Roof surveys across London and the South East 07833 053749info@independentroofsurvey.co.uk

Hertfordshire · London and the South East

Colliers End Roof Leak Investigation

Know where you stand with the leaking roof before you decide what to do next. Roof leak investigations in Colliers End.

  • Leaks below a flat extension roof
  • Staining around the chimney inside
  • Leaks that appear only in driving rain

Roof leak investigations in Colliers End

Do you need a roof leak investigation in Colliers End?

Some water in the loft isn’t rain at all. Moist air from bathrooms and kitchens condenses on the cold underside of the roof, especially where ventilation is poor. Wet nail tips and damp underlay over a wide area are classic signs.

Here are some of the things we see often:

  • Wet patches on loft insulation
  • Stains around a skylight
  • Condensation that looks like a leak
  • Leaks below a flat extension roof

If you own a rental within reach of Ware station, a clear finding on where water gets in helps you brief a roofer right away.

Before you book any roof surveyor

  • Whether they hold professional indemnity and public liability insurance
  • How soon the report will arrive
  • What the report includes, and whether it has photographs
  • Do they have a CAA Flyer ID and Operator ID for drone work?

What a roof survey includes

Roof leak investigation in Colliers End: what you get

Moisture readings and thermal imaging are used where they’re useful. Moisture detection confirms where timbers, plaster or insulation are damp. A thermal camera shows patterns of temperature rather than water, so we confirm what it suggests with moisture readings. Moisture detection is included in the Standard Survey, and thermal imaging in Premium. The best thermal results come after a sunny day, with a dry roof and little wind. If you’ve noticed water marks that spread in wet weather and wet patches high on an inside wall, we can find out what’s behind it, on rooflights and dormers, slate and tile slopes and lead flashings alike.

For a small place like Colliers End, the inspection is the same as anywhere: the journey and access are just planned beforehand. Let us know where the water shows, when it appears and anything you’ve noticed outside, plus any earlier repairs. If you have photos of the water coming in, they help as well.

Nothing in the report is left vague: if work is needed, the report says so clearly.

Illustration of a dotted line of water running from the roof to a puddle on the loft floor
Place
Colliers End (SG11)
Wider area
Hertfordshire
Price
From £150 inc. VAT
Reports
Written, with photos, emailed to you
When we survey
Weekdays and weekends
Cover
Professional indemnity and public liability
Telephone
07833 053749
Updated
27 October 2026

What affects the price in Colliers End

Several things affect the price of a survey:

  • The package you choose: Basic, Standard or Premium
  • The height of the building and how the roof can safely be seen
  • Whether thermal imaging or a drone is needed
  • The number of roofs, including extensions and garages

Prices quoted always include VAT, and the report is not charged as an extra. Our price is from £150, including VAT. Where your roof sits in the range depends on its size, height and access.

Getting in touch

To price your survey accurately, we’ll ask about:

  • Dates you are working to, like exchange
  • Anything about access we should know
  • The property’s address and postcode
  • Any stains, drips or damp patches you’ve seen indoors

Not sure which survey you need? The easiest way is to phone 07833 053749 or use the contact form and describe the roof and why you want it surveyed. We’ll explain the options and the price.

What a roof leak investigation looks like in Colliers End

Historic houses such as Much Hadham Palace, about 3.7 miles east, show how far back building in the area around Colliers End goes. On older houses around here, roofs frequently carry the marks of earlier repairs, from replaced slates to new lead, and the council can say whether a home is in a conservation area. In this part of the South East, older roofs are mostly slate or clay tile and many newer ones concrete tile. Different coverings let water in at different points, which shapes where the search starts.

If you own one of the older houses in the streets near St Mary's, leaks on older roofs often start at lead flashings, valleys or around old chimney stacks. Take a building like Ralph Sadleir Middle School: a leak through a large roof is often found some distance from where the water shows inside.

Colliers End is about 4 miles north of Ware, in Hertfordshire. Colliers End is part of the area we cover across London and South East England. Across Hertfordshire, we cover Colliers End and the places around it. Chelmsford is in our area too.

We survey roofs across SG11 for roof leak investigations and the streets around it. Neighbouring places we cover for roof leak investigations include Standon Green End (1 mile south-west), Barwick (1 mile south-east), High Cross (1 mile south), Sacombe Green (2 miles west) and Puckeridge (2 miles north-east). Further out, we also cover Stevenage (8 miles west), Bishop's Stortford (7 miles east), Welwyn Garden City (9 miles south-west), Harpenden (15 miles west), Hitchin (13 miles north-west) and Hoddesdon (8 miles south).

What’s near Colliers End

In Colliers End, that means homes and buildings near The Lamb and Flag pub, among other places. The closest station to Colliers End is Ware station, roughly 4.2 miles south. Other landmarks nearby include Hertford County Hospital (5.9 miles south-west) and Barrowfield (4.9 miles south). For a walk, there’s King's Meads.

Map of Colliers End © OpenStreetMap contributors

Common questions in Colliers End

Will you come out to Colliers End?

Yes, Colliers End is covered. We cover the whole of London and South East England, from towns to the smallest villages. Longer journeys are simply planned ahead of time.

Does a conservation area affect roof work in Colliers End?

Your council is the best source, with Historic England’s list for listed buildings. A change of roofing material may need consent in either case.

Can a leak be traced on a dry day?

In many cases, yes. Leaks leave clues, such as staining, damp timber and moisture in materials. Intermittent leaks can be harder, so your photos and notes from wet days are very useful.

What insurance do you have?

We hold professional indemnity and public liability insurance, for every survey we carry out.

How experienced are you?

We have more than 20 years’ experience and have completed over 5,000 surveys.

I live in a flat. Can you survey the roof?

Yes, if the freeholder or managing agent agrees access. We check the parts we’re given access to.

Is this an asbestos survey?

No. We do not sample or test for asbestos. Where a material might contain it, like old cement sheets on a building from before 2000, the report flags it, with a recommendation to have a specialist asbestos surveyor check before it is disturbed.

How the survey works

A survey visit follows a simple order: we listen to what’s been worrying you, inspect the roof from every safe vantage point, take photos as we go and make notes for the report. It typically takes an hour or two for most homes, though a hard-to-trace leak can take longer. For a village or hamlet like Colliers End, the journey is planned in advance: let us know about lanes, gates and parking. The roof is looked at from ground level, from windows, from the loft where there is safe access and from the roof where it’s safe.

  1. You tell us where the water shows and when it appears.
  2. Inside, we check the damp area and the loft space above it.
  3. We check the likely entry points outside, such as flashings, valleys, chimneys and gutters.
  4. Moisture readings and thermal imaging are used where they help.
  5. You receive a written report with photos showing the likely source and what needs attention.

How to prepare

  • Have keys ready for side gates, garages or roof access doors
  • Note where any stains or damp appear
  • For a flat or shared roof, check access with the building owner or managing agent

How to book

Our phone lines are open seven days a week, including Saturdays and Sundays. For a price or to book, call 07833 053749 or drop us an email.

Ask for a survey

Advice

Why act early in Colliers End

Guesswork repairs are a common reason leaks keep coming back. The real way in may be a metre or more away. We find the probable source before anyone starts work, so the repair is aimed at the right place. In a small place like Colliers End, homes can be exposed to wind and rain, which finds any gap, and damp in older walls is slow to dry out.

One thing that affects the price is the package: from £150 for Basic, £250 for Standard and £400 for Premium, inc. VAT. The roof’s size, height and access matter as well.

Why choose Independent Roof Survey in Colliers End

  • Customer satisfaction of 98%
  • Thermal imaging and drones used where they help
  • Two decades and more of roof surveys
  • Independent findings on the roof’s condition

Read what a roof survey costs and what we found on two real jobs.

Before and after the survey

From years of surveys, a few habits stand out:

  • Take dated photos of the leak
  • Let us know if there are tanks or pipes in the loft
  • Don’t climb onto the roof to look
  • Record whether it leaks in every downpour or only some

Where we find more than one possible route, we say which is most likely and why. We say which items need prompt attention.

Have flashings and flat roofs looked at every few years. They’re where most leaks start, and catching wear early keeps water out.

Landlord and commercial surveys in Colliers End

If the property is let, the agent or a tenant can let us in, at a time agreed beforehand. Surveys run seven days a week, which helps when tenants work during the week.

Landlords, agents and building managers in Colliers End and across Hertfordshire can book any of our surveys. To discuss a property or a block, call 07833 053749 or send us an email.

20+ yearsRoof survey experience
5,000+ surveys98% customer satisfaction
Drones and thermal imagingCAA-registered drone operator
Fully insuredProfessional indemnity and public liability
Reports from £150Prices include VAT