Find out roughly how the house was built
Knowing the approximate period helps a surveyor judge what is normal. Older solid brick or stone walls handle moisture differently from a later cavity wall. Suspended timber floors need airflow below them. Lime mortar and plaster may have been replaced with harder modern materials, sometimes with unintended results.
Ask what the walls, floors and roof are made from instead of relying on the date in an estate-agent listing. Houses are extended and rebuilt. One elevation may be solid while an addition is cavity construction. The Energy Performance Certificate, title papers and previous surveys may offer clues, but your own surveyor should confirm what can reasonably be seen.
Expect maintenance, but distinguish it from neglect
Weathered pointing, ageing paintwork and a few slipped tiles may be ordinary jobs for an older house. A long list of small overdue repairs can still become expensive when scaffolding and access are added. Look at gutters, chimney details, external joinery, render and the ground around the building as a group.
Ask when the roof was last recovered, when windows were replaced and whether the outside has been decorated on a regular cycle. Receipts do not guarantee good work, but they help establish what was done. A seller who has kept useful records makes later checks easier than a folder containing only guarantees with no invoices or drawings.
Take damp and ventilation seriously without guessing
Musty cupboards, damaged skirting, salt marks and crumbling plaster deserve investigation. They do not automatically prove rising damp or justify a chemical damp-proof course. Leaking gutters, high paving, blocked sub-floor vents, plumbing faults and condensation can all affect lower walls. Ask the surveyor to consider the pattern and likely source.
Look outside the same wall. Check downpipes, drains, flower beds and render near ground level. Inside, notice cold corners and furniture pressed against external walls. If a specialist opinion is suggested, choose someone prepared to diagnose the cause and explain the evidence, not simply quote for one treatment after taking a few meter readings.
Old services may need separate checks
A building survey is not a full electrical, gas, heating or drainage test. Find the consumer unit, boiler, stopcock and meters. Ask for installation and service records, while remembering that a serviced old boiler remains an old boiler. Mixed sockets, surface wiring or a modern unit beside much older wiring are reasons to ask further questions.
If the services look dated, obtain the relevant specialist report before exchange. Drains matter particularly where mature trees, previous extensions or old clay pipes are involved. Decide what you need to know before instructing a test so the contractor reports on the condition and route, not just whether water happened to flow on the day.
Check alterations as carefully as the original house
Loft rooms, removed chimney breasts, open-plan ground floors and rear extensions can affect structure, fire safety, drainage and insurance. Ask when the work was carried out and request planning approvals, building-control documents, warranties and structural calculations where they should exist. Older work may raise different legal questions, but silence is not an answer.
Compare the layout with neighbouring houses and look for changes in floor level, odd boxed-in areas or beams. Your conveyancer checks documents; your surveyor checks the building. Make sure they know about each other’s findings. A certificate cannot show that a crack has recently widened, and a visual survey cannot prove that every legal consent was obtained.
Choose a survey that suits the property
An older, altered or poorly maintained house usually justifies a more detailed inspection than a modern home in straightforward condition. Tell the surveyor what worries you and what you hope to change. Ask whether roof voids, cellars, outbuildings and drainage covers will be inspected where access is available.
Read the report, then speak to the surveyor. Ask which issues need action now, which should be monitored and which are normal maintenance. Obtain quotations for the expensive or uncertain items before exchange. The purpose is not to produce a frightening catalogue of age; it is to understand the work you may inherit and decide whether the price still makes sense.
Ask the surveyor which elements are likely to need planned work during the first few years. A short priority list is more useful for budgeting than treating every comment in a long report as equally urgent.