✓Construction QA
Clerk of Works Inspection Report
Rear extension & loft conversion · 14 Example Road, South London
Report CoW-06
Visit 6 · hold point
13 Mar 2026
Visit 6 · hold point
13 Mar 2026
SAMPLE REPORT · Fictional project, names, dates and results for illustration only
1. Project details
| Client | Private homeowner (name withheld) |
|---|---|
| Contractor | [Main contractor] |
| Contract | JCT Minor Works 2016 · £180,000 |
| Programme | Week 6 of 16 · 2 days behind (weather) |
| Visit type | Called-in inspection at hold point (before closing cavities and loft floor) |
| Visit date | Fri 13 Mar 2026 · 2.5 hours on site |
| Inspected by | Peter Mindaugas Kvilis MCIOB |
2. Progress summary
Extension: blockwork to wall plate complete; steel beam installed over rear opening. Loft: dormer framing complete, floor joists 70% fixed. Drainage connected and CCTV survey received.
9Items inspected
7Accepted
2Observations
0Rejected
3. Works inspected
| # | Element | Location | Checked against | Result |
|---|---|---|---|---|
| 1 | Steel beam bearings & padstones | Rear opening | Eng. dwg S-02 rev B | Accepted |
| 2 | Cavity wall ties, spacing | Extension flank wall | Spec 4.3 / NHBC 6.1 | Accepted |
| 3 | Cavity tray & weep vents over opening | Rear elevation | Detail D-07 | Observation |
| 4 | DPC continuity | Extension walls | Spec 4.1 | Accepted |
| 5 | Insulation boards, joints taped | Extension floor | Spec 6.2 | Accepted |
| 6 | Dormer framing, fixings | Loft | Eng. dwg S-05 rev A | Accepted |
| 7 | Floor joist hangers | Loft | Eng. dwg S-05 rev A | Observation |
| 8 | Drainage CCTV survey | Rear garden | Building Control cond. 3 | Accepted |
| 9 | Materials on site (blocks, insulation) | Site storage | Approved schedule | Accepted |
4. Observations & actions
| Ref | Observation | Action required | By | Due |
|---|---|---|---|---|
| OB-11 | Cavity tray stop-ends missing at both ends of rear opening. | Fit stop-ends before next lift of brickwork. | Contractor | 17 Mar |
| OB-12 | 3 no. joist hangers with incomplete nailing (gable side). | Complete nailing to manufacturer’s pattern; re-inspect. | Contractor | 17 Mar |
5. Photographic record
Photo 1
Steel beam on padstone, rear opening
Photo 2
Cavity tray, stop-end missing (OB-11)
Photo 3
Loft joist hanger nailing (OB-12)
6. Site conditions
| Weather | Dry, 9°C |
|---|---|
| Labour on site | 4 (bricklayers 2, carpenters 2) |
| H&S note | Scaffold tag in date; loft edge protection in place |
7. Next hold points (call us in when ready)
| Hold point | Trigger | Typical visit |
|---|---|---|
| Close-out OB-11 / OB-12 | Before next brickwork lift | Combined with next visit |
| Roof deck & vapour control layer | Before roof covering | 1–2 hours |
| First-fix electrics & insulation in loft | Before plasterboard | 2 hours |
| Pre-handover snagging | Practical completion | Half day |
Prepared byPeter Mindaugas Kvilis MCIOB
Clerk of Works
Clerk of Works
Distributed toClient · Contractor · Architect
Next visitWhen contractor confirms roof deck ready
Construction QA, a trading name of Sapper Ltd · Company no. 09462720 · info@constructionqa.co.uk · 07468 944 222
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