Knowledge Centre
Structural Knowledge Centre
Fifteen plain-English guides to the structural questions North London property owners actually ask — cracks, subsidence, costs, party walls, purchases and projects. General information, honestly hedged; assessment is what answers your specific property.
Complete Guide to Structural Surveys
Types, costs, RICS levels vs engineer inspections, and when one is worth it.
Read guide →Complete Guide to Subsidence
Signs, causes, investigation, insurance and why most cases end well.
Read guide →Cracks in Walls: What They May Mean
Reading width, direction and behaviour — with the BRE damage categories.
Read guide →Complete Guide to Underpinning
Methods, per-metre costs, the process and living with an underpinned house.
Read guide →Foundation Repair Guide
The four-tier repair ladder and how to avoid paying for the wrong tier.
Read guide →Structural Engineering for Extensions
What the engineer designs, clay-and-trees foundations, and the classic pitfalls.
Read guide →Structural Engineering for Loft Conversions
New floors, dormers, roof types and the paperwork that keeps lofts mortgageable.
Read guide →Load-Bearing Wall Removal Guide
Identification, beams, costs, approvals — and fixing undocumented removals.
Read guide →Buying a House with Structural Concerns
Decoding survey language, negotiating with defects, and when to walk.
Read guide →Structural Problems in Victorian Houses
What's normal ageing in Victorian stock and what genuinely needs attention.
Read guide →Tree Roots and Property Movement
How trees actually cause movement, which species matter, and the heave trap.
Read guide →Drainage Problems and Structural Movement
Leaking drains as a movement cause: patterns, CCTV surveys, repairs, who pays.
Read guide →Party Wall Guide for Property Owners
The Act for both sides: triggers, notices, awards, costs and damage handling.
Read guide →Structural Engineer Reports Explained
Report types, how to read them, and commissioning the right scope.
Read guide →When to Contact a Structural Engineer
Call now, book soon, or monitor first — the sorting guide.
Read guide →Prefer interactive help?
The free tools turn several of these guides into calculators and checklists — crack severity triage, subsidence risk screening, cost estimators and printable checklists for buyers and renovators.
Concerned about movement, cracking or a structural question?
Call now for urgent concerns, or request a structural assessment and we will arrange the right specialist help.