Premonitia · Press Room

London property.
Intelligence first.

Press releases, data briefings, and intelligence reports from Premonitia. We publish findings from our analysis of London's residential property market — ownership cycles, compliance pressure, and seller probability at scale.

Media enquiries · intelligence@premonitia.com · Response within one business day
For Estate Agents
The intelligence advantage
How Premonitia identifies London's most probable sellers before they're ready to list — and delivers them to the right agent.
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For Property Owners
Your sale starts here
The trusted first step in your sale journey — before you're ready, before you've called an agent. Know what selling actually looks like for your property.
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For Investors
The upstream trust layer
Premonitia sits upstream of every London residential sale. Platform overview, revenue model, and data moat for prospective investors.
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Press Releases & Data Briefings

Latest releases

Data Briefing — April 2026
The Spring Seller Wave: One Million Fixed-Rate Deals Expiring Before October
Approximately one million fixed-rate mortgage deals expire in London between April and September 2026. Premonitia identifies the timing implications for the residential sales market — and which cohorts face the sharpest payment increases.
16 April 2026 · Embargo: None Request data ↗
Press Release — April 2026
Premonitia Publishes April 2026 London Property Intelligence Series
Five data-driven reports drawing on HMLR Price Paid data, the MHCLG EPC Register, Companies House filings, and ONS house price indices. The series covers ownership cycles, resale probability, and compliance pressure across London's residential market.
16 April 2026 · Embargo: None View reports ↗
Launch Announcement — March 2026
Premonitia Launches London Property Intelligence Platform
Premonitia has launched its London residential property intelligence platform, scoring 966,916 properties across 10 signal datasets. The platform provides estate agents with ranked, scored, and contact-ready seller prospects — powered by Aime, the AI concierge built on HMLR, EPC, and Companies House data.
18 March 2026 · Embargo: None About Premonitia ↗
Intelligence Reports

Published research

All reports ↗
966k
Scored London properties
10
Signal datasets
3.9M
Transactions analysed
4
Published reports
EPC Compliance
The EPC Compliance Wave
760,000 London flats currently rated EPC D or below face a mandatory upgrade requirement by 2028. Premonitia analysis identifies which postcodes carry the greatest compliance exposure — and where landlord exit pressure is highest.
760k Affected flats
38% Below EPC-C
2028 Compliance deadline
Corporate Ownership
Corporate Landlords Under Pressure
263,000 limited companies hold 2.9 million residential properties across London. Rate-driven yield compression, the EPC-C deadline, and rising service charge liabilities are converging on corporate portfolios. Disposal signals are already visible in the data.
2.9M Company-held properties
263k Companies
35% Leasehold share
Resale Cycles
The 5–8 Year Flat Trap
Analysis of 3.9 million leasehold flat transactions reveals a concentrated resale cluster at the 5–8 year mark. 85,000 flats were resold in year five. Of those who sold at a loss, 8.9% were in this window — three times the wider market loss rate.
85k Yr5 resales
8.9% At a loss
3× Higher loss rate
Post-Covid Cohort
Post-Covid Ownership Reset
282,850 London flats were purchased during the 2020–21 pandemic market. Now approaching the five-year threshold, this cohort carries a median gain of +6.4% — insufficient to cover exit costs for most. The motivated-seller wave is forming now and will peak in 2026–27.
282k Pandemic-era flats
+6.4% Median gain
2026–27 Wave peak
Media Resources

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Response Within one business day
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About Premonitia

Premonitia is a London residential property intelligence platform. We score 966,916 properties across 10 signal datasets to identify the city's most probable sellers — before they're ready to list. Estate agents use Premonitia to find the right owners at the right time.

The platform is built on Land Registry, EPC Register, Companies House, and ONS data. Our AI concierge, Aime, gives agents a working partner for prospecting, research, and outreach.

Premonitia launched in March 2026. The platform is available to invited estate agents operating in Greater London.

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Data Sources
HM Land Registry Price Paid · MHCLG EPC Register · Companies House · ONS House Price Index · Mortgage Solutions · OS Address Base (UPRN)