Choosing a survey level
The firm offers Level 3 on a steel-framed bungalow. What will that survey still not do to the steel it cannot see?
It will still not expose, test or calculate the steel the cladding hides. Level 3 is a more detailed visual survey, with a fuller discussion of how the building is put together. It is not a licence to strip sound cladding, to sample the metal, or to design a repair. Steel that cannot be seen remains unseen, at Level 3 as at any other home-survey level. The firm can name the frame from the clues, describe defects at openings and bases, and spell out the risk of what is covered. It will not turn hidden steel into inspected steel by offering the wider product.
Last reviewed 24 October 2026. Written for buyers in England and Wales unless this answer says otherwise. No named surveyor has signed this page. It is general guidance, not a report on your house, and not legal advice.
What is the fuller explanation?
Buyers hear Level 3 and picture opening up. The product is still a survey of what is accessible, not a strip-out. On a steel bungalow the frame is typically behind a skin. Unless a piece is already exposed, the surveyor reports the limit. Tests and a lender's acceptance are outside that visual job as well. Level 3 buys a fuller account. It does not buy a view through the cladding.
Ask the firm, before you instruct, what of this bungalow's steel they expect to see and what they will not open. Get that limit in the terms. If you need concealed steel described, ask what a separate inspection would involve, and do not assume it is included. Tell the lender later that even this survey did not expose hidden steel. Level 3 is worth having for the discussion. It is not a promise to dismantle what it cannot see.
What should you ask your surveyor?
- What steel on this bungalow will Level 3 actually be able to see?
- Will you remove cladding, or only report steel that is already exposed?
- Does Level 3 include a calculation or a test of the hidden frame?
What are the typical next steps?
- Ask what of the steel will stay concealed on a Level 3 visit.
- Do not expect hidden steel to be exposed or tested.
- Keep any specialist opening-up as a separate instruction.
Costs vary with the building and with who you instruct. Where this page does not cite a published figure, ask the surveyor, a relevant specialist, or your solicitor for a written quote. Do not treat a forum average as the price.
Also asked about this
If Level 3 is the most detailed home survey, has the frame been fully inspected?
Only the frame that could be seen. The most detailed visual product still does not expose steel it cannot see, and it does not test or calculate that hidden metal. Detail in the writing is not access through the cladding. The unseen steel stays uninspected.
Should you refuse Level 3 because it will not open the steel?
Not for that reason alone. Level 3 can still describe the bungalow, the clues to the frame and the limits carefully. Refuse it only if you thought it included opening up and the firm will not say what is included. The limit on hidden steel is real. It is not a reason to prefer a thinner report.