Data source Latest
BBR data with source and pitfall flags
BBR now shows its source and flags the common errors, so owner-reported figures can be cross-checked before they go into a valuation.
What's new
New modules, data sources and improvements.
Ongoing updates to the platform — new modules, data sources and improvements.
23 updates Latest 2 June 2026 Follow via RSS
Data source Latest
BBR data with source and pitfall flags
BBR now shows its source and flags the common errors, so owner-reported figures can be cross-checked before they go into a valuation.
Read the full article Earlier updates
May 2026
Performance
Faster map and search
The map and property search load faster, and large result lists scroll smoothly — on mobile too.
See the map Improvement
Local-plan clauses surfaced automatically
Use, plot ratio, building envelopes and height limits are now pulled out of the local plan, so the building right is easy to spot at a glance.
Read the full article New
Due-diligence checklist built into the case
The matters to settle before buying a site — from building rights to soil contamination — now come along as a checklist on every case.
Read the full article April 2026
Algorithm
Arcilix Engine — the V7 generation
The valuation models are now on V7: dynamic area scaling from 1,000 to 20,000 comparable deals and higher precision, anchored in the existing market — never a forecast.
See Arcilix Engine New
Security & compliance in one place
GDPR, EU data residency, SSO, audit log and the data processing agreement are now documented together, so your DPO, IT security and auditor can find every control at once.
The DPA, sub-processor list and pen-test summary are available on request.
March 2026
Data source
Land registration live in the property view
Registered charges, easements and mortgages now appear alongside the plot, BBR and sales history — and deal data is updated daily from the land registry.
See Properties Performance
Faster 3D in project development
The 3D scene loads markedly faster on large plots, and terrain and buildings render more reliably — on mobile too.
See Project hub February 2026
Algorithm
Rental valuation — Arcilix Engine LP-240
Estimate market rent for a single home or a whole portfolio with a separate rent engine — a supplement to the sale valuation, with confidence levels.
See Arcilix Engine New
Agents keep watch for you
Set agents to find sites and projects — and to watch specific properties and companies, so you're notified the moment something changes.
See Agents January 2026
Improvement
People and beneficial owners
Follow ownership chains all the way to people and beneficial owners across properties and companies — with background checks in one place.
See Properties Algorithm
Project valuation — Arcilix Engine TP-820
Value new builds and commercial conversions on the same data foundation as home valuation. TP-820 extends TP-530 to 82 factors.
See Arcilix Engine December 2025
Performance
Faster loading across the platform
Pages and reports load noticeably faster, and heavy data tables render more reliably.
Algorithm
Arcilix Engine — the V6 generation
A broader comparison basis: up to 20,000 deals per valuation with an adaptive search radius of up to 4 km and a 24-month window.
See Arcilix Engine Data source
Sales history and comparable deals
See realised sale prices and comparable deals nearby — drawn from over 6.3 million transactions.
See Properties November 2025
New
Project development — one complete report
From plot to project brief: 3D, financials and report in one flow. Saving 80–100 hours per case.
See Project hub October 2025
New
AI assistants for building code, planning and VAT
Ask questions about the building regulations, the planning act and VAT — and get answers that cite the relevant clause.
Improvement
Companies and the full register
The full company register in one place: ownership chains, accounts, signing rules and background checks per company.
See Properties September 2025
Performance
Faster property search
Address and plot search responds faster, and large result lists scroll smoothly — on mobile too.
Improvement
Map: 3D and 300+ data layers
Turn on layers for planning, environment, noise and infrastructure — and see buildings and terrain in 3D directly on the map.
See the map August 2025
Algorithm
Home valuation — powered by Arcilix Engine TP-530
AI price estimate for individual homes and investment properties. TP-530 assesses 72 factors across 7 condition levels, with three confidence levels on every valuation.
See Arcilix Engine July 2025
New
Map — one click on the plot
Click a plot and see owner, planning basis, deals and environment in one place. The foundation beneath the whole platform.
See the map June 2025
New
Arcili is live
One geographic decision platform where teams develop, qualify and visualise project proposals directly on the map.