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Building Control Report

22 Maple Road, Leeds LS6 2AB

Work type: Loft conversion • LPA: Leeds City Council

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Approved Documents for This Project

Part	Title	What to address
A	Structure	New floor joists to carry habitable loads. Ridge beam if hip-to-gable. Temporary propping calculations required.
B1	Fire Safety	Protected escape route from new storey. Fire doors on each landing. 30-minute fire resistance to floor/ceiling. Interlinked alarms.
F	Ventilation	Habitable rooms need openable windows ≥ 1/20 floor area. Roof space ventilation above insulation.
K	Protection from Falling	Stair pitch max 42°. Min 2m headroom at centre. Handrail both sides if >1m wide. Balustrade min 900mm.
L1B	Conservation of Energy	Insulation between and above rafters. U-value 0.16 W/m²K. Cold bridge at eaves critical.

Recommended Route

✓ Strongly recommended

Full Plans

Loft conversions involve structural changes and a new fire escape route — both require early inspector sign-off. Full Plans allows the inspector to review and approve your drawings before work begins, significantly reducing the risk of costly remedial work.

Inspection Stage Timeline

Commencement notice

Structural frame / floor joists

Fire protection (boarding, fire doors, alarms)

Insulation

Staircase (before boarding)

Final inspection

Local Authority Building Control Contact

Leeds City Council Building Control

Telephone

0113 222 4444

buildingcontrol@leeds.gov.uk

Website

www.leeds.gov.uk/buildingcontrol

Private inspector alternatives: LABC / NHBC

Compliance Checklist

Structural engineer appointed and calculations agreed

Full Plans application submitted and approved

Commencement notice given (at least 2 days before work starts)

Floor joist inspection booked (before boarding)

Fire doors and alarm system installed per Part B1

Insulation installed per Part L1B specification

Staircase inspected and approved

Final inspection passed — completion certificate requested

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