Source: https://tendernation.io/opportunities/01a13bc3-ff9a-727b-a739-17559203989d/develop-an-open-mosaic-habitats-on-previously-developed-land-omh-gis-layer awarded GB open procedure Suitable for SMEs # Develop an Open Mosaic Habitats on Previously Developed Land (OMH) GIS layer [Natural England](https://tendernation.io/buyers/natural-england) Estimated value £33,333 Published 17 Oct 2025 Deadline Closed 3 Oct 2025 ## Who can bid - Open to suppliers based in the UK The buyer has limited bidding to suppliers with substantive operations in this area. [PPN 005: reserving by supplier location](https://www.gov.uk/government/publications/ppn-005-reserving-below-threshold-procurements/ppn-005-guide-to-reserving-below-threshold-html) - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Below-threshold contract Buyers cannot shortlist bidders on suitability before tenders are in, so everyone gets to submit a bid (except some larger works contracts). [Procurement Act 2023, section 85](https://www.legislation.gov.uk/ukpga/2023/54/section/85) - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender The work relates to the draft inventory of OMH published in 2013 and not updated since. The scale of the change in the extent of OMH since 2013 was unknown so in 2024 a contract was let to compare the polygons within the draft inventory against the latest available aerial imagery. This confirmed that 25% of the polygons no longer contained OMH and should be removed from the inventory and in another 30% of the polygons OMH was still present but the boundary of the polygon required amendment to account for partial loss from development or vegetation succession. The work is to use the data from the 2024 contract and remove and amend the polygons from the draft inventory where OMH has been lost to create a more accurate GIS layer. ## CPV classification Geographic information systems (GIS or equivalent) Geology services Environmental issues consultancy services Source Find a Tender (UK) · Notice ocds-h6vhtk-059e43-2025-10-17T15:01:21+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-059e43-2025-10-17T15:01:21+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. 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