Ask any question about London property prices and get an instant, data-backed answer. 16 years of official sales records — 1.76M transactions across all 33 boroughs. Bring your own OpenAI key and start exploring.
What it does
Ask in plain English. Get a direct answer with the numbers behind it — not links, not jargon.
Every response comes with an auto-generated chart. Trends, comparisons, seasonal patterns — visualised instantly.
Borough, district, postcode — from Kensington to Lewisham. All 33 boroughs covered with the same depth of data.
Data from 2010 to today. Ask about the post-2008 recovery, pandemic shifts, or last month's sales.
Example questions
Every figure this tool produces is derived directly from HM Land Registry Price Paid Data — one of the most authoritative property datasets in the UK. The methodology is transparent. The data is public. The calculations are reproducible.
If you're a data scientist or data analyst, I've prepared a full verification notebook on Kaggle. Query the raw dataset yourself. Run the aggregations. Check the numbers. If you find a discrepancy, I want to know.
📓 Open the Verification Notebook on Kaggle →This project is built and maintained independently — no VC funding, no corporate backing. The data pipeline, infrastructure, and AI inference have real costs.
If you find this useful — whether you're a property professional, a buyer doing your research, or a developer curious about the tech — please consider supporting it. Even a small contribution keeps the lights on and lets me build more.
I'm also open to sponsorship, partnerships, and funding conversations. If your organisation works in property, finance, or data and sees value here, let's talk.
Free to use. No sign-up. Just bring your OpenAI API key.
Try the Analyst Free →Data source: HM Land Registry Price Paid Data (Crown copyright). Contains public sector information licensed under the Open Government Licence v3.0. This tool is for informational purposes only and does not constitute financial, legal, or investment advice. No advisory relationship is created by using this tool. The data has inherent limitations — not all transactions are captured, and figures represent historical sales, not current market valuations. Not regulated by the FCA.