Greater London · London and the South East
Roof leak investigation in Rowley Green, Greater London
Tracing where water is getting into your roof around Rowley Green, with findings in writing and pictures to back them up. Weekday and weekend visits available.
- Damp walls below an overflowing gutter
- Leaks that appear only in driving rain
- Drips in the loft during heavy rain
How we price roof leak investigations
To price your survey, we check:
- If the survey needs thermal imaging or a drone
- Basic, Standard or Premium
- How big the roof is
- The type of building, from a house to a block or an office
Price depends partly on the package: Basic from £150, Standard from £250 or Premium from £400, all with VAT included. The roof’s size, height and access matter as well.
Getting in touch
These details help when you get in touch:
- Any photos you have, taken from the ground or a window
- What made you get in touch
- Any marks or damp showing indoors
- Access details, such as a loft hatch or a shared roof
To book a survey, phone 07833 053749 or drop us an email and let us know the address and what’s prompted the survey. We’ll confirm the price before booking.
Roof leak investigations for homes and businesses in Rowley Green
Flat roofs leak in their own ways. Common causes are splits and blisters, tired upstands and outlets that don’t drain. Ponding water makes any weakness worse. We check the roof surface and the ceiling below to narrow it down. Flat roofs over extensions, garages and dormers are frequent sources of leaks. An ageing felt roof is a frequent culprit. We survey slate and tile slopes, rooflights and dormers and chimney stacks, and the problems we’re asked to look at most are brown rings on upstairs ceilings and water coming in around a roof light or dormer.
In a London flat, water can travel some way before it shows, sometimes in a different flat from the one below the defect. That makes the source hard to pin down, and finding it matters for whoever has to deal with it. We check what we are given access to in Rowley Green, inside and out. It is useful to know when the water appears and in what weather.
The Standard Survey adds moisture detection, a structural check and a follow-up consultation. The Premium Survey goes further, with thermal imaging, drone inspection where applicable, structural analysis and an in-person consultation.
- Where
- Rowley Green (EN5)
- Region
- Greater London
- Price
- From £150 inc. VAT
- Report
- Written, with photos, emailed to you
- Survey days
- Weekdays and weekends
- Cover
- Professional indemnity and public liability
- Call
- 07833 053749
- Updated
- 27 October 2026
Common questions in Rowley Green
Do you carry out roof surveys in Rowley Green?
Yes, Rowley Green is one of the places we work. Every survey there gets the same written report with photographs, and visits run on weekdays and weekends.
Can parking be tricky for a visit in Rowley Green?
It can be, so it helps to let us know about permits, visitor bays or off-street space when booking. That way the visit can be planned around it.
Does the report include photographs?
Yes, plenty. Pictures sit next to the findings they show, so you can see what we mean.
Is the repair included in the leak investigation?
The investigation is about finding the cause. The repair itself is a separate job. You get a report with photos showing where the water is getting in and what needs attention, which whoever carries out the work can follow.
Will you definitely find the leak?
Not always, and we’ll be honest about that. Some leaks hide well, particularly those that need wind-driven rain. Where the source is not certain, we list the likely routes in order.
Do you carry professional indemnity insurance?
Our cover is professional indemnity plus public liability, and details are available on request.
Could my leak actually be condensation?
It’s a common question. A leak usually shows in one area and follows rain, while condensation is frequently widespread and worst on cold days. The report explains which it looks like and what to do.
Roof by roof
Flat roof upstands and outlets
Upstands seal the edge of a flat roof where it meets a wall. A low or cracked upstand is a common way in.
Slate and tile slopes
A gap in the coverings exposes the underlay. Ageing felt eventually lets water through.
When to book a survey in Rowley Green
Valleys carry a lot of water. Worn lead, cracked linings or a build-up of leaves and moss can push water under the slates or tiles. The stain may appear well away from the valley itself.
Here are some of the things we see often:
- Staining around the chimney inside
- Water that shows only in certain storms
- Leaks at a dormer or roof window
- Leaks below a flat extension roof
Anyone responsible for a site like Saffron Green Primary School will know that on a building that size, finding the source of a drip means looking well beyond the stain.
Questions to ask before you book
- How soon the report will arrive
- Will they check the loft as well as the outside?
- Is there a chance to talk the report through?
- What they will not be able to tell you
Landlord and commercial surveys in Rowley Green
Freeholders and residents’ companies use a roof report to plan and budget.
An agent can book and manage the survey for a landlord, and the report can go to both. We agree a time with the tenant beforehand.
How the survey works
Time on site depends on the size and shape of the roof; as a rough guide, the survey takes between one and two hours on an ordinary house, while a commercial roof takes nearer three to four hours. If you have questions on the day, just ask. In Rowley Green, visits are available on weekdays and at weekends. London parking is often by permit or pay-and-display, so it’s useful to know what’s near you, and to clear a path to the loft hatch. A back bedroom window can be the best vantage point for a rear addition, so we may ask to use one.
- You pick a Basic, Standard or Premium Survey.
- We agree a date, including weekends.
- The investigation works from the stain back to the roof.
- Moisture detection and thermal imaging are used where your package includes them and they help.
- The report explains the likely entry point and what needs attention.
Before the survey
- Make a note of anything you’d like us to look at
- Clear the way to the loft hatch
- For flats, check roof access has been agreed
Arrange a survey
Surveys can be booked for weekdays, Saturdays or Sundays. To arrange a day that suits you, ring 07833 053749 or send us an email.
Related advice
What this survey cannot tell you
We only report everything that’s safely in view on the day, so there are some things a survey can’t cover:
- Defects hidden under coverings or inside walls without opening up
- A structural engineer’s report
- The repair itself (the investigation finds and reports the cause)
Not sure which survey suits your roof? You can call 07833 053749 or use the contact form and we’ll tell you. The full list of what we check.
Roof types and parts we check
- The roof space
- Lead flashings
- Slate and tile slopes
- Valleys and parapet gutters
- Flat roof details
- Rooflights and dormers
- Chimney stacks
Roof leak investigations in Rowley Green: local notes
Outer London has plenty of Victorian and Edwardian terraces with slate roofs, but also a great many interwar semis, often with hipped roofs in clay or concrete tiles. Hips, bay roofs and later loft conversions are typical of those semis, if your home is one of them. Different coverings let water in at different points, which shapes where the search starts. Wyllyotts Manor, about 3.7 miles north-east, is one of the historic houses in the wider area around Rowley Green. If your house is among the older ones, expect a mix of original materials and later repairs on the roof, and any change of roofing material on a listed home needs checking with the council first.
The streets around a church like Holy Cross are frequently among the oldest in a place, and if your home is one of the older ones nearby, water on an older roof tends to find its way in at the lead, the valleys or the chimney. If you live near a park like Barnet Gate Wood, or anywhere with mature trees, autumn leaves can block gutters and valleys, and an overflowing gutter soon means a wet wall.
Rowley Green is about 1 mile east of Borehamwood, in Greater London. Houses, flats, blocks and commercial buildings in Rowley Green can all book roof leak investigations. Rowley Green is one of the places in Greater London where we work for roof leak investigations. There’s also a page for London.
We work across the EN5 postcode area for roof leak investigations. Neighbouring places we cover for roof leak investigations include Arkley (1 mile south-east), Well End (1 mile north-west), Borehamwood (1 mile west), Deacon's Hill (2 miles south-west) and High Barnet (2 miles east). Further out, we also cover London (13 miles south-east), City of Westminster (10 miles south), Marylebone (10 miles south-east), Kensington (11 miles south), St Pancras (10 miles south-east) and Shoreditch (11 miles south-east).
What’s near Rowley Green
In Rowley Green, that means homes and buildings near Barnet Gate Wood and Elstree University Technical College, among other places. The nearest railway station is Elstree & Borehamwood station, roughly 1.4 miles west of the centre. A little further out are Hilfield Castle (3.8 miles west) and Barnet General Hospital (1.4 miles east). Not far away are Darland's Lake and Rowley Lodge Field.