
Guides
Plain-English answers from our engineers to the questions homeowners and buyers ask us most.
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GuideCracks in walls: which ones matterCrack widths, patterns and causes, and how to measure and monitor a crack.
GuideSubsidence investigations in LondonThe signs, why London homes are prone to it, and how it is investigated.
Case studiesReal examples from our reportsWhat clients were worried about, what we found and what we recommended, with identifying details removed.
Cracks, subsidence and movement
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Structural Surveys, Subsidence Investigations & Structural Design in LondonChoosing the right structural engineer when you are buying, extending, removing a wall or worried about cracking or subsidence.
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Understanding the Impact of Leaking Drains on PropertiesHow a damaged underground pipe can soften or wash out the soil under part of a building, and when a drain should be investigated.
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Cracks Around Windows in London: Lintel Failure or Structural Movement?Why cracks form around windows in older London homes, and what their position and shape can tell an engineer.
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Cracks in a South East London Home: When to Call a Structural EngineerNot every crack is structural. What to note before arranging an inspection in South East London.
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Subsidence in London: Causes, Warning Signs and Structural InvestigationWhat subsidence is, why London properties can be affected, and how it is investigated.
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Cracks in Walls: When Should You Call a Structural Engineer?Not every crack is structural, and not every structural crack means subsidence.
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Cracks, Structural Inspections, Mortgage Surveys and Subsidence: What Homeowners and Buyers Need to KnowWhat caused a crack, whether it is active, and whether further investigation is justified.
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Foundation Movement Signs Worth InvestigatingWhich signs of foundation movement need a structural engineer, and what evidence helps with lenders, insurers and repairs.
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When Do Cracks Need Inspection? A London GuideWarning signs, likely causes and next steps for London homes.
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Does Underpinning Affect Property Value in London?How documented repairs, lender evidence, insurance and ongoing movement shape a home's saleability.
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How to Diagnose Foundation Movement in LondonHow engineers assess cracks and soil conditions to diagnose foundation movement.
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Shrinkable Clay Soil Subsidence Warning SignsShrinkable clay, the warning signs of subsidence and how it is investigated.
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When Crack Monitoring for Houses Is NeededWhat crack monitoring proves, how long it takes, and when it supports insurance and lending.
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When You Need a Subsidence Survey LondonWhen a subsidence survey is needed and what an engineer checks.
Buying, mortgages and insurance
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Buying a Home in St Albans and the AL Area: Structural Questions to CheckHow buyers in St Albans can prepare when a valuation or survey raises a structural question.
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How Much Does a Structural Survey Cost in London? A 2026 GuideWhat affects the price, and how to avoid paying for the wrong type of report.
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What Is a Structural Survey for a Mortgage? A Guide for UK HomebuyersWhy a lender may ask for a structural engineer's report after a valuation, and what it means for your purchase.
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Buying Property Checks That Protect Your InvestmentStructural checks before exchange that reveal risks, lender concerns and repair costs.
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Can Lenders Reject Structural Reports in London?Why mortgage evidence can be challenged, and what underwriters need.
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Structural Survey Versus Homebuyer SurveyThe difference in scope, and when an engineer's evidence protects your purchase.
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When a Pre Purchase Structural Survey MattersClear evidence on cracks, movement and repair risk before mortgage and exchange decisions.
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When You Need an Insurance Structural ReportWhat an insurance structural report should cover and how it supports a claim.
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Mortgage Structural Survey: What Lenders NeedThe evidence lenders need to assess risk and progress your loan.
Alterations, extensions and lofts
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Steel Beam (RSJ) Calculations in London: Homeowner FAQsMost knock-throughs, kitchen extensions and chimney breast removals in London end with a steel beam carrying the house above.
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Do I Need a Structural Engineer for My Extension? London FAQsCalculations, foundations on clay, steel beams, party walls, sewers and planning, answered.
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Garden Room Foundations in London: What Foundation Do You Need?How soil, clay, trees, drainage and building loads affect foundation depth and design, and when an engineer is needed.
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Loft Conversion Structural Engineer in London: Calculations, Steels and FAQsWhat the calculations cover, steel beams, party walls, chimney breasts and planning, answered.
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Replacing Slate Roof Tiles with Concrete Tiles: Structural Checks for UK HomeownersThe structural considerations, roof checks and Building Regulations questions when replacing slate with concrete roof tiles.
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Freeholder Consent Guide for Structural WorksThe evidence London leaseholders need for structural alterations.
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Choosing the Best Structural Engineer for ExtensionsHow to choose a structural engineer for a house extension.
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What a Right of Alter Structural Report Must ShowHow a structural report shows whether proposed flat alterations are safe and ready for freeholder consent.
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Staircase Alteration Structural Design in LondonCalculations and drawings for staircase alterations, for Building Control approval.
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Chimney Breast Removal Calculations ExplainedHow chimney breast removal calculations establish safe support and satisfy Building Control.
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Load Bearing Wall Removal in London HomesHow structural design, approvals and careful sequencing protect your home.
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When Do You Need a Loft Conversion Engineer?Calculations and drawings for loft conversions and Building Control.
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What Extension Structural Drawings Must ShowHow structural drawings show Building Control and builders the way an extension is supported.
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Structural Calculations London for Home ProjectsWhat Building Control, lenders and insurers expect from structural calculations.
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Structural Alterations That Need an EngineerWhen calculations, drawings, inspections and approvals protect your project.
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The Role of Structural Engineers for House ExtensionsHow structural engineers keep an extension and the existing house safe and compliant.
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Structural Engineering Survey and Calculation for Internal Alterations in LondonSurveys and calculations for internal alterations in London homes.
Inspections and local guides
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Structural Engineer in Richmond upon Thames: Local Homeowner FAQsRichmond upon Thames runs along both banks of the river, from Barnes, Kew and East Sheen to Twickenham, Teddington and Hampton.
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Structural Engineer in Hammersmith and Fulham: Local Homeowner FAQsHammersmith and Fulham is mostly Victorian and Edwardian terraces, mansion blocks and converted flats, built on London Clay and close to the Thames.
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Residential Structural Inspections ExplainedWhat a residential structural inspection covers, and how it helps homeowners, buyers and leaseholders make informed decisions.
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Structural Inspections in Clapham, Battersea, Wandsworth, Richmond and HammersmithChoosing the right inspection for homes across South and West London.
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Structural Inspections Across South East London: What Homeowners Should KnowWhat a structural inspection involves for homes in the SE postcode area.
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Structural Surveys Across the AL Postcodes: A Practical Guide for HomeownersChoosing an inspection scope that matches the concern, for homes in the AL postcode area.
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Structural Engineer in Wimbledon: Inspections, Cracks and SubsidenceStructural inspections, crack investigations and subsidence for homes in Wimbledon.
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Structural Inspection: When Your Home Needs OneHow a structural inspection explains cracks, movement and alteration risks.