Greater London · London and the South East
Roof leak investigation in Downham, Greater London
Tracing where water is getting into your roof for Downham and the rest of Greater London. Surveys run seven days a week.
- Wet patches on loft insulation
- Leaks below a flat extension roof
- Wet patches high on an inside wall
Landlord and commercial surveys in Downham
For a freeholder or residents’ company, a roof report is a sound basis for a maintenance plan, with the most urgent items set out first.
We also survey roofs for businesses and commercial landlords. Bigger roofs take more time, so they’re priced to suit.
Roof leak investigation in Downham: what you get
On a flat roof, water can travel a long way under the covering. Splits, blisters, failed laps, worn upstands and blocked outlets are common causes. 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. Felt often lasts around 15 to 20 years, so age is part of the picture. Common reasons to book are staining around the chimney inside and water marks that spread in wet weather, on valleys and parapet gutters, flat roof details and chimney stacks.
In converted houses and blocks across London, water from a roof can run a long way before it shows on a ceiling, sometimes in a different flat from the one below the defect. Tracing it back matters, both for dealing with the cause and for any insurance claim. In Downham, we inspect what we can reach safely and are given access to. It helps to know when the water appears and in what weather.
Findings are set out part by part, from the coverings down to the gutters. It records what’s sound as well as what is not.
- Location
- Downham (BR1, SE6, SE12)
- Region
- Greater London
- Prices
- From £150 inc. VAT
- Your report
- Emailed report with photos and recommendations
- Appointments
- Weekdays, Saturdays and Sundays
- Insurance
- Professional indemnity and public liability
- Phone
- 07833 053749
- Last updated
- 27 October 2026
Also near Downham
Also in Downham
Practical tips
From years of surveys, a few habits stand out as worth the effort:
- Tell us if there are tanks or pipes in the loft
- Don’t touch fittings that water is reaching
- Mention earlier attempts to fix the leak
- Put a bucket under the drip and move valuables
Keep the report after the work is done. If the leak returns, it’s a useful record of what was found.
After a storm, check the roof from the garden and the street. Pieces of slate or tile in the garden mean something has moved. Prompt repairs stop gaps turning into leaks.
When you need someone else
Our survey is not a RICS Level 2 or Level 3 survey, a structural engineer’s report or an asbestos survey. Other limits to bear in mind:
- Water from pipes, tanks or heating systems
- Whether rotten timbers meet design loads
- An intermittent leak that shows no trace on the day
If you are not sure which survey you need, call 07833 053749 or drop us an email and we’ll give you a straight answer. What a survey covers and doesn’t.
Roofs we survey in Downham
- Flat roof details
- Slate and tile slopes
- The roof space
- Valleys and parapet gutters
- Lead flashings
- Rooflights and dormers
- Chimney stacks
Prices for roof leak investigations in Downham
Our packages start from £150, inc. VAT. What you pay for your roof depends on:
- Extra roofs, like extensions, dormers or garages
- Whether it is a home or a commercial building
- Features like valleys, chimneys, dormers and parapets
- Which survey package you book
To find out what your survey will cost, ring 07833 053749 or use the contact form with the address and some details. We will confirm the figure before booking.
Helping us price your survey
What helps most when you contact us:
- Access details, such as a loft hatch or a shared roof
- Any photos you have, taken from the ground or a window
- The reason for the survey, like buying, a leak or storm damage
- Where the property is, with the postcode
Surveys can be booked for weekdays, Saturdays or Sundays. To find a date that works for you, call 07833 053749 or use the contact form with the address and the days you’d prefer.
How it works
There is not much for you to do on the day. Point out anything you’ve noticed, like stains, drips or loose pieces, and we will get on with the inspection. The survey itself takes roughly 1–2 hours, more where the leak is intermittent or the roof is large. London terraces rarely offer a view of the whole roof from one spot, so in Downham we work round the house, using the street, the windows, the loft and any safe vantage point behind it. If other people live in the building, let us know who can let us into the shared parts.
- We start with your notes and photos of the leak.
- We examine the damp area and the rooms near it.
- In the loft, we follow any signs of water back towards the roof.
- Outside, we check flashings, valleys, chimneys, gutters and flat roof details from every safe vantage point.
- We email a written report showing where the water most likely gets in.
How to prepare
- Agree roof access with the managing agent if it is shared
- Make sure pets are kept safely away
- Dig out any old roof reports or invoices
How to book
Booking is simple: just phone 07833 053749 or drop us an email and give us some details about the property and we will explain which survey suits. We confirm the price before anything is booked.
Advice
What we look for on each type of roof
Parapet and box gutters
Parapet and box gutters sit behind walls or inside the roof. When their outlets block, water rises over the lining and runs indoors.
Lead flashings
Mortar fillets are sometimes used instead of lead. Fillets crack and pull away over time, and water runs down behind them.
FAQs for Downham
Can parking be tricky for a visit in Downham?
In much of London, parking needs planning: a visitor permit or a bay close to the door helps a lot, so mention what’s available when you book.
Does a conservation area affect roof work in Downham?
We can’t confirm that for you, but Historic England’s list and your council can. A change of roofing material may need consent in either case.
Is there anything I need to do ahead of the visit?
Make sure the loft can be reached. Have any photos of the leak ready, plus details of past repairs. Keep catching drips and keep water away from electrics.
Will you fly a drone over my roof?
Where it helps and the rules allow, yes. We hold a CAA Flyer ID and Operator ID and fly a drone under 250g, and the airspace and weather are checked before every flight.
Is Downham in your area?
Yes. We survey roofs in Downham and the rest of Greater London. For a price, phone 07833 053749 or use the contact form.
Can a leak be traced on a dry day?
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 a roof survey cost?
Roof leak investigation starts from £150, including VAT. You’ll know the price for your survey before booking. For a price, call 07833 053749 or drop us an email.
Wind, rain and roofs in Downham
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. Bay roofs, hip ridges and dormers from later loft conversions are the details that set these houses apart. The covering and its details give the first clues when tracing where water is coming from. About 1.7 miles south-east lies Bromley Palace, a reminder of how long the area around Downham has been built on. Older roofs in the wider area can hide decades of patch repairs, so the detail matters, and the council can say whether a home is in a conservation area.
Anyone responsible for a site like Rangefield Primary School will know that a leak through a large roof is frequently found some distance from where the water shows inside. If you live in an older home near St Barnabas, leaks on older roofs frequently start at lead flashings, valleys or around old chimney stacks. If you let a flat or house near Grove Park station, a clear finding on where water gets in helps you brief a roofer right away.
Downham is about 2 miles north of Bromley, in Greater London. We visit Downham as part of our work across Greater London, for houses, flats and commercial buildings. Across Greater London, we cover Downham and the places around it. There’s also a page for London.
Postcode districts we cover here for roof leak investigations: BR1, SE6 and SE12. If you need a roof leak investigation at a property on Shaw Road, Arcus Road and Brook Lane or a nearby road, we can survey it. Neighbouring places we cover for roof leak investigations include Plaistow (1 mile south), Grove Park (1 mile north-east), Sundridge (1 mile south-east), Chinbrook (1 mile east) and Bellingham (1 mile west). Larger places within reach include London (7 miles north-west), City of Westminster (9 miles north-west), Marylebone (9 miles north-west), Kensington (10 miles north-west), St Pancras (9 miles north-west) and Shoreditch (8 miles north-west).
What’s near Downham
We work in homes and buildings around Holy Trinity College Bromley, Downham Fields and Bonus Pastor Catholic College. For rail, the closest station is Grove Park station, about 0.8 miles north-east. A little further out are The Glades (1.6 miles south) and Greenwich Castle (3.6 miles north). For a walk, there’s Summer Hill and Downham Woodland Walk.