Hertfordshire · London and the South East
High Wych Roof Leak Investigation
Tracing where water is getting into your roof in High Wych, carried out by an experienced roof surveyor. You get a clear written report with photos.
- Wet patches high on an inside wall
- Water dripping from rafters or underlay
- Stains around a skylight
High Wych: your questions answered
Do you cover High Wych?
Yes, High Wych is within the area we cover. We cover the whole of London and South East England. You can call 07833 053749 or send us an email with the address and some details.
Is my home in High Wych listed or in a conservation area?
You can check whether a building is listed on Historic England’s list, and your council can tell you if it is in a conservation area. If a home is listed, changes that affect its special interest need listed building consent, and in a conservation area re-roofing in different materials may need permission.
Why is the stain in a different place from the leak?
Rain that gets in will run along whatever it lands on. On a flat roof it can travel under the covering before it shows. Following that route is what our investigation does.
What should I do before you arrive?
Note when the leak appears and what the weather was doing. Move stored items away from the loft hatch. Keep away from any light or socket that water is reaching.
How do I book a survey in High Wych?
To arrange a survey, call 07833 053749 or send us an email with the address, the type of property and what’s prompted the survey. We will confirm the price and find a day that suits.
What’s in the survey report?
It works through the roof part by part, in writing and with photos. Points are put by urgency where it matters.
Will you walk on the roof?
Only if it’s safe. We look at everything that can safely be seen: from ground level, from windows and vantage points, from the loft space, from the roof itself where safe and by drone where applicable. Anything we cannot see is noted in the report.
Roof leak investigation in High Wych
Not every drip is a leak. Condensation in a cold, poorly ventilated loft can drip from nails and timbers, and the stains look much like a leak. Telling the two apart matters, because they need very different work. The pattern of the damp, the ventilation and the timing all help us decide. Typical surveys look at water coming in around a roof light or dormer and brown rings on upstairs ceilings, on rooflights and dormers, lead flashings and flat roof details.
Roofs in small places like High Wych often stand in the open, so storms hit ridges, verges and chimneys hard. Damp in old stone, brick or timber walls is slow to dry out, which makes finding the cause quickly worthwhile. A written record also helps if you need to explain it to anyone else.
The report works through the roof section by section, from the coverings down to the gutters, with a note and a photo for each point. It records what’s sound as well as what isn’t.

- Location
- High Wych (CM21)
- Region
- Hertfordshire
- Prices
- From £150 inc. VAT
- Your report
- Written, with photos, emailed to you
- Appointments
- Weekdays, Saturdays and Sundays
- Insurance
- PI and public liability insurance
- Call
- 07833 053749
- Last updated
- 27 October 2026
Why act early in High Wych
A leak rarely stays small. Damp spreads into rafters, ceilings and insulation. Finding the source early keeps the damage down. For an older or listed building in a place like High Wych, repairs may need matching materials and consent, so a defect found early gives time to plan the work properly.
Thermal imaging and drone inspection (where applicable) come with the Premium Survey, which starts from £400, with VAT included. We can help you choose the package that fits what you need to know.
Why book with us
- Plain-English reports with photos
- Package prices that include VAT
- Independent findings on the roof’s condition
- 5,000+ surveys completed
See what a roof survey costs and our case studies.
Towns and villages near High Wych
More services for High Wych
What a survey costs
A few things affect what a survey costs:
- How tall the building is and how easy the roof is to see
- The size of the roof
- Extensions, dormers and garages with roofs of their own
- The package you choose: Basic, Standard or Premium
Our price is from £150, including VAT. Basic starts from £150, Standard from £250 and Premium from £400, VAT included.
Helping us price your survey
A little information up front helps. Please include:
- When you need the report by
- Access details, such as a loft hatch or a shared roof
- Where the property is, with the postcode
- The kind of building and roof involved
Surveys can be booked for weekdays, Saturdays or Sundays. To arrange a day that suits you, phone 07833 053749 or send us an email.
Roof leak investigations around High Wych
Older houses in the South East often have slate or clay tile roofs, while many later estates have concrete tiles. Different coverings let water in at different points, which shapes where the search starts. With Much Hadham Palace about 3.9 miles north-west, High Wych sits in an area with a long building history. Older homes in the wider area often have features worth a closer look, such as lead valleys, tall stacks and roofs that have been patched over the years, and the council can say whether a home is in a conservation area.
Anyone responsible for a site like High Wych Church of England Primary School will know that tracing a leak on a big roof starts with where the water appears and works back. Trees in and around Gibberd Garden shed leaves that can end up in nearby gutters, and an overflowing gutter soon means a wet wall.
High Wych is about 3 miles north of Harlow, in Hertfordshire. If you are in High Wych, booking works exactly as it does anywhere else: a call or an email, a price, then a date. Our area takes in places right across Hertfordshire. You can also see our page for Chelmsford.
All of CM21 is within our area for roof leak investigations, from the main roads to the quietest streets. We offer roof leak investigations to properties on Mansfield, High Wych Lane and Broadfields and the roads around them. If you are just outside High Wych, we cover Sawbridgeworth (1 mile east), Lower Sheering (2 miles east), Allen's Green (2 miles north), Spellbrook (2 miles north-east) and Sheering (3 miles east). We also work in nearby towns such as Stevenage (15 miles north-west), Bishop's Stortford (4 miles north), Welwyn Garden City (14 miles west), Hoddesdon (7 miles south-west), Cheshunt (10 miles south-west) and Hatfield (15 miles west).
Near you in High Wych
Around High Wych, our work takes us to homes and buildings near The Half Moon Public House, Leventhorpe and Gibberd Garden, among other places. For rail, the closest station is Harlow Mill station, about 1.3 miles south. Well-known places in the area include Harlow Mill (1.3 miles south) and Princess Alexandra Hospital (3 miles south-west). For a walk, there is Sawbridgeworth Marsh.
Do you need a roof leak investigation in High Wych?
Condensation is often mistaken for a leak. Moist air from bathrooms and kitchens condenses on the cold underside of the roof, particularly where ventilation is poor. Wet nail tips and damp underlay over a wide area are classic signs.
Problems we come across often include:
- Brown rings on upstairs ceilings
- Drips in the loft during heavy rain
- Staining around the chimney inside
- Stains around a skylight
If you let a flat or house near Harlow Mill station, finding the cause of a leak fast keeps a tenant’s home dry and the work focused.
What to check before booking
- Whether any drone flown is registered with the CAA
- Will they check the loft as well as the outside?
- Is VAT included in the price?
- Their track record with similar roofs
What we do, step by step
Expect us to ask a few questions before we start, about the roof’s history, any leaks and past repairs. Then the inspection itself takes between one and two hours, more where the leak is intermittent or the roof is large. Rural addresses near High Wych can be hard to find from a postcode alone, so a few directions, or a note of a nearby landmark, help us arrive on time. After that, the survey runs as it would anywhere.
- We start with your notes and photos of the leak.
- Inside, we check the stain and the ceiling around it.
- From the roof space, we trace the water’s route where there is safe access.
- Outside, we check flashings, valleys, chimneys, gutters and flat roof details from each safe vantage point.
- We email a written report showing where the water most likely gets in.
Preparing for the visit
- Check pets are kept safely away
- Point out any leaks or damp patches
- Have any questions written down, so nothing gets missed
Getting a price
A quick phone call is usually the easiest start: phone 07833 053749 or use the contact form and we will ask a few questions about the roof. The price is agreed before a date is set.
Read more
Checking the roof from the ground
What you can’t do safely is get up close. Roofs are fragile and slippery, and a fall can be serious. That part is for a survey.
Inside, the loft is a good place to look, with care. Take a torch and only step on boards or joists, checking for stains, damp wood or chinks of daylight.
Before and after the survey
Over many surveys, some simple habits stand out:
- Let us know if there are tanks or pipes in the loft
- Write down the wind direction and rain when it leaks
- Keep water away from lights and sockets
- Make sure the loft is accessible
With the Standard Survey you get a follow-up consultation, and Premium includes an in-person consultation. It is a chance to ask about anything in the report.
After a storm, check the roof from the garden and the street. Slipped slates, lifted ridge tiles and debris on the ground are signs to act on. Prompt repairs stop gaps turning into leaks.