Chartered structural engineers, detailed reports








Hemel Hempstead homes can present very different structural questions, from terraced properties in HP20 to flats and semis that have been altered over time. Our structural engineers regularly inspect homes across the town, looking closely at load paths, foundations, roof structure and signs of movement that are easy to miss during a standard viewing. homedata.co.uk records show an average house price of £384,692, so buyers and owners often want a clear technical assessment before they commit to repairs or a purchase.
Cracks around openings, sloping floors, sticking doors and patches of damp can point to movement, but the cause is rarely obvious from the outside. We assess whether the issue is superficial, seasonal or structural, then set out the findings in plain language with practical recommendations. Where the problem is more serious, our team can provide calculations and specifications for remedial works, which helps when you need a contractor to quote on a firm basis.

Our structural engineers inspect the elements that hold the building together. That means foundations, load-bearing walls, beams, lintels, floors, roof timbers and any alteration that may have changed how loads move through the property. We also look for evidence of subsidence, heave, lateral movement and damp that is linked to structural failure rather than simple condensation.
Many Hemel Hempstead homes have been adapted, and some of the most useful clues sit in the changes rather than the original build. In HP20, terraced homes account for 35.4% of sales, with flats at 28.0%, semi-detached homes at 25.7% and detached homes at 7.6%, so party walls, rear additions and opening enlargements often matter as much as the main structure. A survey is designed to separate minor cosmetic cracking from movement that needs further investigation.

homedata.co.uk records show that Hemel Hempstead has seen an average price rise of 1.06% over the last 12 months and 5.51% over the last 5 years. There were 890 residential property sales in the last year, a fall of 26.07% or 232 transactions compared with the previous year, which means many buyers are paying close attention to condition before they proceed. The market also has a strong HP20 reference point, where the median house price is £284,475 across 672 transactions and prices have risen by approximately 20% over the past decade.
Dacorum, which includes Hemel Hempstead, recorded 7.1% population growth between the 2011 and 2021 censuses, and that growth has kept pressure on existing housing stock. Homes that have been extended, divided or refurbished can hide junctions where movement starts, especially around openings and load-bearing walls. Our engineers pay particular attention to the way older brickwork meets later additions, because the joint between the two often tells the story.
Local survey decisions are rarely about price alone. A property with a lower asking price can still need a closer structural review if the plan form has been altered, if floors feel uneven, or if previous repairs mask a larger issue. HP20 sales data also shows a high share of terraced stock, and that type of housing often shares walls, relies on repeated small openings and can be sensitive to changes in drainage or foundation support. Those are the details that matter when we are trying to understand risk.
Diagonal cracking, stepped cracks through brickwork and horizontal fissures near openings all deserve attention. So do doors that suddenly stick, windows that jam, floors that slope or a gap that appears between the wall and the ceiling after a period of dry weather. Our structural engineers treat those signs as clues, not conclusions, because the cause may sit in the foundations, the roof structure or a later alteration.
A survey also makes sense after internal walls have been removed, especially in homes where the original load path is no longer clear. In a town where HP20 terraced homes make up 35.4% of sales, chimney breasts, party walls and rear extensions can all affect how a property behaves. If the movement is new, widening or linked to seasonal weather, we want to measure it properly before anyone starts cosmetic repairs.

We begin by asking what you have seen, when the problem started and whether any works have already been carried out. That helps us focus the visit on the right parts of the building.
Our engineer attends the property, usually for 2-3 hours depending on severity, and examines the visible structure, defects and any changes to load-bearing elements. We measure crack width, check levels and look for patterns that point to movement.
Measurements, photographs and observations are assessed against the way the building should carry loads. Where needed, we consider foundation behaviour, roof spread, thermal movement and signs of progressive subsidence.
You receive a written report with the findings, the likely cause of the issue and practical recommendations. If remedial work is needed, we can specify repairs and outline the next stage of investigation.
Once the report is issued, we can talk through the findings and explain what needs urgent attention, what can be monitored and what can be left alone. That conversation often helps buyers decide whether to proceed, renegotiate or ask for repair evidence.
When structural work is required, our calculations can support contractor pricing and help reduce guesswork. If monitoring is needed first, we explain what to record and why a 12 month period is often used for subsidence claims.
Not every crack signals structural failure. Hairline cracks in plaster can appear as buildings dry out, temperatures change or new materials settle, while wider stepped cracks through masonry can point to differential movement. Our engineers look at width, direction, location and whether the crack is active before we decide if monitoring or immediate action is appropriate.
Seasonal movement is common in buildings with shallow foundations or soils that react to moisture change, and the pattern often becomes more visible after a dry summer or a wet winter. Progressive subsidence behaves differently because the signs usually worsen over time, doors become harder to close and cracks may re-open after filling. Thermal expansion can also create small openings around junctions, which is why we always check the whole building rather than one visible defect in isolation.
Monitoring is often the right first step where movement appears stable and the cracking is modest. More urgent inspection is needed if cracks are wide, horizontal, rapidly worsening or accompanied by a sloping floor or distorted openings. In a property with a recent extension or altered wall layout, we also assess whether the new load path is working as intended, because a good-looking finish can hide a serious structural weakness.
Foundations rarely fail without a reason, so our engineers look for the forces acting on the building as well as the visible damage. In Hemel Hempstead, that means checking whether earlier repairs, landscaping, drainage changes or extension work may have altered how the load reaches the ground. If a property record shows Low. Flood Risk, we still check how surface water is handled, because poor drainage can affect ground conditions even where the wider flood risk is low.
Subsidence claims need careful handling, and monitoring over 12 months is often expected before remedial decisions are made. That period helps separate a one-off seasonal shift from a real ongoing problem. homedata.co.uk records show HP20 has a median house price of £284,475 across 672 transactions, which is why lenders, buyers and insurers tend to want evidence before any structural repair path is agreed.

You should book a structural survey if you see cracks that look active, floors that slope, doors or windows that no longer close properly, or signs of movement after an extension or internal wall removal. Our engineers also recommend one when a builder or conveyancer raises concern about the structure itself. If a defect could affect stability, a technical inspection is the right next step.
A structural survey is carried out by a chartered structural engineer and focuses on load-bearing parts, movement, foundations and remedial design. A building survey is broader and looks at the overall condition of the property from a surveyor's perspective. If the main question is "is this structure safe and why is it moving?", the structural survey is the better fit.
Our structural survey service starts from £500 in Hemel Hempstead. The final fee depends on the severity of the issue, the size of the property and whether access is difficult, for example loft voids, cellars or tight boundary conditions. Where calculations or extra follow-up are needed, the price can rise.
Most site visits take 2-3 hours, although more complex homes can take longer. The report is usually delivered within 5-10 working days after the inspection. If the structure needs detailed calculation work, we will explain that before the report is issued.
Yes, our structural engineers assess subsidence by looking for cracking patterns, changes in levels, stuck openings and the wider ground conditions affecting the building. We decide whether the evidence points to seasonal movement, historic settlement or active subsidence. If monitoring is required, we will say so clearly and explain the next steps.
It depends on the cause of the damage and the wording of the policy. Insurance may respond to certain types of sudden or accidental damage, but movement, wear and poor maintenance are often handled differently. We can provide a report that explains the cause as clearly as possible, which helps when you speak to your insurer.
The most common issues we examine are cracking around openings, movement at extension junctions, altered load-bearing walls and signs of uneven floors. In HP20, where terraced homes make up 35.4% of sales, party walls and rear additions often need careful checking. Flats and semis can also show movement where previous works have changed the original structure.
From £650
RICS Level 3 survey for older or altered homes
From £350
Homebuyer report for conventional properties
From £120
Energy rating assessment for sale or rental paperwork
From £250
Valuation for Help to Buy redemption or sale
Structural survey prices in Hemel Hempstead start from £500, with the final fee shaped by the complexity of the defect and the access available on site. A small crack investigation in a straightforward semidetached home will usually cost less than a survey that needs loft checks, sub-floor inspection and remedial specifications. Our engineers quote for the actual work needed, not a generic box-ticking visit.
Several things affect the price. Larger homes take longer to inspect, hidden structural alterations take longer to analyse and difficult access can add time to the visit. If the building shows active movement, our engineer may recommend calculations, monitoring advice or repair specifications, which increases the value of the report because you have something practical to hand to builders and insurers.
The report normally sets out the defect, the likely cause, the level of concern and the next steps. Turnaround is typically 5-10 working days after the site visit, although urgent cases can be prioritised where the circumstances justify it. For buyers in a market where homedata.co.uk records 890 sales in the last year and an average price of £384,692, that clarity can help you decide whether to proceed with confidence or renegotiate with evidence.
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Chartered structural engineers, detailed reports
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Homemove is a trading name of HM Haus Group Ltd (Company No. 13873779, registered in England & Wales). Homemove Mortgages Ltd (Company No. 15947693) is an Appointed Representative of TMG Direct Limited, trading as TMG Mortgage Network, which is authorised and regulated by the Financial Conduct Authority (FRN 786245). Homemove Mortgages Ltd is entered on the FCA Register as an Appointed Representative (FRN 1022429). You can check registrations at NewRegister or by calling 0800 111 6768.