion checks that the finished home complies with the plans and the Technical Requirements and is fit to live in. This is also the point where your paperwork is tested. The inspector will look for the competent person’s Appendix D1 completion certificate and the foundation and roof certificates, so missing documents can fail a home that is well built.

The building

Home matches the approved plans and specifications
Roof covering complete and weathertight, with flashings in place
Windows and doors installed and working
No visible structural cracking or movement

Services

Electrical installation complete, with an electrical certificate of compliance (CoC)
Plumbing and drainage complete, tested and free of leaks
Water, sanitation and electricity connected and working

Documents

Appendix D1 completion certificate from the competent person
Foundation and roof certificates
Enrolment certificate and approved plans

Practical completion is not the same as your handover to the buyer. Use a separate snag list and a construction project handover checklist for the finishing items your buyer will check.

Stage 4: Stormwater and Site Drainage Checklist

The stormwater check confirms that water drains away from the home without causing erosion or flooding. The NHBRC treats this as a stage on its own, because poor drainage damages foundations and lets water into the home. It is often left until the last week, when landscaping and paving are rushed.

Ground falls away from the home on all sides
Paving and hard surfaces slope away from the walls
Gutters and downpipes discharge into channels or soakaways, not against the foundation
Channels and outlets lead to a safe discharge point
No ponding next to the building after rain
On sloping sites, cut and fill banks are protected against erosion

Evidence to capture: photos of falls, channels and outlets, ideally after rain, and the site drainage layout.

What Happens If You Fail an NHBRC Inspection?

If work does not comply, the NHBRC issues a notice of non-compliance and you must fix the work and confirm it in writing by the deadline. Inspectors score each item as compliant, meeting the minimum, non-compliant, not visible or not applicable. A non-compliant score triggers the notice, and the NHBRC may come back to inspect the repair.

The process, as the NHBRC describes it:

Notice of non-compliance: the inspector lists the items that failed.
Rectification: you fix the work and confirm it in writing as soon as possible, and no later than the date in the notice.
Follow-up: the NHBRC may inspect the rectified work.
Escalation: if you do not comply or confirm in writing within thirty days, the NHBRC may take disciplinary action.

Disciplinary action can include suspending your enrolments, suspending or cancelling the enrolment of the affected homes and telling the homeowner or the bond lender. That last step can stop a transfer. If you disagree with a finding, raise it with the inspectorate in writing. Section 22 of the Housing Consumers Protection Measures Act also provides for review and arbitration of NHBRC decisions.

Why inspections fail

Reason	How to prevent it
Work built off an old drawing	Control revisions and remove old sets from site
No proof of covered work	Photograph before you pour, plaster or cover
Engineer’s certificates missing	Request them at each stage, not at completion
Request made too late	Request inspections from the programme
Open items from the last visit	Close out every notice in writing

The Bottom Line

NHBRC inspections are four predictable checkpoints, and most failures are preventable with the right drawing, the right certificates and dated photos. Plan each stage as a milestone, request the visit early and keep evidence filed against the unit. The same records protect you later if a warranty claim comes in.

Know the four stages: foundation, superstructure, practical completion and stormwater.
Inside the superstructure stage, prepare for wall plate and roof checks before anything is covered.
Line up the competent person’s certificates before you request the visit.
Close out every non-compliance notice in writing, well inside thirty days.
Keep stage photos for years. The structural warranty runs for 5 years from occupation.

Frequently Asked Questions

What is an NHBRC inspection?

It is a site check by an NHBRC inspector on an enrolled home at a key stage of construction. The inspector checks the work against the approved plans and the NHBRC Technical Requirements. Inspections are spot checks and do not replace your own quality control.

How many NHBRC inspection stages are there?

The NHBRC lists four key stages: sub-structure (foundation), superstructure, practical completion and stormwater. Many builders split the superstructure stage into a wall plate level check and a roof structure check, so they plan more than four inspection milestones per home.

Is there a final NHBRC inspection before handover?

The last NHBRC stages are practical completion and stormwater. The final walk-through before handover is between you and the buyer. Use a snag list and handover checklist for it, and keep the NHBRC documents in the buyer’s handover pack.

How long does it take to get an NHBRC inspection?

The NHBRC says the site visit should happen within five working days of your request. Build that time into your programme and request each inspection a few days before the work is ready.

Can I keep building while I wait for an inspection?

Yes, on work that does not cover the area being inspected. For example, you can set out the next unit while you wait for a foundation check. Do not pour, plaster or roof over work that still needs to be seen.

What is the Appendix D1 form?

It is the completion certificate issued by the competent person, usually an engineer. It confirms that the competent person inspected the work during construction and found it in line with the design. The NHBRC inspector asks for it to confirm compliance.

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