The BILTD Ecosystem

One platform for every property process.

From permitted development checks to party wall notices, building control, and beyond. We’re building the tools homeowners need to navigate every stage of a building project.

PD Checker
PD Certificate Report
Property Development Report
Refusal Review & Next Steps
Party Wall Notices
Building Control
EPC & Energy
Title Intelligence
Property Dashboard
5 products liveReports & tools
4 more plannedOn the roadmap
Government dataOS, MHCLG & more
Available now

Tools and reports you can use today.

Every product is built on Ordnance Survey, MHCLG, and local authority data, tailored to your specific property and project.

Free tool

Permitted Development Checker

Check whether your project qualifies as permitted development under the GPDO 2015. Answer a few questions about your property and project, and get an instant assessment of your PD eligibility.

Rule-by-rule assessmentInstant resultTailored to your propertyNo account needed
FreeCheck your project →
Paid report

Permitted Development Certificate Report

Everything you need to apply for a Lawful Development Certificate. A full PD eligibility check, property constraints analysis, planning history, and an LDC application checklist.

PD eligibility checkConstraints analysisPlanning historyLDC checklist
£39Get your pack →
Paid report

Property Development Report

A deep dive into planning history, constraints, local authority insights, and nearby decisions for any type of project. Understand the planning landscape before you apply.

Planning historyRisk assessmentNearby decisionsLPA insights
From £69Get your report →
Paid report

Refusal Review & Next Steps Report

Had a planning application refused? We analyse your refusal reasons, assess appeal prospects, find comparable local decisions, and recommend personalised next steps.

Refusal analysisAppeal assessmentComparable decisionsNext-step plan
£129Get your review →
Paid report

Party Wall Notice Pack

Generate compliant party wall notices under the Party Wall etc. Act 1996. We determine which sections apply, generate notices for each neighbour, and provide response tracking.

Section detectionCompliant noticesResponse trackingSurveyor referral
£49Get your notices →
On the roadmap

What we’re building next.

Planning permission is just the start. We’re expanding to cover every process a homeowner faces during a building project.

Planned

Building Control

Understand your building regulations requirements. Check which approvals you need, find approved inspectors, and get a pre-application preparation pack.

Planned

EPC & Energy

Assess your property’s energy performance. Understand your EPC rating, identify improvement opportunities, and model the impact of planned works.

Planned

Title Intelligence

Analyse property title data to identify covenants, easements, and restrictions that could affect your building project before you start.

Planned

Property Dashboard

A single view of everything about your property: planning history, constraints, designations, energy data, and project status, all in one place.

Our approach

Built on government data. Designed for homeowners.

Every product in the BILTD ecosystem is built on authoritative, up-to-date data from government sources. We do the research so you can make informed decisions about your property.

Authoritative data
Ordnance Survey, MHCLG Planning Data, Historic England, and Environment Agency data, verified and current.
Delivered in minutes
No waiting for consultants. Reports are generated instantly and delivered to your inbox.
Tailored to your property
Every report is specific to your address, your project, and your local planning authority.
One platform, every process
Planning, building control, party walls, energy, and more. All from a single starting point.

Ready to get started?

Check your project for free with our Permitted Development Checker, or explore our paid reports for deeper analysis.

Check your project for free →