The verdict in three sentences
For a UK geotechnical consultancy, demand now comes from three online audiences: self-builders and homeowners, small house builders and developers, each searching for a fast answer on price and turnaround. They pick the firm that gives an indicative price and a delivery date without waiting for a callback. A website with a plot-based quote form and a shrink-swell clay map ships in 5 to 7 weeks and turns that search traffic into qualified briefs.
Where the demand comes from
In the UK, building control, warranty providers such as NHBC and mortgage lenders increasingly expect ground information before foundations are designed, especially on shrinkable clay, made ground or sloping sites. The British Geological Survey publishes shrink-swell susceptibility data, and large parts of the South East and the Midlands sit on high-plasticity clays. France went further with its ELAN law, which since 2020 forces sellers of building plots in clay risk zones to provide a preliminary study, and the same logic is spreading through lenders and insurers elsewhere.
A homeowner or self-builder is a new kind of client for the profession: they do not know Eurocode 7, they want a price and a date, and they compare three or four firms found on Google. Developers are more technical but just as rushed.
| Service | Typical client | UK price (2026 ballpark) | Report turnaround |
|---|---|---|---|
| Phase 1 desk study | self-builder, homeowner, land seller | 800 to 1,800 GBP | 2 to 4 weeks |
| Combined desk study and walkover | small developer, architect | 1,200 to 2,500 GBP | 3 to 5 weeks |
| Intrusive ground investigation, single plot | house builder, self-builder | 3,000 to 10,000 GBP | 3 to 6 weeks |
| Geotechnical design report, multi-plot | developer, structural engineer | 6,000 to 20,000 GBP | 4 to 8 weeks |
| Subsidence investigation | homeowner, insurer, loss adjuster | 2,000 to 6,000 GBP | 3 to 6 weeks |
What the website must do to capture enquiries
Too many consultancy sites look like a brochure: a list of services, a photo of a drilling rig and a phone number. Visitors now expect a journey that qualifies and reassures them. Each feature below answers a specific question.
| Feature | Visitor's question | Benefit to the firm |
|---|---|---|
| Shrink-swell clay map for your region | is my plot affected? | local SEO traffic, credibility |
| Quote form keyed to address or title number | how much and when? | pre-qualified brief, location and plot size known |
| Price ranges per service | can I afford it? | fewer unqualified calls |
| Pages per town or county | does this firm cover my area? | ranking on local searches |
| Plain-English guide to desk study vs ground investigation | which study do I need? | fewer wrong orders |
| Upload area for drawings | where do I send the plans? | engineer time saved |
| Anonymised sample reports | what does the deliverable look like? | trust from architects and lenders |
The plot-based form is the centrepiece. The visitor enters an address or postcode, the site shows the area, an approximate plot size and the clay susceptibility level, then asks about the project type. The engineer receives a complete brief and can price it in 10 minutes instead of a 30-minute phone call.
Budget and timeline
Kolonell builds this kind of site on its standard grid. The tier mainly depends on the interactive map and the number of local pages.
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| Kolonell tier | Range | Typical scope |
|---|---|---|
| Starter | 800,000 to 1,200,000 FCFA (1,220 to 1,830 EUR) | 5 to 8 pages, services, structured quote form |
| Growth | 1,200,000 to 2,000,000 FCFA (1,830 to 3,050 EUR) | local pages, price ranges, technical blog, enquiry tracking |
| Premium | 2,000,000 to 3,500,000 FCFA (3,050 to 5,340 EUR) | clay susceptibility map, plot lookup, drawing upload, advanced local SEO |
| Maintenance | 35,000, 75,000 or 120,000 FCFA a month (53, 114 or 183 EUR) | updates, security, small changes |
| Monthly SEO | 100,000, 200,000 or 350,000 FCFA a month | local content, ranking tracking |
The 5 to 7 week timeline runs: workshop with the director and one engineer (week 1), structure and mockups (week 2), form and map development (weeks 3 to 5), service and local page copy (weeks 4 to 6), testing and launch (week 7). For comparison, a UK agency typically quotes 6,000 to 15,000 GBP for a similar scope (2026 ballpark).
Mini case study
James, director of a 7-person geotechnical consultancy in Reading, gets 15 enquiries a month, half of them phone calls with no usable details. He wins 5 jobs at an average of 2,400 GBP: 12,000 GBP a month.
After a Premium-tier site at 3,500,000 FCFA (5,340 EUR), his local pages and clay map bring 8 extra enquiries a month, already qualified by address and plot size. At a one-in-four win rate, that is 2 more jobs, or 4,800 GBP of additional monthly revenue. The site pays for itself within the first month of new wins, and each engineer saves about 20 minutes per enquiry thanks to pre-filled briefs.
FAQ
Should a geotechnical firm publish prices? Yes, as ranges per service, for example 800 to 1,800 GBP for a desk study. Visitors who know the ballpark before requesting a quote convert more often and haggle less.
Is the clay map hard to build? No, published shrink-swell susceptibility data can be displayed on a lightweight map; licensing terms for the dataset are checked at project start. Allow 3 to 5 days of development at Premium tier.
Does the plot form work on mobile? Yes, it is designed to be completed in under 2 minutes on a phone. More than half of homeowner enquiries come from smartphones.
How many local pages should we create? Start with 8 to 12 towns you already cover, then add 2 to 3 a month. Each page needs real local information: geology, typical soils, planning constraints.
How do we reach architects and estate agents? A dedicated page explaining when ground information is needed, with a guaranteed 2 to 4 week turnaround, is easy to share. It becomes a resource architects forward to their clients.
Let's scope your project. Tell us about your services, the areas you cover and how you price jobs, and we will scope a site with a plot-based quote form deliverable in 5 to 7 weeks. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
