Greater London · London and the South East
Bentley Heath Roof Leak Investigation
Not sure what state the leaking roof is in? We carry out roof leak investigations in Bentley Heath and across Greater London.
- Damp ceilings under a flat roof
- Water marks that spread in wet weather
- Leaks at a dormer or roof window
What we look for on each type of roof
Parapet and box gutters
We check the linings, joints and outlets where we can see them safely, and look for signs of past overflowing.
Flat roof upstands and outlets
Each flat roof relies on its outlets to drain. A blocked outlet leaves water standing, which tests every joint. Outlets and the area around them are checked.
How a roof leak investigation works in Bentley Heath
Our roof leak investigations cover Bentley Heath and the wider South East. Surveys are carried out 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 it’s leaking right now, contain the water and keep it clear of electrics, then phone 07833 053749 or email us to arrange a visit. If you’re worried about leaks that appear only in driving rain and drips in the loft during heavy rain, we can find out what’s behind it, on lead flashings, flat roof details and valleys and parapet gutters alike.
London’s Victorian and Edwardian roofs have frequently been repaired many times. Insurers normally exclude wear and tear, so it helps to know whether damage is old or new. That is as true in Bentley Heath as anywhere in London. Photographs and a written account give you something specific to show an insurer, a landlord or a roofer.
How fast the report arrives depends on the package: the Basic Survey within 48 hours, the Standard Survey in 24 to 48 hours and the Premium Survey on the same day.
- Location
- Bentley Heath (EN5)
- Wider area
- Greater London
- Cost
- From £150 inc. VAT
- Reports
- Emailed report with photos and recommendations
- Appointments
- Weekdays and weekends
- Cover
- PI and public liability insurance
- Telephone
- 07833 053749
- Updated
- 27 October 2026
Why it is worth a survey now in Bentley Heath
Water and electrics do not mix. Keep away from any fitting that water is reaching. Finding where the water is getting in should follow right away. Behind a London parapet, a blocked gutter can sit full of water without anyone seeing it. When the stain finally shows, the damage underneath is frequently older than it looks.
Larger roofs, taller buildings and commercial roofs take longer, so they’re priced to match. The price is confirmed before you book.
Why book with us
- Every finding written up with photos
- A sub-250g drone, flown with a CAA Flyer ID and Operator ID
- Insured for professional indemnity and public liability
- Satisfaction rate of 98%
See what a roof survey costs and what we found on two real jobs.
Nearby places to Bentley Heath
More services for Bentley Heath
Rented homes, blocks and businesses
A roof problem in a let property affects your tenants as well as the building. A survey shows what needs attention, so you can plan the work.
We survey roofs for landlords and agents as well as homeowners. The report gives you a dated record of the leaking roof, with photos, which helps you plan work between tenancies.
How it works
Before we start, let us know why you’ve booked: a purchase, a leak, a storm, new work or simply peace of mind. That way we can focus on what matters to you. Most visits take an hour or two, more where the leak is intermittent or the roof is large. Surveys in Bentley Heath can be booked for any day of the week. It helps if you can point us to a visitor permit or a nearby bay, and to clear a path to the loft hatch. Upstairs rooms at the back are useful too, as they frequently give the best view of a rear addition.
- We help you choose the package that suits the leak.
- A visit is booked for a weekday, Saturday or Sunday.
- We inspect inside and out, starting from the stain.
- Where it is useful and included, we take moisture readings and use thermal imaging.
- You get photos, the likely cause and clear recommendations.
How to prepare
- Show us where any leaks or stains appear
- Check the loft hatch can be reached
- Make a note of anything you’d like us to look at
Arrange a survey
Most bookings start with a short call: phone 07833 053749 or email us. You’ll have a price before anything is arranged.
Advice
What affects the cost of roof leak investigations
All our prices include VAT. What changes the price is:
- The height of the building and how the roof can be seen safely
- How big the roof is
- Commercial roofs and larger buildings
- Any need for thermal images or a drone flight
The Premium Survey includes thermal imaging and drone inspection where it applies, which starts from £400, inc. VAT. We will tell you which package suits the questions you have.
Helping us price your survey
What helps most when you contact us:
- Pictures of the roof from a safe spot, if you have them
- Access details, such as a loft hatch or a shared roof
- Any marks or damp showing indoors
- The kind of building and roof involved
To book a survey, call 07833 053749 or use the contact form with the address and what you’d like to know about the roof. You’ll know the price before anything is booked.
When to book a survey in Bentley Heath
Valleys carry a lot of water. Worn lead, cracked linings or a build-up of leaves and moss can send that water under the coverings. The stain may appear well away from the valley itself.
People usually book a survey after spotting one of these:
- Drips from nail tips in a cold loft
- Water dripping from rafters or underlay
- Stains around a skylight
- Damp on a chimney breast
If you own a rental within reach of Potters Bar station, finding the cause of a leak fast keeps a tenant’s home dry and the work focused.
What to check before booking
- Which viewpoints they use to see the roof
- How long they’ve been surveying roofs
- How soon the report will arrive
- Whether the price includes VAT
Roof leak investigations in Bentley Heath: local notes
Historic houses such as Wyllyotts Manor, about 0.9 miles north, show how far back building in the area around Bentley Heath goes. Period homes nearby can have lead valleys, tall chimneys and a patchwork of past repairs, and a listed home or one in a conservation area may need consent for changes of material. Alongside Victorian and Edwardian terraces, outer London has a great many interwar semis, often with hipped roofs of 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.
If your house is among the older ones in the streets near Church of King Charles and the Martyr, old mortar, worn lead and slipped slates are the usual suspects when water gets in. If you look after a building such as Pope Paul Catholic Primary School, a leak through a large roof is often found some distance from where the water shows inside.
Bentley Heath is about 1 mile south-west of Potters Bar, in Greater London. Surveys in Bentley Heath work the same way as everywhere we cover: a careful inspection, photographs and a written report. Bentley Heath is one of the places in Greater London we cover. For surveys nearby, see our London page.
Every address in EN5 is covered for roof leak investigations, from the main roads to the quietest streets. Close by, we survey roofs in Potters Bar (1 mile north-east), Monken Hadley (1 mile south), Hadley Wood (2 miles south-east), Underhill (3 miles south) and Northaw Valley (3 miles east). Further out, we also cover London (13 miles south), City of Westminster (12 miles south), Marylebone (12 miles south), Kensington (13 miles south), St Pancras (11 miles south) and Shoreditch (12 miles south-east).
Around Bentley Heath
In Bentley Heath, that means homes and buildings near King George's Fields (Monken Hadley), Dame Alice Owen's School and Duke of York pub, among other places. Bentley Heath’s nearest station is Potters Bar station, about 1 mile north of the centre. A little further out are Barnet General Hospital (2.4 miles south) and Potters Bar Museum (0.9 miles north). Open spaces near Bentley Heath include Furzefield Wood and Lower Halfpenny and Darland's Lake.
Questions from Bentley Heath
Can parking be tricky for a visit in Bentley Heath?
Parking in Bentley Heath, as in most of London, takes a little planning: a visitor permit or a bay close to the door helps a lot.
Does a conservation area affect roof work in Bentley Heath?
Historic England’s list shows listed buildings, and the local council can tell you about conservation areas. Listed building consent is needed for changes that affect a listed building’s special interest, and conservation areas can limit changes of roofing material.
Is thermal imaging part of a leak investigation?
Thermal imaging is used where it’s useful, and it’s part of the Premium Survey. It picks up temperature patterns rather than water, so we confirm its findings with moisture readings.
Is there anything I need to do before the visit?
Keep a note of when it leaks, and take photos. Clear access to the loft. If water is near any fittings, have an electrician check them.
Can you find a leak when it isn’t raining?
In most cases, yes. Damp materials can be found without rain. For leaks that only happen in certain storms, we report the most likely routes.
What does the report include?
It sets out what we found, why it matters and what we recommend, backed by photos. Anything we couldn’t see safely is noted too, so you know exactly what was covered.
Do you climb onto every roof?
Not always. Safety comes first, and fragile or steep roofs cannot always be walked on. Safe viewpoints, the loft and a drone where it applies let us see the rest, and the report records anything we couldn’t see.