Third Surveyors Explained: Roles, Fees & Rights Under the Party Wall Act

Simple Survey21 Nov, 2025Business

When neighbours appoint separate surveyor under the Party Wall etc. Act 1996, those two surveyors must “forthwith” select a Third Surveyor. Most of the time, you’ll never hear from this person. But if the appointed surveyors hit a deadlock—or an owner raises a matter that the two surveyors can’t resolve—the Third Surveyor becomes pivotal. Here’s a clear guide to how that works and what it means for timelines and costs.