RICS Level 3 Building Survey in Merton

Buying in Merton? RICS Level 3 Building Surveys with local context, questions about alterations and clear inspection limits. Request a quote.

£950–£2,000 plus VAT — fixed fee confirmed after scoping

Published

Content updated: October 2026.

Planning the Merton purchase survey

Merton is a borough-wide search, so the full property address matters more than the locality label. Its council publishes separate conservation records for places including John Innes Merton Park, Wimbledon and the Wandle Valley. The survey brief should identify which building is being purchased, its additions and the evidence available. This page helps organise those questions without applying one district’s character to every home in Merton.

Choose the relevant Merton record before relying on local character

Merton’s conservation directory separates John Innes Merton Park, John Innes Wilton Crescent and several Wimbledon areas. It also divides the Wandle Valley material into named sub-areas, including Colliers Wood, Merton Priory and Phipps Bridge. These are distinct records rather than a single description of the whole borough.

Send the exact address and a plan showing the property extent when requesting a survey. If the seller refers to a conservation area, ask for the specific name and map rather than accepting a general reference to Merton. The right record can help frame questions about retained features and past changes. It cannot establish whether the roof, foundations or concealed alterations at that address are sound.

Explain whether the purchase is a house, conversion or part of a block

The same street address can describe a whole house, a floor within it or a separate building behind it. State which is being bought and identify any garage, garden building or external space expected to form part of the instruction. A sale plan with boundaries and access points helps prevent the survey scope being based on an incomplete set of interior photographs.

For a flat, ask who controls entry to common parts and whether the roof or cellar can be made available. For a house, explain whether additions have concealed the earlier rear wall or changed the circulation. The aim is to agree an inspection that fits the building’s complexity. It is not to assign a survey level merely because the property lies somewhere within a large London borough.

Match alterations to dated drawings and visible junctions

If the sale particulars describe an extended kitchen, additional bedroom or converted loft, request the drawings and the available completion information for each change. Arrange them by date so that a later alteration is not mistaken for the work shown in an earlier application. Note any discrepancy between the current floor plan and the documents supplied.

During the scope discussion, identify the physical questions: where an earlier wall was removed, how a roof room is reached, or which extension has experienced staining. The report can explain observations and recommended next steps within the accessible inspection. It will not certify that every concealed element complies with an approval. Documentary gaps and signs of distress deserve separate treatment because they do not establish the same thing.

Bring intended repairs into the conservation enquiry

Merton’s directory provides character assessments, maps and, for some areas, separate management and direction documents. If your buying decision depends on altering the exterior, identify the proposed component and check the relevant current material with the council. Do not assume that the existence of a nearby extension answers the permission question for your own property.

The practical purchase schedule can then record the observed condition, proposed repair, information still needed and person responsible for the next enquiry. Where a window or roof covering is serviceable but you want a different design, distinguish that preference from a necessary repair. This makes the survey discussion more useful and avoids using a condition recommendation as a substitute for design advice or a planning decision.

Discuss the scope and fee

Read the Level 3 Building Survey scope or compare Level 2 and Level 3.

Read a redacted Level 3 sample report.

Open the sample report PDF · Request a sample report.

1. Which survey do you need?
2. What kind of property is it?

Indicative ranges from our published London fee bands — every instruction is confirmed by a fixed written quote before you commit. Fees vary with size, complexity and access. See the full guide to building survey costs in London.

Open the standalone fee calculator.

Local sources checked

These sources describe local building groups and planning context. They do not establish the condition of an individual property.

Merton purchase questions

Is a Level 3 survey the same as a full structural survey?

"Full structural survey" is a legacy search term for a Level 3 Building Survey. A Level 3 Building Survey is a visual, non-intrusive inspection of accessible parts; the written scope defines what is included.

Does “Merton” identify the conservation area for my purchase?

No. The borough’s directory contains separately mapped areas and sub-areas. Give the full address and check the appropriate record. A borough label alone does not establish designation or describe the construction of the purchased building.

What if the present layout differs from the seller’s drawings?

Flag the difference and ask which revision represents the completed work. Supply both the current plan and the available drawings. The survey and conveyancing enquiries can then address the physical arrangement and documentary position without treating them as interchangeable.

Should a future extension be included in the survey request?

Explain the intention because it may affect the questions you need answered. The purchase inspection has an agreed scope; feasibility, design and permission for a new extension may require separate advice before you rely on that proposal.