Is a mortgage valuation enough?

No. It is prepared for the lender to assess the property as security. It is not an inspection of condition and will not tell you what needs repairing.

My report says 'further investigation recommended'. Is that bad?

It means the answer needs a different competence or an intrusive look, not that the news is bad. It is a routine and honest limitation of a non-intrusive inspection.

Can I use a survey to reduce the price?

You can, and specific, costed findings are the most effective basis. Whether the seller agrees is a negotiation your agent and solicitor will guide.

Should I get a survey on a flat?

Usually yes. A flat survey looks at the flat and the parts of the building that affect it, and it often raises service charge and major works questions worth asking before exchange.

Property surveying guidance

Surveying advice: the questions people actually ask us

Plain-English surveying guidance: choosing a survey level, reading a report, renegotiating after findings and knowing when to call a specialist.

Get help choosing a survey 01706 318200

Last reviewed 31 August 2026

How do I make sense of survey advice?

Most surveying decisions come down to four questions: which report to commission, what the report is telling you, what to do about the findings, and who to call when the answer needs a specialist. This hub answers those in order, in plain English, and links to the specific service or investigation once you know what you are dealing with.

At a glance

Guidance only: General information. A professional opinion follows an inspection of your property.
Written for: Buyers, owners, landlords and anyone mid-transaction with a decision to make.
Independence: None of this advice depends on selling you remedial work.
Reviewed: Checked against RICS and government primary sources on the date shown below.

Choosing a level without overthinking it

Level 1 is generally intended for conventional properties in apparently reasonable condition, where a concise overview of condition is appropriate. Level 2 gives more detail on condition, repairs, maintenance and matters for your legal advisers; a valuation is not automatically included unless you specifically commission it.

Level 3 is intended for older, larger, altered, unusual or visibly run-down properties, and where major work is planned. If two of those apply, the decision is usually already made.

Reading a report without panicking

Condition ratings are a triage tool, not a verdict on the house. A single high rating on a gutter is not the same as a high rating on a roof structure, and 'further investigation recommended' is a signal that the answer needs a different competence, not a prediction of disaster.

The useful reading order is: urgent items, items affecting the legal transaction, items with a cost you had not budgeted for, and everything else. Most reports become manageable once they are sorted that way.

Using findings in a negotiation

Renegotiation works best when it is specific. A quoted repair cost against a named defect carries weight; a general statement that the survey 'found a lot' does not.

Where a defect needs a specialist to scope, getting that report before the negotiation is usually worth the delay, because it converts an unknown into a number both sides can discuss.

Knowing when the question is no longer a surveyor's

Surveying has boundaries and honest practice means stating them. Structural calculations and engineering design require a structural engineer. Electrical, gas, asbestos, drainage, fire and arboricultural questions each belong with the relevant competent professional.

A mortgage valuation is prepared for the lender to assess its security, and is not a substitute for a buyer's survey. A Level 3 building survey is not a structural engineer's report, however detailed it is.

Who this is for

A good fit if

Buyers deciding what to commission before exchange
Owners planning work and unsure what advice they need first
Landlords managing compliance and condition across a portfolio
Anyone who has a report in front of them and wants it translated

Not the right choice if

Legal advice on contracts, title or disputes — that is your solicitor
Tax and financial planning decisions — speak to a qualified adviser
A professional opinion on a specific property, which follows an inspection

Before you commission

Survey levels compared

Levels 1, 2 and 3 side by side, with what each is intended for.

What it costs

Dated fee ranges for the North West and the factors that move them.

Pre-offer viewing report

A quick professional opinion before you commit to an offer.

Investigate a specific finding

Damp, movement, roof and drainage investigations that answer 'further investigation'.

Schedule of condition

A dated photographic record, commonly used before works or a lease.

Planned maintenance programme

Turns a list of findings into a costed plan over several years.

Work affecting a neighbour

Notice and award procedure under the Party Wall etc. Act 1996 in England and Wales.

Short lease or freehold purchase

How a premium is built and who needs to be involved.

Buying in Scotland

Why the Scottish process starts from a seller-provided report.

What to do next

Pick the line that describes where you are.

1.I have not commissioned anything yet
Start with the level comparison, then confirm the fee for your specific property.
Compare survey levels
2.I have a report and one item worries me
Go straight to a focused investigation of that defect rather than commissioning another general survey.
Defect investigations
3.I am renegotiating
Get the specific item scoped and quoted, then negotiate against a number.
4.I am planning work
Consider a schedule of condition, and check whether party wall notices are required before work starts.
Party wall procedure

When to bring in a specialist

Structural calculations, beam design and underpinning schemes — a structural engineer
Asbestos identification and sampling — a competent asbestos surveyor, following HSE guidance
Electrical condition reporting — a registered electrician
Tree damage and root influence — an arboriculturist

Common questions

Limitations and sources

Everything on this page is general information. It cannot take account of the specific property, its construction or its history.
KJ has not inspected your property. Any guidance given in chat is general and precedes, rather than replaces, a professional opinion after inspection.
Legal, tax and financial matters are outside surveying advice and should be referred to the appropriate adviser.

Source: RICS · checked August 2026

Source: UK Government · checked August 2026

Last reviewed 31 August 2026.

Where to go next

residential survey services — The instructions behind most of the advice on this page.
budget for a survey — Dated ranges so the advice can be acted on.
coverage across the North West — Where our surveyors work, town by town.

Ask KJ a straight question

Describe the property and where you are in the process. KJ answers in plain English and will say when the question needs a specialist.

KJonline

Free surveying guidance across North West England

Hi, I'm KJ. Tell me about the property or the surveying advice you need and I'll help you work out the right next step.

KJ gives general guidance only and has not inspected your property. A professional opinion follows an inspection by a surveyor.