Greater London · London and the South East
New roof snagging in Merton, Greater London
Checking a new or replacement roof for snags in Merton, with drones and thermal imaging where they help. Call or email for a price.
- Cracked lower roofs or marked walls after the work
- Gutters blocked by building debris
- Cracked mortar at the ridge or hips
What we look for on each type of roof
Valleys
We check valley linings for splits and poor laps where they can be seen.
Underlay and ventilation
From the loft, we check the underlay and look for condensation.
How new roof snagging works in Merton
Our inspection covers the slates or tiles, ridges, verges, hips and valleys, along with the flashings and ventilation. We check the underlay at the eaves where it is visible as well as the gutters. You get a photo report of what we found. We also note debris left behind and any damage to other parts of the building. If you’ve noticed offcuts and broken tiles left behind and broken coverings left on a new roof, a survey will tell you what’s going on, on replacement roofs, new flat roofs and new-build homes alike.
London’s housing runs from Victorian and Edwardian terraces to interwar semis, post-war estates and new blocks of flats, and a home in Merton could be any of them. Whether the roof is old or newly laid, the problem areas depend on how and when the building went up. Slates, hidden valley gutters, parapets and flat roofs over back additions all need checking in their own way.
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
- Merton (SW19)
- Region
- Greater London
- Cost
- From £150 inc. VAT
- Your report
- Written, with photos, emailed to you
- Appointments
- Weekdays, Saturdays and Sundays
- Cover
- Professional indemnity and public liability
- Telephone
- 07833 053749
- Last updated
- 27 October 2026
Common roof problems in Merton
Scaffolding and materials can damage other parts of a building. A snagging check looks around the property as well as at the roof.
These are some of the problems a survey can pick up:
- Gaps at new flashings
- Loose or badly finished ridge tiles
- Tiles or slates sitting out of line
- Gutters blocked by building debris
The streets around a church like St John The Divine are often among the oldest in a place, and if yours is one of the older homes nearby, the roof may have had decades of patch repairs, and the survey shows where they are.
Before you book any roof surveyor
- What exactly goes into their report
- Whether the loft is part of the inspection
- Whether VAT is added on top
- What happens after the report arrives
New roof snagging in Merton: local notes
Southside House, about 1.8 miles west, is one of the historic houses in the wider area around Merton. On older houses around here, roofs often carry the marks of earlier repairs, from replaced slates to new lead, and any change of roofing material on a listed home needs checking with the council first. Further from the centre, London’s housing takes in interwar semis with hipped roofs in clay or concrete tiles as well as slate-roofed terraces. If your home in Merton is one of them, bay roofs, hips and later dormers each have their own details. Material and age explain a lot of what turns up on the day, whether the roof is old or brand new.
Parking in Merton, as in most of London, takes a little planning: a visitor permit or a nearby bay makes the day easier. Landlords with a home close to Haydons Road station may find that a written report helps before buying a rental or paying for a new roof on one.
Merton is about 1 mile south-east of Wimbledon, in Greater London. We carry out new roof snagging for homes and businesses in Merton and the surrounding area. Our Greater London coverage includes Merton and the places around it. London is in our area too.
Surveys in SW19 work the same way as everywhere else we cover. That includes homes and businesses on High Path, Pincott Road and Hayward Close and the roads around them. With the A24 close by, Merton is simple for us to get to. Neighbouring places we cover for new roof snagging include Merton Abbey (1 mile east), South Wimbledon (1 mile north-west), Colliers Wood (1 mile east), Tooting Bec (1 mile north-east) and Summerstown (1 mile north). Further out, we also cover London (7 miles north-east), City of Westminster (7 miles north), Marylebone (7 miles north), Kensington (6 miles north), St Pancras (8 miles north) and Shoreditch (9 miles north-east).
What’s near Merton
We work in homes and buildings around The Nelson Arms, Wimbledon School of Art and Wandle Park, among other places. Merton’s nearest station is Haydons Road station, roughly 0.8 miles north. Other landmarks nearby include Southside Wandsworth (2.8 miles north) and St George's Hospital (1.1 miles north-east). Not far away are Henman Hill and Merton Park Green Walks.
Merton: your questions answered
Do you cover Merton?
We do. The survey and report are the same in Merton as anywhere else, and visits run on weekdays and weekends.
How do I find out if my home in Merton is listed?
We cannot confirm that for you, but Historic England’s list and your council can. A change of roofing material may need consent in either case, and councils can also use Article 4 directions.
How much time does a snagging visit need?
A visit normally takes an hour or two on an ordinary house, though large, tall or awkward roofs take more time. You will know roughly how long when we arrange it.
What’s the best time to have a new roof checked?
Ideally before you make the final payment so snags can be raised while the job is still open. Otherwise, book before your defects or warranty period runs out.
Is snagging available for a new-build house roof?
Yes. We check new-build roofs from safe vantage points and the roof space and photograph what we find. Book before the defects period runs out if you can.
Does someone need to be in?
If the survey includes the loft or the inside of the building, someone needs to let us in. We’ll talk about access when booking.
Do you lift tiles to check the fixings?
No, we report on what’s visible. Fixings and underlay under the slates or tiles are hidden, but we look at everything we can see safely.
Surveys for landlords and agents in Merton
Buyers’ agents can book surveys on behalf of their clients. Reports are emailed, so they’re easy to pass on, photos included.
If you own several properties, surveys can be booked for more than one address. To arrange surveys for several addresses, phone 07833 053749 or send us an email with the addresses.
Nearby places to Merton
What else we do in Merton
Why act early in Merton
Defects and warranty periods have an end date. Checking the roof before it ends gives you time to raise anything we find. 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 often 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 us?
- An independent view of the roof
- 98% of clients satisfied
- Packages from £150, including VAT
- Insured for professional indemnity and public liability
How it works
After the inspection, everything we found is written up in a report with photos, emailed to you. As for time on site, it usually takes an hour or two for most houses, and about three to four hours for a commercial roof. In a London conversion, the way into the roof space is frequently from a communal landing or the top flat. If that applies to your building, it helps to agree access with the neighbours or the managing agent first. Everything else is planned around the building, not the postcode.
- We start with what the roofer did and when they finished.
- We check the coverings, ridges, hips and verges from safe vantage points.
- Valleys, flashings, gutters and visible underlay at the eaves are checked.
- The roof space and the rest of the property are checked for problems.
- Snags are listed in a written report with photos.
Before we arrive
- Let us know about any leaks, stains or damp patches you know of
- If it isn’t your property yet, arrange access through the agent
- Have keys ready for side gates, garages or roof access doors
How to book
Our phone lines are open seven days a week, including Saturdays and Sundays. To book or ask a question, call 07833 053749 or use the contact form.
Related advice
Tips from our surveys
A little preparation and a few simple habits help. Our tips:
- Look for debris left in gutters from the ground
- Diary the defects period end date
- Walk round the house to look for knock-on damage
- Tell your roofer the work will be inspected
If anything in the report isn’t clear, ask us. With the Standard Survey there is a follow-up consultation, and the Premium Survey includes an in-person one.
File the contract, invoices and warranty papers in one place. The report belongs with them.