Drainage Defect & Flooding Investigations
If the same drain keeps blocking, flooding or smelling, it needs diagnosing, not just clearing again. We find the cause and show you where it is.
Call Us For A Free Quote 0345 548 5451- Surveyors based in Glasgow & Falkirk
- Graded defect reports & footage
- Drain mapping & CAD drawings

Drainage defect & flooding investigations in Glasgow, Edinburgh & Central Scotland
Repeat drainage problems on commercial sites are usually symptoms of something specific: a collapsed section, a root mass, a displaced joint, a backfall, an undersized pipe, a misconnection or a grease build-up. Clearing the blockage again treats the symptom; a CCTV investigation finds the cause.
We carry out drainage investigations across Central Scotland for facilities managers, landlords and site operators, with independent reports that set out what is wrong and what is needed to fix it.
Find out more about our PAS128 utility surveys, GPR surveys, topographical surveys and drainage surveys across the UK on the main Ambler Group website.
Contact usProblems we investigate
Each investigation is planned around the symptom. We trace the affected drainage, CCTV the lengths involved, and record the defect, its position and depth so the repair can be scoped accurately and the excavation kept to a minimum.
- Recurring blockages and slow drainage
- Internal or external flooding and surcharging gullies
- Drainage odours in buildings
- Subsidence, sinking surfaces and suspected leaking drains
- Rodent ingress through defective drainage
- Foul and surface water misconnections
Misconnection surveys
Foul drainage connected to a surface water system – or surface water into foul – is common after extensions, conversions and change of use, and can cause pollution of watercourses or overloading of foul systems. We trace connections with CCTV and dye testing where appropriate and show every misconnection on a plan so it can be corrected.
Independent findings
Because we survey but do not carry out repairs, our findings are independent. That makes them useful where a landlord and a tenant, or neighbouring owners, need an objective view of what has failed and why.
Who uses this survey
- Facilities managers dealing with repeat call-outs
- Landlords and managing agents
- Commercial property and estates teams
- Retail, hospitality and food operators
- Industrial site operators
What you receive
- Clear diagnosis of the cause, with photographs and footage
- Location and depth of defects marked on a plan
- Recommended repair options
- Misconnection plan where relevant
- Independent written report of our findings
How it works
- 1
Send us the site
Email a site plan or marked-up aerial with the areas and runs you need covering, plus access notes.
- 2
Fixed quote and RAMS
We confirm scope, days on site and any jetting, and issue site-specific RAMS for your induction.
- 3
Survey on site
Our surveyors attend from our Glasgow and Falkirk bases, set out traffic management where needed and survey the network.
- 4
Report and drawings
You receive the report, footage and drawings in formats your team or client can use straight away.
Drainage defect & flooding investigations across Central Scotland
Our surveyors are based in Glasgow and Falkirk. Choose your area for local information.
Drainage surveys in Glasgow
Commercial and contractor drainage surveys across Glasgow city and the surrounding estates, delivered by surveyors based in Glasgow.
View areaDrainage surveys in Edinburgh
Commercial drainage surveys for Edinburgh offices, retail, hospitality, estates and construction sites – with an Edinburgh address and surveyors close by in Falkirk.
View areaDrainage surveys in Falkirk & Grangemouth
Industrial and commercial drainage surveys across Falkirk district, from surveyors based in Falkirk itself.
View areaDrainage surveys in Cumbernauld
Commercial, industrial and construction drainage surveys across Cumbernauld, Kilsyth and the M80 corridor – 20 minutes from our Falkirk and Glasgow surveyors.
View areaDrainage surveys in Stirling
Commercial, public-sector and construction drainage surveys across Stirling and Clackmannanshire, minutes from our Falkirk base.
View areaDrainage surveys in Perth
Commercial, industrial and construction drainage surveys across Perth and Perth & Kinross, reached quickly from our Falkirk base via the M9 and A9.
View areaDrainage defect & flooding investigations in Central Scotland | Frequently Asked Questions
Q1: Do you clear blockages?
A: We are surveyors, not a drain-clearing firm. Where a run is silted or blocked, we jet it before surveying so the camera can pass, then report what we find and what needs doing.
Q2: Will the report show what is causing the problem?
A: Yes. The report sets out each defect, its location and depth, with photographs, footage and our recommendations.
Q3: How do you find misconnections?
A: We trace connections using CCTV and, where appropriate, dye testing from sinks, WCs and gullies, then record each connection on a plan.

Need a service & ready to book? Call us 0345 548 5451
Email usWhy choose Ambler Group for your drainage surveys in Central Scotland?
Surveyors based in Scotland
Our surveyors work from Glasgow and Falkirk, so your site in Central Scotland gets a local Scottish team who know the area – not a crew driving up from England.
Surveyors, not drain clearers
We survey and report rather than sell repairs, so our findings and recommendations are independent and written for FMs, landlords, designers and contractors.
Everything in one visit
CCTV drainage, PAS128 utility, GPR and topographical surveys from one team, with one set of RAMS and one coordinated set of drawings.
If you’re looking for reliable, professional CCTV drainage surveys in Central Scotland, contact us today!
Related drainage surveys
Drainage condition surveys (FM & PPM)
Planned condition surveys that turn drainage into a budgeted, prioritised maintenance plan.
Find out moreDrain mapping & tracing
Accurate drainage plans with levels and depths, where records are missing or wrong.
Find out morePre-acquisition & dilapidations surveys
Drainage evidence for buying, letting or handing back commercial property.
Find out moreGuides for this survey
CCTV Drainage Survey, Drain Mapping or Utility Survey: Which Do You Need?
What each survey tells you, when you need it, and when to combine them.
Read the guide GuideHow to Read a CCTV Drainage Survey Report
What the codes, grades, photos and drawings mean, and which findings to act on first.
Read the guide GuideYard Flooding on Commercial Sites: Causes and How to Find Them
The usual causes of standing water on yards, car parks and loading bays, and how a survey pins them down.
Read the guideOther surveys we provide in Central Scotland
Ambler Group is a full surveying company. Book your drainage survey alongside any of these and get one team, one set of RAMS and one coordinated set of drawings.
PAS128 Utility Surveys
Locating and mapping buried services – water, gas, electric, telecoms, drainage – to PAS128 quality levels before you dig.
Find out moreGPR Surveys
Ground-penetrating radar for non-metallic services, voids, and concrete scanning (ferroscanning) of slabs and structures.
Find out moreTopographical Surveys
Measured site surveys of levels, features and boundaries in CAD, ready for design, planning and setting out.
Find out moreDesktop Utility Searches
Statutory record (STATs) searches from asset owners, compiled into a single pack before site works or design.
Find out moreBorehole Clearance
Service clearance of borehole and trial pit positions for site investigation contractors.
Find out moreDrainage Surveys (UK-wide)
Our main drainage survey service page, covering CCTV drainage surveys and drain mapping across the UK.
Find out moreClients Reviews
“I contacted Ambler group for help and advice and they found me the perfect solution saving me money. Such a friendly and professional team I’d highly recommend them to anyone needing to locate underground services.”
Ambler Group client – CCTV and utility survey
Contact Us
Book a drainage survey
For a fast, fixed quote, send us:
- The site address or postcode
- A site plan or marked-up aerial image showing the areas to survey
- What the survey is for – purchase, design, handover, maintenance or a defect
- Access notes – working hours, permits, inductions
We usually come back with a fixed quote the same or next working day.
Locations:
5 South Charlotte Street,
Edinburgh EH2 4ANAmbler Group Limited
Springfield House, Springfield Road,
Horsham RH12 2RGCompany registration number: 12568344
Surveyors based in:
Glasgow and Falkirk, covering Glasgow, Edinburgh, Falkirk, Cumbernauld, Stirling, Perth and the rest of Central Scotland.