Asked straight

No. Siteline is a planning intelligence service. We do not submit applications or represent you at committee — we give the clearest possible picture of what's likely, the precedent, and the cost so your professional starts from a better place.

Planning London Datahub for live applications, planning.data.gov.uk for structured constraints, OS Open UPRN and OS Places for the property spine, HM Land Registry Price Paid for comparables, and EPC Open Data. Every field links to its source.

It's a directional range from street-cluster sold-price deltas, typically within 10–15% of a RICS valuation for standard projects. It is not a valuation; medium confidence by default and flagged where it drops to low.

You'll see a partial report — UPRN resolution, national constraints and Land Registry comparables still work. The five flagship boroughs get the full treatment first.

No. A deterministic rules engine runs against structured government datasets. The language model only writes the explanation; it never invents constraints or makes planning judgements. Every claim carries a confidence tier and a citation.

No. Consented feasibility-review requests are routed to Hampstead Renovations or vetted RICS/RIBA partners. We do not sell address lookups or reports.