Greater London · London and the South East
Roof leak investigation in Aperfield, Greater London
Find out the condition of the leaking roof at your property in Aperfield from an independent roof surveyor. Visits run on weekdays and weekends, in the daytime.
- Damp underlay across a wide area
- Ceiling stains that grow after rain
- Damp patches next to the stack
Roof leak investigation in Aperfield
We investigate roof leaks in Aperfield and across London and South East England. Surveys are carried out on weekdays and at weekends. We look inside and out, at flashings, valleys, chimneys, gutters and flat roof details. 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 call 07833 053749 or send us an email to arrange a visit. We are often asked to look into staining around the chimney inside and wet patches on loft insulation, on flat roof details, slate and tile slopes and rooflights and dormers.
Water getting into a London home frequently comes from a detail you can’t see from the street: a butterfly roof’s central valley gutter, a parapet gutter, a chimney flashing or a flat roof over a back addition. For a leak or storm damage in Aperfield, those hidden details are where the inspection begins. A hidden gutter that overflows can send water a long way before it shows.
It isn’t only a list of defects. For each finding, it explains what it is, why it matters and what we’d recommend.
- Where
- Aperfield (TN16)
- Wider area
- Greater London
- Cost
- From £150 inc. VAT
- Your report
- A written report with photos, by email
- Appointments
- Weekdays, Saturdays and Sundays
- Insured
- Professional indemnity and public liability
- Call
- 07833 053749
- Last updated
- 27 October 2026
Roof by roof
Slate and tile slopes
‘Nail fatigue’ is a common cause of slipped slates. One slipped slate can be enough to cause a leak.
Chimney stacks
Chimneys let water in through pointing, flaunching, flashings and open pots. Each is checked from every safe viewpoint.
How we price roof leak investigations
Every roof is different, so prices are confirmed before you book. These are the things that affect it:
- Whether it’s a home or a commercial building
- Chimneys, valleys, parapets and other details
- The size of the roof
- The use of thermal imaging or a drone
Larger roofs, taller buildings and commercial roofs take longer, so the price reflects that. You will know the figure before booking.
Booking your survey
A few details help us point you to the right survey and price. When you contact us, tell us:
- What’s prompted the survey
- The kind of building and roof involved
- The property’s address and postcode
- Any deadline, such as an exchange date
Buyers should book once an offer has been accepted, so there’s time to use the report before exchange. Otherwise, simply phone 07833 053749 or drop us an email whenever suits you.
What a roof leak investigation does not cover
Without opening up the roof, some things stay hidden, so a survey has limits:
- An intermittent leak that shows no trace on the day
- The repair itself (the investigation finds and reports the cause)
- Faults hidden behind ceilings or boarding
If in doubt, phone 07833 053749 or email us and we’ll suggest the right survey before you book. The full list of what we check.
What we look at
- Chimney stacks
- Flat roof details
- Slate and tile slopes
- Valleys and parapet gutters
- The roof space
- Lead flashings
- Rooflights and dormers
Questions from Aperfield
Is my home in Aperfield 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. Listed building consent is needed for changes that affect a listed building’s special interest, and conservation areas can limit changes of roofing material.
Will parking be an issue for a roof survey in Aperfield?
Normally it is manageable with a little notice. Let us know the parking rules on your street and we’ll work around them.
Can you tell me if my roof has asbestos?
No. We can flag materials that might contain asbestos, but only a specialist asbestos surveyor can confirm it. It may be present in buildings built or refurbished before 2000.
Do you need to get into the loft?
If it’s needed and safe to reach, yes. Inside, we look for damp, staining, gaps and sagging.
What insurance do you have?
Our cover is professional indemnity plus public liability.
Will you fly a drone over my roof?
Yes, where it’s applicable. Whether we can fly on the day depends on the weather and the airspace rules, and we check for restrictions near airports before flying. We hold a CAA Flyer ID and Operator ID.
How many surveys have you done?
Over 5,000 surveys so far, across 20+ years of surveying roofs.
The survey, step by step
The aim of the visit is simple: to see as much of the leaking roof as can be seen safely and record it clearly. Notes and photos go into the written report. It typically takes roughly 1–2 hours for most homes, though a hard-to-trace leak can take longer. Many London properties are flats or terraces with no side access, so rear slopes are viewed from windows, the loft or, where a flight is allowed, by drone. If the building has a managing agent or access rules, tell us when booking.
- We help you choose the package that suits the leak.
- A visit is booked for a weekday, Saturday or Sunday.
- 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.
- You get photos, the likely cause and clear recommendations.
Before the survey
- Keep pets out of the way during the survey
- Find any records of previous roof work
- Clear the way to the loft hatch
Booking a survey
To book a survey, phone 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.
Read more
Roof leak investigations in Aperfield: local notes
With Down House about 1.7 miles north, Aperfield 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 a listed home or one in a conservation area may need consent for changes of material. Outer London has a good many 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. Each of these roof types has its own typical places for water to get in.
Parking in Aperfield, as in most of London, takes a little planning: let us know about parking bays, permits or a driveway when booking. For site and facilities teams at buildings such as Biggin Hill Primary School, tracing a leak on a big roof starts with where the water appears and works back.
Aperfield is about 4 miles east of Warlingham, in Greater London. We survey roofs in Aperfield and the surrounding area as part of our work across London and the South East. Our Greater London coverage includes Aperfield and the places around it. You can also see our page for London.
We work across TN16 for roof leak investigations and the streets around it. That includes homes and businesses on Main Road, Haig Road and Lotus Road and the roads around them. Other places close to Aperfield include Biggin Hill (1 mile north-west), Berry's Green (1 mile north-east), Single Street (1 mile north-east), Luxted (1 mile north) and Cudham (1 mile north-east). Further out, we also cover London (15 miles north-west), Whitechapel (15 miles north), Stockwell (13 miles north-west), Orpington (6 miles north-east), Wimbledon (14 miles north-west) and Plaistow (15 miles north).
What’s near Aperfield
In Aperfield, that means homes and buildings near Charles Darwin School and The Old Jail Public House, among other places. The nearest railway station is Oxted station, roughly 4 miles south-west of the centre. Well-known places in the area include Warlingham Park Hospital (3.4 miles west). Not far away are West Kent Golf Course nature reserve and Betsom's Hill.
Common roof problems in Aperfield
A chimney stack has plenty of places for rain to get in. Eroded pointing, cracked flaunching, failed flashings and open pots can all be responsible. The damp may appear on a chimney breast, a ceiling or in the loft.
A survey can pick up problems like:
- Leaks at a dormer or roof window
- A leak that comes and goes with the weather
- Water through the ceiling under a flat roof
- Drips from nail tips in a cold loft
The streets around a church such as St Mark's Church are frequently among the oldest in a place, and if you own one of the older houses nearby, leaks on older roofs frequently start at lead flashings, valleys or around old chimney stacks.
Before booking anyone
- What insurance they carry
- What’s outside the scope of the survey
- Whether you get a written report with photos
- How much experience they have with roofs like yours
Why act early in Aperfield
Lingering damp encourages mould on ceilings and walls. It is unpleasant, and it is harder to deal with once established. Stopping the water is the first step. Work on a London roof is rarely simple to arrange, with parking, neighbours and access all to think about. That’s a good reason to find problems early, while there’s time to plan, rather than in a rush after a leak.
Every price we give includes VAT. Our price is from £150, including VAT. You will know the price for the job before booking.
What you get with us
- A written report with photos
- Customer satisfaction of 98%
- 5,000+ roofs surveyed
- More than 20 years surveying roofs
Take a look at what a roof survey costs or what we found on two real jobs.