Everything you need to apply for an LDC.
A full permitted development assessment, property constraints check, and LDC application checklist — tailored to your address and project.
Data sourced from
“The supporting statement was far better than I could have written myself. Saved me £400 vs. a consultant.”
Built for homeowners who want to get it right.
Everything in one report, so you can apply for your Lawful Development Certificate with confidence.
PD Eligibility Assessment
A rule-by-rule check of your project against the GPDO 2015, covering height, depth, materials, and boundary conditions.
LDC Application Checklist
A complete list of what your local planning authority needs for a valid Lawful Development Certificate application.
Property Constraints Report
Conservation area, Article 4 direction, listed building, flood zone, and AONB checks for your specific address.
Planning History Analysis
A summary of past planning applications at your property and what they mean for your project.
Project-Specific Guidance
Tailored advice based on your project type, dimensions, and property designation status.
Delivered by Email
Your full report is sent to your inbox within minutes, ready to share with your architect or builder.
| Option | Cost | Time | What you get |
|---|---|---|---|
| Planning Consultant | £400–£800 | 3–5 days | Full professional service. Worthwhile for complex projects with multiple constraints or disputed PD rights. |
| DIY (without report) | £0 | Hours of research | Navigating GPDO legislation yourself. High risk of errors or missing constraints that affect validity. |
| BILTD — Permitted Development Certificate ReportBest value | £39 | Under 5 minutes | Automated GPDO rules check, supporting statement, constraints report, and application checklist — tailored to your address. |
Full professional service. Worthwhile for complex projects with multiple constraints or disputed PD rights.
Navigating GPDO legislation yourself. High risk of errors or missing constraints that affect validity.
Automated GPDO rules check, supporting statement, constraints report, and application checklist — tailored to your address.
For complex projects involving listed buildings, multiple planning constraints, or contentious issues, we recommend consulting a chartered planning consultant. BILTD reports are a research and preparation tool.
Three steps. Five minutes. Done.
Enter your details
Tell us your address and project type. We look up your property data automatically.
We generate your report
We check every GPDO rule, pull planning history, and assess constraints for your address.
Download your pack
Receive a full Permitted Development Certificate Report by email within minutes of payment.
Your planning journey
You've confirmed your project is permitted development. Now get the formal Certificate of Lawfulness that protects your build.
Common questions
Not ready to buy? Get our free PD Quick-Check Guide
A plain-English walkthrough of the key permitted development rules for extensions, lofts, and outbuildings — straight to your inbox.
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Get your Permitted Development Certificate Report — £39 →Data sourced from