What a survey is for
A home survey (RICS Level 2 or Level 3) exists to tell a buyer about the condition and value of a property they are about to commit to. It was designed for the second-hand market: is the roof near the end of its life, is there damp, is there movement, is the price sensible given the condition.
On a brand-new home most of those questions are already answered. The structure carries a 10-year warranty, everything is newly installed, and your lender's valuation has its own process. A surveyor will typically tell you as much — many decline new-build instructions or produce a very thin report, because the format has little to say about a house that was finished last month.
What a snagging inspection is for
A snagging inspection starts from the opposite assumption: the house is new, the structure is warranted, and the risk sits in the quality of the finish and the completeness of the work. The job is to find every defect — cosmetic, functional and technical — while the builder is still obliged to put them right.
That means a different method entirely. Not a sampling walk-through, but a room-by-room, element-by-element examination: every wall, ceiling, floor, door, window, socket, switch, radiator, sanitary fitting and external elevation, checked against the standards the builder is contracted to meet.
- Workmanship and finish: plastering, decorating, tiling, joinery, flooring, sealant.
- Function: windows and doors operating and locking, sockets and switches live, heating and hot water responding, drainage running clear.
- Technical compliance: items checked against NHBC standards and Building Regulations — insulation continuity, ventilation, fire-stopping where visible, falls to drainage.
- Externals: brickwork, pointing, render, roof coverings, guttering, boundaries, drives and drainage.
Why the distinction matters on a new build
The leverage you have as a new-build buyer is time-limited. In the first weeks and months after completion the developer expects a snagging list and will attend to it. Two years in, the same conversation is slower and harder. A survey does not produce that list — it was never meant to.
A snagging inspection produces the document the process runs on: an itemised, photographic schedule of defects, each one located, described and referenced to the standard it breaches. That is what you hand to the site team, and it is what keeps the conversation factual rather than argumentative.
When a survey still makes sense
There are cases where a survey earns its fee on a new build: if you are buying a conversion of an older structure, a property that has stood finished but empty for a long period, or a home where you have a specific structural concern you want a RICS opinion on. For the typical buyer of a new house or apartment on a Cambridgeshire development, the snagging inspection is the inspection that matches the risk.
The short answer
A survey tells you what a property is worth and whether its structure is sound. A snagging inspection tells you everything the builder still needs to fix. On a new build, the second is the question that matters — and the window to ask it is shortest right after completion.
This guide is general information, not legal advice. Your purchase contract, warranty documents and the applicable customer code determine your rights. Ask your solicitor before making decisions about completion or payments.