Hertfordshire · London and the South East
Baldock Electronic Leak Detection
Find out what’s going on with the flat roof membrane before you spend money on it. We carry out electronic leak detection in Baldock.
- Damp inside with no sign on the roof
- Water coming in under a flat roof
- Waterproofing to test before it’s covered
Practical tips
A survey works best with a little help from you, before and after. Some tips:
- Get leaks traced quickly
- Check new waterproofing before handover
- Use boards when working on the roof
- Clear flat roof outlets regularly
If water has been getting in, insulation under the membrane may be wet. That is something to discuss with your roofer, and moisture readings can help.
Do not leave a flat roof leak running. Water under a membrane can spread.
How electronic leak detection works in Baldock
Our ELD testing covers flat roofs in Baldock and the rest of London and South East England. A visit typically takes a time that depends on the size of the roof and how it’s built, and we’ll give you a guide when quoting. We quote electronic leak detection for each roof, as the method and time depend on the roof. The results come in a written report with photos. We survey commercial flat roofs, single-ply roofs and green roofs, and the problems we’re asked to look at most are leaks that return after repairs and new membranes needing a check before handover.
In a smaller place like Baldock, some flat roofs sit in the open, so wind catches loose edges and trims. Felt and bitumen also age in strong sun. Splits, blisters and lifting edges are what to look out for, along with water that sits after rain. A flat roof that still holds water days after rain is also worth a closer look.
The report records the flat roof membrane as we found it on the day. It is useful right away, and a good reference for later, for instance when you want to check whether anything has changed.

- Where
- Baldock (SG7, SG6)
- Region
- Hertfordshire
- Cost
- Quoted for your roof
- Report
- A written report with photos, by email
- When we survey
- Weekdays, Saturdays and Sundays
- Insured
- PI and public liability insurance
- Phone
- 07833 053749
- Last updated
- 27 October 2026
Baldock questions
Is Baldock in the area you cover?
Yes, Baldock is within the area we cover. We work right across London and South East England. Just call 07833 053749 or use the contact form and let us know about the property, and we will talk through which survey suits.
Will you come out to Baldock?
Yes, Baldock is on our map. Villages and rural addresses get the same survey as a town house, with the route planned beforehand.
How many surveys have you done?
We’ve been surveying roofs for over 20 years and have carried out more than 5,000 surveys.
Can every flat roof be tested?
That depends on the roof’s membrane and layers. Share any details you have and we’ll check whether ELD will work.
How do I book a survey in Baldock?
To book, ring 07833 053749 or use the contact form and tell us the address and what you’d like to know. We will confirm the price and agree a day with you.
Is this a RICS survey?
No. We are experienced roof surveyors, and our survey covers the roof rather than the whole building. For the rest of the building, a RICS home survey is a separate job.
I live in a flat. Can you survey the roof?
Yes, if the building owner or managing agent agrees access. On a shared roof we can only inspect the parts we are allowed to reach, and the report makes that clear.
What happens on the day
It is useful to start with what’s prompted the survey: buying, a leak, storm damage, new work or just wanting to know where things stand. It helps us focus on what matters most to you. The visit typically takes as long as needed for the roof’s area and construction, which we set out in the quote. A visit to a smaller place like Baldock is no different on the day: we look from the ground, from windows, from the loft and from the roof where it’s safe. Point out any stains, cracks or loose pieces you’ve spotted.
- First, we confirm which roof areas are included.
- The surface is prepared for the chosen method.
- We work across the roof with the test equipment.
- Each breach found is located and recorded.
- The report is sent for your roofer to act on.
Getting ready for the survey
- If the roof is shared, arrange access with whoever manages the building
- Have keys ready for side gates, garages or roof access doors
- Have any paperwork from past roof work to hand
How to book
Buyers should book once an offer has been accepted, so there’s time to use the report before exchange. For any other survey, just ring 07833 053749 or use the contact form when you’re ready.
Related advice
Why act early in Baldock
Some flat roof leaks come from walls or details. Testing shows whether the membrane is breached, so other causes can be checked. Around Baldock, a leak in an older house can soak into timbers and plaster, which is far harder to put right than the roof fault itself.
For a price for your roof in Baldock, ring 07833 053749 or email us with the address and some details. We will confirm the figure before booking.
What you get with us
- Every finding written up with photos
- 5,000+ roofs surveyed
- Covered by professional indemnity and public liability insurance
- We hold a CAA Flyer ID and Operator ID
Read what a roof survey costs and our case studies.
Flat roofs in Baldock
With Hinxworth Place about 3.6 miles north, Baldock sits in an area with a long building history. Period homes nearby can have lead valleys, tall chimneys and a patchwork of past repairs. In this part of the South East, older roofs are mostly slate or clay tile and many newer ones concrete tile. Alongside them, flat-roofed extensions, dormers, garages and commercial units are common almost everywhere.
For site and facilities teams at buildings such as Hartsfield Junior Mixed and Infant School, ponding and blocked outlets on a wide flat roof are worth catching before the next wet season. If your home is one of the older ones in the streets near Church of St. Mary the Virgin, later flat-roofed additions are common on older houses, and their edges and upstands frequently show the first signs of wear. If you own a rental within reach of Baldock station, flat roofs on let property tend to be checked only when they fail, which is the costly way round.
Baldock is about 2 miles north-east of Letchworth, in Hertfordshire. Baldock is part of the area we cover and the surrounding area as part of our work across London and the South East. Baldock is one of the towns and villages in Hertfordshire we cover for electronic leak detection. For surveys nearby, see our Milton Keynes page.
Postcode districts we cover here for electronic leak detection: SG7 and SG6. That includes homes and businesses on High Street, Station Road and London Road. Main roads around Baldock include the A507 and B197, so getting to you is simple. We also cover the places around Baldock: Clothall (2 miles south-east), Weston (2 miles south), Wallington (3 miles east), Rooks Nest (4 miles south) and St Nicholas (5 miles south). Larger places within reach include Stevenage (6 miles south), Welwyn Garden City (13 miles south), Harpenden (14 miles south-west), Hitchin (5 miles south-west), Hertford (14 miles south) and Ware (14 miles south-east).
Around Baldock
Typical jobs here are in homes near Norton School, The Knights Templar School and The White Lion Public House, among other places. There is a railway station in Baldock itself: Baldock station. Well-known places in the area include Fairfield Hospital (2.8 miles west) and First Garden City Heritage Museum (1.8 miles south-west). Green spaces nearby include Purwell Ninesprings.
Can I check my roof myself?
You can learn a lot from ground level. With binoculars, look for slipped or missing slates and tiles, gaps along the ridge and leaning chimneys. Never climb onto the roof to look.
Inside, the loft is a good place to look, with care. Use a torch and stay on the joists or boards, checking for stains, damp wood or chinks of daylight.
Also near Baldock
More services for Baldock
What a survey costs
Not every roof costs the same to survey, for these reasons:
- How big the roof is
- The shape of the roof and its details
- The use of thermal imaging or a drone
- House, block, shop or office
Larger roofs, taller buildings and commercial roofs take longer, so they’re priced to match. The price is confirmed before booking.
Getting in touch
A little information up front helps. Please include:
- Any stains, drips or damp patches you’ve seen indoors
- The address and postcode of the property
- What made you get in touch
- The kind of building and roof involved
Every survey is priced before it’s booked, so you know where you stand. We quote electronic leak detection for each roof, as the method and time depend on the roof. To book, phone 07833 053749 or use the contact form.
What we can’t see
It’s useful to know what a survey will not do before booking:
- Leaks from plumbing or windows
- Sections we can’t safely access
- Build-ups without a suitable layer below
If you are not sure which survey you need, ring 07833 053749 or email us and we will give you a straight answer before you book. The full list of what we check.
Roof types and parts we check
- Roof terraces and balconies
- Commercial flat roofs
- Liquid-applied waterproofing
- Single-ply roofs
- Flat roof membranes
- Green roofs