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Start your Part L enquiry

Tell us about your project and we will confirm whether a Section 10.10 assessment is required and provide guidance on fees. We aim to respond to all enquiries within one working day.

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Tell us about your project

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Service Details

Response time

Within one working day

Service area

England and Wales

What to include

To help us respond quickly, please include if available:

Extension type and approximate size

Building Regulations specification

Drawings of proposed extension

Drawings of existing dwelling

Correspondence from Building Control

TPLC Ltd

Specialist highly glazed extension assessments under Building Regulations Part L, Section 10.10. Trusted by homeowners, architects, and builders across the UK.

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Need a Part L compliance report for your glazed extension? We're here to help.

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