Hertfordshire · London and the South East
Roof leak investigation in Childwick Green, Hertfordshire
Find out what’s going on with the leaking roof before you decide what to do next. We carry out roof leak investigations in Childwick Green, with photographs and a clear written report.
- Drips from nail tips in a cold loft
- Leaks that appear only in driving rain
- Damp patches next to the stack
Roof leak investigation in Childwick Green
Our roof leak investigations cover Childwick Green and the wider South East. We visit on weekdays and at weekends. The investigation covers inside and out, from the stain to the likely entry points. The findings come in a written report with photos. If water is coming in now, catch it in a bucket and keep it away from lights and sockets, then call 07833 053749 or use the contact form. We are often asked to look into staining where a gutter or parapet meets the wall and ceiling stains that grow after rain, on flat roof details, valleys and parapet gutters and slate and tile slopes.
For a small place like Childwick Green, the inspection is the same as anywhere: the journey and access are just planned beforehand. Tell us where the water shows, when it appears and anything you’ve noticed outside, plus any earlier repairs. Photos of the stain and of the roof from outside are helpful too.
It isn’t only a list of defects. For each finding, it explains what it is, why it matters and what we’d recommend, so you can decide what to do next.

- Place
- Childwick Green (AL3)
- Wider area
- Hertfordshire
- Prices
- From £150 inc. VAT
- Report
- Written, with photos, emailed to you
- Appointments
- Weekdays and weekends
- Cover
- Professional indemnity and public liability
- Phone
- 07833 053749
- Page updated
- 27 October 2026
What affects the price in Childwick Green
A few things affect what a survey costs:
- If the survey needs thermal imaging or a drone
- Whether you choose the Basic, Standard or Premium Survey
- House, block, shop or office
- Chimneys, valleys, parapets and other details
Prices start from £150, including VAT. Packages run from Basic at £150 through Standard at £250 to Premium at £400, including VAT, and we’ll tell you which fits.
Getting in touch
Getting the details right at the start saves time. It helps to include:
- The property’s address and postcode
- Pictures of the roof from a safe spot, if you have them
- Your timetable, such as an exchange date
- Access details, such as a loft hatch or a shared roof
If you’re buying, it is useful to book soon after your offer is accepted, so you have the findings in time to act on them before you exchange. For any other survey, just call 07833 053749 or send us an email when you’re ready.
Checking the roof from ground level
Watch the gutters in a downpour, from a window or the ground. Water spilling over the edge can be a sign of a blockage or a gutter that has dropped.
Keep a simple record: when leaks happen, ground-level photos and any past roof work. Send it with your enquiry, as it helps us focus the survey.
Common questions in Childwick Green
Does a conservation area affect roof work in Childwick Green?
Start with Historic England’s list for listing and your council for conservation areas. It is worth checking before planning roof work, as both can affect what’s allowed.
Do you cover Childwick Green?
Yes, Childwick Green is one of the places we work. The survey and report are the same in Childwick Green as anywhere else, and visits run on weekdays and weekends.
Why doesn’t the damp patch line up with the hole?
Rain that gets in will run along whatever it lands on. On a pitched roof it often runs down a rafter before it shows. Tracing that path is the heart of a leak investigation.
Do you survey roofs on blocks of flats?
Yes, once whoever controls the roof agrees access. On a shared roof we can only inspect the parts we are allowed to reach.
What happens after the survey?
The report arrives by email. With Standard there is a follow-up consultation; with Premium, an in-person consultation, so you can talk the findings through.
How long have you been surveying roofs?
We have more than 20 years’ experience and have carried out more than 5,000 surveys.
Do I have to be there for the survey?
Someone needs to let us in if we’re looking inside or in the loft. We will talk about access as you book.
What we are asked to look at in Childwick Green
When a slate slips or a tile cracks, the underlay takes the water. Ageing felt underlay eventually tears and lets water through, while some very old roofs have nothing under the coverings. On slate roofs, slipping is often caused by corroded nails.
These are some of the problems a survey can pick up:
- Water dripping from rafters or underlay
- Staining where a gutter or parapet meets the wall
- Ceiling stains that grow after rain
- Stains around a skylight
If you let a flat or house near Harpenden station, a clear finding on where water gets in helps you brief a roofer right away.
Questions to ask before you book
- What follow-up you get after the report
- Whether you get a written report with photos
- Are they insured for the work?
- How long the report takes to arrive
How the survey works
We photograph the roof as we go, so you can see in the report what we found and where. We take close-ups from wherever is safe. Most surveys take about one to two hours on an ordinary house, with bigger or more complicated roofs taking longer. In a small place like Childwick Green, access is usually the main thing to plan. Mention any outbuildings, barns or garages you want included, and anything about the roof you already know. Weekday and weekend visits are available.
- You let us know where the water appears, when, and what the weather was doing.
- Inside, we check the stain and the ceiling around it.
- From the roof space, we trace the water’s route where there’s safe access.
- Outside, we check flashings, valleys, chimneys, gutters and flat roof details from each safe vantage point.
- You receive a report with the likely source, photos and recommendations.
Getting ready for the survey
- Move anything stored under the loft hatch
- Make a note of anything you’d like us to look at
- Find any records of previous roof work
Getting a price
If you have photos of the roof, send them over. Take them safely from the ground or a window, and please don’t climb up for a closer look. To get started, call 07833 053749 or send us an email.
Related advice
Roof by roof
Chimney stacks
Chimneys let water in through pointing, flaunching, flashings and open pots. Each is checked from every safe viewpoint, and look for damp on the breast inside.
Parapet and box gutters
A butterfly roof drains to a central valley gutter. If that gutter or its outlet fails, water can come through the top-floor ceiling.
Landlord and commercial surveys in Childwick Green
For blocks of flats, a roof survey helps managing agents and residents’ management companies plan ahead. The report sets out what needs attention now and what can wait, which helps when budgeting.
Roof problems in a rented home affect tenants as well as the building. A survey shows what needs attention, so you can plan the work.
Wind, rain and roofs in Childwick Green
Slate and clay tile are the usual coverings on older South East houses, with concrete tiles on many later estates. Knowing the roof type helps narrow down where water may be getting in. About 0.4 miles south-west lies Childwickbury Manor, a reminder of how long the area around Childwick Green has been built on. Period homes nearby can have lead valleys, tall chimneys and a patchwork of past repairs, and the council can say whether a home is in a conservation area.
If you look after a shop, office or commercial unit, for instance near Village Arcade St Albans, a leak can close part of a shop or office, so finding the cause quickly matters. For an older house near a landmark such as Church of St Mary, leaks on older roofs often start at lead flashings, valleys or around old chimney stacks.
Childwick Green is about 2 miles south of Harpenden, in Hertfordshire. Childwick Green is one of many places we visit across Hertfordshire, for houses, flats and commercial buildings. Childwick Green is one of the places in Hertfordshire we cover. Our London page covers surveys nearby.
Surveys in AL3 work the same way as everywhere else we cover. Local streets include Childwick Green and School Lane. We also cover Ayres End (1 mile north-east), Bernards Heath (2 miles south), Sandridge (2 miles east), Marshalswick (2 miles south-east) and St Albans (2 miles south). Further out, we also cover Watford (9 miles south), Hemel Hempstead (5 miles south-west), Stevenage (11 miles north-east), Welwyn Garden City (7 miles east), Hitchin (12 miles north) and Hoddesdon (14 miles east).
Around Childwick Green
Typical jobs here are in homes near Three Horseshoes Public House and Margaret Wix Primary School, among other places. Childwick Green’s nearest station is Harpenden station, roughly 2.1 miles north of the centre. Nearby you’ll also find Harpenden Museum (2 miles north) and Village Arcade St Albans (2.3 miles south). Open spaces near Childwick Green include Verulamium Lake and Grebe House Wildlife Garden.