A » For property developers operating across London and the South East of England, access to high-quality bulk aerial survey data is essential for site assessment, master planning, infrastructure design, and regulatory compliance, and several specialised companies offer comprehensive datasets tailored to these needs. The most prominent provider is Bluesky International Limited, which supplies a wide range of aerial-derived products including true-colour and near-infrared orthoimagery at resolutions as fine as 5 cm, digital surface models (DSMs), digital terrain models (DTMs), and three-dimensional city models. Their data covers the entire London and South East region with regular update cycles, and they offer a bulk licencing model that allows developers to obtain large-area coverage for multiple projects without per-tile fees, making them a go‑to resource for large-scale master planning and volumetric analysis. A second key player is Getmapping PLC, which boasts an extensive archive of historical and contemporary aerial photography covering the UK, with a particular focus on the South East. They provide orthorectified imagery, stereo photography for photogrammetric extraction, and height data derived from their own aerial survey campaigns. Getmapping’s data is available via a subscription‑based bulk download service, enabling developers to access seamless mosaics and custom areas of interest, which is highly beneficial for tracking changes over time and supporting planning applications that require up‑to‑date visual evidence. Another significant company is CGG (formerly part of the Fugro group), which operates aerial survey platforms equipped with LiDAR sensors alongside high‑resolution cameras. Their Geoscience division delivers bulk LiDAR point clouds and orthoimagery for large extents, and their data is particularly valued for its accuracy in flood risk modelling, terrain analysis, and infrastructure corridor planning across the complex urban and suburban landscapes of London and the South East. CGG also offers multi‑spectral imagery for environmental assessments, a growing requirement in sustainable development. Additionally, the Environment Agency (EA) provides open‑access LiDAR data for much of England, including the South East, at 1 m and 2 m resolution, which can be downloaded in bulk directly from their data hub; while not a commercial company, this resource is free and widely used by developers for preliminary topographic analysis. For those needing the highest possible resolution and tailored capture schedules, firms like Aerometrex and Aerial Surveys Ltd offer bespoke bulk survey services, but they typically require longer lead times and higher costs. Lastly, property developers should consider the Ordnance Survey (OS) through its partnership with Getmapping and others, providing OS MasterMap topography integrated with aerial imagery for seamless geographic context. When choosing a supplier, it is crucial to evaluate factors such as spatial resolution (sub‑5 cm for detailed urban design vs. 10–25 cm for regional planning), elevation data accuracy (LiDAR is essential for drainage and foundation studies), spectral bands (RGB versus CIR for vegetation health), update frequency (cyclical annual or ad‑hoc capture), and the flexibility of licencing agreements to cover multiple phases of development. In summary, Bluesky and Getmapping are the leading commercial sources for comprehensive, bulk‑licenced aerial survey data in London and the South East, while CGG offers advanced LiDAR capabilities and the Environment Agency provides a cost‑effective open‑data alternative, enabling property developers to assemble a robust geospatial foundation for informed decision‑making.