Platform
Available firstPropSage Discover
Search PropSage listings and licensed feeds in one place, compare homes on the evidence, and ask the Research Assistant for a reasoned shortlist.
Example Research Assistant shortlist of three fictional homes in Bristol, each with cited sources.
Capability tour
What it looks like in use.
Three of the tools available first, shown as illustrative interfaces with fictional addresses and figures.
PropSage Research Assistant
AI that cites its sources.
The Research Assistant returns a shortlist with its sources, and says when it does not know. You are told when you are talking to AI.
- Check how your brief was read before it searches
- Every claim linked to a source
- Gaps stated, never guessed
Example Research Assistant answer: how the brief was read, a cited result, and one requirement it could not check. Labelled as AI.
Comparison
Compare on the evidence.
Property, location, schools, environment, safety, planning and finance, side by side, with the source under every row.
- Estimates shown as ranges
- Gaps marked "not available"
- Export with attributions
Example side-by-side comparison of two fictional homes in Leeds, with the source under every row, estimates shown as ranges and one value marked not available.
Calculators
Calculators that keep the working.
Mortgage, affordability, purchase tax, yields and cash flow. Inputs and assumptions are saved with every result.
- Purchase tax for the nation the property is in
- Rent shown as a range, with its method
- Checked against independent test cases
Example buy-to-let calculation for a fictional terrace in Sheffield: rent shown as an estimated range, gross and net yield ranges, and the saved assumptions.
What you can do
What PropSage Discover does
List free
Owners, agents, developers and renovators list for sale or to let at no charge. Listings are checked before they go live.
One search
PropSage listings and licensed feeds, de-duplicated into one record per property.
Search your way
By place, postcode, a drawn area or travel time, with saved searches and alerts.
Compare on the evidence
Property, location, schools, environment, safety, planning and finance, side by side, with the source of every value.
An explained Investment Score
Set your own weights. See the drivers and anything that could not be assessed.
Calculators
Mortgage, affordability, property purchase tax, yields, cash flow and renovation estimates. Inputs and assumptions are saved with each result.
PropSage Research Assistant
Describe what you want in plain English. Check how we have read your brief, then get a sourced shortlist and report.
Suggestions with reasons
Properties we think fit, and why. Correct us and the suggestions improve.
Every value labelled for what it is
Verified
From an authorised source such as HM Land Registry or the EPC Register, with the date we retrieved it.
Estimate
Calculated by a stated model or formula, shown as a range with its confidence.
AI-generated
Written by our assistant from sourced data, labelled as AI and linked to its citations.
Built for all four nations
Property purchase tax is calculated for the nation the property is in: SDLT in England and Northern Ireland, LBTT in Scotland, LTT in Wales.
| Nation | Applies | Collected by |
|---|---|---|
| England and Northern Ireland | Stamp Duty Land Tax (SDLT) | HM Revenue & Customs |
| Scotland | Land and Buildings Transaction Tax (LBTT) | Revenue Scotland |
| Wales | Land Transaction Tax (LTT) | Welsh Revenue Authority |
PropSage applies the rules for the nation where the property is. Rates and rules change; we show the version and effective date we used.
Questions
Where do listings come from?
From people who list free on PropSage, and from licensed feeds. Each listing shows its source, and duplicates are merged into one property record.
How is the Investment Score calculated?
From sourced data on location, transport, schools, environment, affordability, rental potential and planning, weighted the way you choose. Anything we cannot assess is shown as "not assessed", never as zero.
Can I trust AI answers?
Our Research Assistant answers from PropSage data, cites its sources and says when it does not know. Check important facts with a qualified professional.
PropSage provides information and software, not surveying, legal or financial advice. The Investment Score is a decision-support tool, not a guarantee of performance or a substitute for a survey or valuation.