Does a house survey check property boundaries?

When you are in the process of buying a home, it often feels like there are a million and one things that vie for your attention, and often a pull on your pocket to dip into your financial resources.

When it comes to the condition of a property, it's very easy to think that, because the survey is not a legal requirement, you can save some much-needed money by not having it, possibly in the belief that you can trust your own judgement as to how sound a particular property might be.

However, studies have shown that buyers who waived the survey went on to experience buyers' remorse as the problems began to mount up once they had bought it.

One of the areas of contention is where the boundaries are between the property you are buying and the neighbouring homes.

It is often felt that the boundaries of a property are obvious. After all, there's a fence there, a wall on the other side and a line of trees or hedges that appears to demarcate the boundaries on all sides perfectly, right? Well, possibly, but it needs to be checked to make sure there are no disputes with your new neighbours in the future.

In truth, where a fence, wall or other 'obvious' boundary marker is in place, it doesn't automatically mean that that is the true boundary of the property. The Land Registry documentation, too, gives only an idea of the boundaries and is certainly not accurate down to the millimetre.

Your chartered surveyor does more than check whether timbers are rotting, whether there is evidence of subsidence or whether the insulation is imperfect. As part of a RICS Level 3 building survey, they will walk the grounds and report on the condition of the boundary walls, fences and hedges.

A building survey is not a legal check of where the boundary lies, but your surveyor will note anything that looks out of place, such as a fence that appears to have been moved, a shared passageway to the back gardens or access that relies on a neighbour's land. These are highlighted in the report for the focus of your conveyancing solicitor, who can then check them against the title and raise questions with the seller before you commit to buying the property.

This best places you to avoid boundary disputes with any neighbour on any side. For example, if a boundary structure looks as though it has moved over time and there is no formal and legal agreement for this to have happened, it raises questions to be answered before exchange.

According to the Land Registry, there were more than 14,000 queries relating to property boundaries in the period between November 2025 and August 2026, an increase from fewer than 10,000 in the same period the previous year, so it's a potentially growing issue.

Where there is real doubt about a boundary, or where you and your neighbours are already in dispute, it needs independent and expert involvement to establish what reasonably constitutes the boundary between properties. This is the job of a chartered land surveyor who specialises in boundaries, and it goes much further than a building survey.

A boundary surveyor will become a detective, looking over title plans and conveyances over the years and the survey records lodged with the Land Registry, while inspecting and recording the current visible structures (fences, walls, hedges, ditches, tree lines and so on). They will also look at aerial photographs and historical maps to better understand the true boundaries and establish whether any of these visible structures have moved over time.

But they go further than just looking at existing boundary structures. They will also assess and measure established rights of way, especially where one is shared with another property, along with access requirements, flying freeholds and any confirmed agreements that have been made between neighbours past and present.

Disagreements between neighbours often come down to a few common misunderstandings:

• Maintenance means ownership. An agreement to maintain the boundary is not the same as owning it.
• The boundary on the left is yours. This is not always the case.
• The fence posts show who owns it. Which side of the fence faces your property doesn't necessarily indicate ownership either.
• The red line on the Land Registry plan is exact. It really isn't, since it is merely an indication of where the boundary might be.

Having the property properly surveyed before you commit to buying it helps avoid misunderstandings with the myths that abound about boundary demarcation and ownership, and it gets the facts checked so that you know where you stand. 

If a boundary dispute opens up after you have purchased the property, you will have your survey report and the conveyancing documents available to show what was checked at the time. If you don't have the documentation, agree with your neighbours to get an independent boundary survey completed before you think about the expense of litigation. For more on what to do next, see our guide to property boundary disputes.

Whatever your plans for moving home or buying your next property, make sure your budget includes a survey. Surveyor Local will connect you with our nationwide panel of chartered surveyors, all of whom are members of RICS, to identify problems with the property before you commit.

Call to get your no-obligation survey quote started or to discuss any concerns about the property you plan to buy. You can also get an instant survey quote online.