Inshore survey
Small-boat survey to sub-metre accuracy along tidal margins and approaches.
Lumen Survey
We are a small cartography practice working the inshore margins — tidal flats, harbour approaches and the channels that charts miss. Our soundings and notes go into Lumen Atlas, which Lumen Press prints.
Small-boat survey to sub-metre accuracy along tidal margins and approaches.
Corrections and notes supplied to the Atlas in each issue; printed as fold-out inserts.
Harbour plans, mooring-area sketches and passage notes for private use, on request.
Taking commissions for 2026 season. Survey inquiries by email only. Last updated 2 June 2026.