When a buyer instructs a conveyancer, they are placing a significant amount of trust in one person to tell them if something is wrong with the property they are about to buy. They will not read the raw search results themselves. They will rely on you to interpret them.
That is a responsibility that goes well beyond checking boxes. Search data – drawn from local authorities, environmental databases, water companies, and specialist providers – builds a picture of risks that are invisible during a viewing but can affect a property’s value, insurability, and future saleability for decades.
This post sets out what the main search types reveal, how those risks play out in practice, and how to guide clients through findings in a way that is genuinely useful rather than just legally compliant.
Standard conveyancing searches typically include the Local Authority Search, Environmental Search, and Drainage & Water Search, with additional searches – mining, infrastructure, utilities, transport – where the property or location warrants it. Environmental search packs that include planning data can complement Local Authority Searches by identifying major schemes in the vicinity, as well as applications that have been approved or rejected nearby.
Together, these searches identify risks that broadly fall into five categories: legal and planning constraints, environmental hazards, physical ground risks, drainage and infrastructure, and access or usage limitations. Each one can affect whether a client should proceed, on what terms, and with what protections in place.
Local Authority Searches reveal planning permissions, enforcement notices, nearby developments, and designations such as conservation areas or listed building status. These factors influence both current value and future potential.
A planned infrastructure project nearby – a new road, housing development, or commercial scheme – may enhance or diminish value depending on its nature and proximity. Unauthorised works on the property could expose the buyer to enforcement action. Planning designations can also limit what an owner can do with a property, affecting resale value particularly where buyers want flexibility for extensions or alterations.
For conveyancers, the key is context. A planning notice means something different in a rural conservation area than on the edge of a regeneration zone. The search data is the start of the conversation, not the end of it.
Environmental Searches assess risks including land contamination, landfill proximity, radon exposure, and flood susceptibility. The implications span health, insurability, and market value.
A property flagged for potential contamination may require further investigation – and in some cases remediation, which can be costly. Even where no immediate hazard exists, the stigma attached to contamination can reduce market appeal in areas where it is known locally.
Flood Re expires in 2039. Properties in flood-prone areas already face higher insurance premiums and limited lender appetite. That protection excludes new builds completed after 2009 and commercial premises – and with climate change increasing the frequency of extreme weather events, buyers need to think about long-term resilience, not just current risk.
Drainage & Water Searches confirm whether a property is connected to mains water and sewerage, the location of public sewers, and whether any infrastructure runs within the property boundary.
Building over or near a public sewer typically requires consent from the relevant water authority and can restrict future extensions. Poor drainage or reliance on private systems raises both maintenance and environmental concerns. These are issues that can directly affect how easily a property sells in future – not just whether the transaction completes now.
Around 25% of properties in Great Britain are affected by former coal mining activities. Include non-coal mining – tin, salt, and other minerals – and that figure rises to more than a third. Mining searches identify past workings, shafts, and the risk of ground instability.
Subsidence risk extends beyond mining areas. Soil composition, tree roots, and historical land use can all contribute. Parts of North London, for example, are particularly prone to shrink-swell movement in clay soils – and given property values in the area, even localised ground risk can have a material effect on prices and insurability.
Even where no damage has occurred, the presence of risk can deter buyers or reduce lender confidence. Identifying it early allows time to advise properly – and, where appropriate, to arrange indemnity insurance before it becomes a transaction-stalling problem.
Searches and title investigations reveal rights of way, easements, and access arrangements that can materially affect how a property is used and enjoyed. A public right of way across a garden reduces privacy. Unclear or informal access arrangements can generate disputes and complicate future transactions.
There may also be complex title issues – flying or creeping freehold, for instance, where parts of adjoining properties overcut or undercut each other based on historic configuration. Where these are identified, specialist indemnity insurance can bridge uncertainties and keep the transaction moving.
Environmental search data is increasingly being treated as a forward-looking risk indicator rather than simply a record of past industrial legacy. Analysis can now project risks 30 to 50 years ahead – covering erosion risk, surface water flooding, and long-term environmental change. These factors are becoming directly relevant to lenders, whose mortgage terms run to precisely that horizon.
A property that appears low risk today may face increased exposure over time – particularly in coastal or low-lying areas. This introduces a dimension to conveyancing that did not exist a generation ago: assessing not just current risk, but how that risk is likely to evolve across the lifetime of the mortgage.
Search results do not exist in isolation. They connect directly to a client’s financial exposure in five ways:
Simply reporting findings is not enough. Clients need context, clarity, and a sense of what to do next. The Law Society’s Practice and Guidance Notes help frame how and to what extent this advice should be given – particularly for Environmental and Climate searches. In practice, effective guidance means:
The quality of what you are advising on depends in part on the quality of the search data you receive. Turnaround times, data coverage, the accuracy of flagging, and the support available when something unexpected comes back – all of these affect how well you can do your job.
At tmGroup, we have 29 regional search specialists with an average of nine years’ experience each – 270 years of combined knowledge across local authorities, common issues in specific areas, and how to get answers when a search throws up something that needs following up. In 2025 and 2026 we invested significantly in our operations: our average email response time fell from 4.74 hours to 2.14 hours – a 55% reduction – and we increased operational capacity by over 11%.
Ninety-five percent of our searches are delivered on time. We work alongside your existing systems – not as a replacement for them. And we have been shortlisted for the Supplier Innovation and Support Award at the 2026 Conveyancing Awards.
Property search data is a powerful tool – but only if the right data gets back to you quickly, from someone who can help when it matters. That is what we are here for.
For more on the people and local knowledge behind our searches, read our companion piece: Local Authority Search Specialists: why the people behind your searches matter
To read the full Robertsons Solicitors case study: read it here
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