Hertfordshire · London and the South East
Roof Leak Investigation in Elstree
Roof leak investigations for homes and businesses in Elstree. More than 5,000 surveys completed across London and South East England.
- Damp on a chimney breast
- Staining where a gutter or parapet meets the wall
- Drips in the loft during heavy rain
How it works
The visit has one job: to see as much of the leaking roof as can be seen safely and record it clearly. Everything we note and photograph goes into the written report. It normally takes about one to two hours for a house, or half a day or so for a commercial building. Somewhere as small as Elstree, access is often the only tricky part. Mention any outbuildings, barns or garages you want included, and anything about the roof you already know. Weekday and weekend visits are available.
- You pick a Basic, Standard or Premium Survey.
- We agree a date, including weekends.
- We inspect inside and out, starting from the stain.
- Moisture detection and thermal imaging are used where your package includes them and they help.
- The report explains the likely entry point and what needs attention.
How to prepare
- Gather any invoices or paperwork from past roof work
- Make sure the loft hatch can be reached
- If the roof is shared, arrange access with whoever manages the building
Arrange a survey
Our price is from £150, including VAT. What you pay depends on the roof’s size, access and the package, and you can ring 07833 053749 or email us to find out.
Related advice
Roof leak investigation in Elstree: what you get
Leaks tend to begin where one part of a roof meets another. Flashings at chimneys and walls, valleys, gutters, parapets and flat roof upstands and outlets are the usual suspects. We check each likely route and follow the evidence. Chimneys, dormers and roof lights each add joints of their own. Each one is looked at from wherever it’s safe to see it. If you’ve noticed damp underlay across a wide area and brown rings on upstairs ceilings, a survey will tell you what’s going on, on the roof space, slate and tile slopes and chimney stacks alike.
Somewhere as small as Elstree, older roofs have often been repaired many times. A new leak may be fresh damage or the latest sign of long-term wear, which matters if you’re thinking of an insurance claim. The report says what was seen and what it points to. Older walls and timbers hold water for a long time, so it is worth finding the cause soon.
Most points in the report come with a picture, because a photo of a cracked flashing says more than a paragraph. Anything out of sight on the day is listed as such.
- Location
- Elstree (WD6)
- Region
- Hertfordshire
- Price
- From £150 inc. VAT
- Report
- A written report with photos, by email
- Survey days
- Weekdays, Saturdays and Sundays
- Insured
- Professional indemnity and public liability
- Phone
- 07833 053749
- Page updated
- 27 October 2026

Elstree: your questions answered
Is my home in Elstree listed or in a conservation area?
For listing, use Historic England’s list; for conservation areas, ask the council. It matters most if you are planning to re-roof in a different material.
Do you cover smaller places like Elstree?
Yes, Elstree is on our map. A small place gets exactly the same survey as a big one.
What do I do with the report?
You receive the written report by email, with photos and recommendations. You can use it to talk to a seller, an insurer, a roofer or a managing agent, whichever applies.
What’s in the survey report?
It works through the roof part by part, in writing and with photos, finishing with recommendations. The most urgent items are made clear.
Will you check the loft?
Yes, where the survey calls for it and there is safe access. We look for staining, damp, daylight and signs of movement.
Does the investigation include the repair?
This service finds and reports the cause, and the repair is separate. The report gives any roofer a clear brief.
How long will you be at the property?
On site, it usually takes an hour or two for most homes, though a hard-to-trace leak can take longer. Report times depend on the package.
DIY checks: what’s safe
It helps to keep a record: when leaks happen, ground-level photos and any past roof work. Send it with your enquiry.
The one thing to avoid is getting up close. Slates, tiles, flat roofs and rooflights can give way. That’s where a survey comes in, using safe viewpoints and a drone where applicable.
Tips from our surveys
From years of surveys, a few habits stand out:
- Take dated photos of the leak
- Make sure the loft is accessible
- Check whether pipes or tanks run near the stain
- Leave roof access to professionals
If condensation is the cause, we explain it, and suggest how the roof space could be better ventilated. It saves chasing a leak that isn’t there.
Keep the loft space ventilated. Air movement keeps condensation down, and condensation is a common false alarm. Make sure insulation does not block airflow at the eaves.
For landlords and managing agents
Shared roofs need a little more planning: access has to be agreed with whoever owns or manages the building. Tell us about it when you book and we’ll plan the visit with that in mind.
For a freeholder or residents’ company, a roof report is a sound basis for a maintenance plan, putting the urgent items at the top.
Roof leak investigations in Elstree: local notes
About 4.1 miles south-west lies Headstone Manor, a reminder of how long the area around Elstree has been built on. 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. Slate and clay tile are the usual coverings on older South East houses, with concrete tiles on many later estates, and flat-roofed additions turn up almost everywhere. Knowing the roof type helps narrow down where water may be getting in.
Anyone responsible for a site like St Nicholas Elstree Church of England VA Primary School will know that on a building that size, finding the source of a drip means looking well beyond the stain. The streets around a church such as Church of St Nicholas are often among the oldest in a place, and if your house is among the older ones nearby, the leak may come from a chimney, a valley or tired lead rather than the covering itself.
Elstree is about 2 miles south-west of Borehamwood, in Hertfordshire. Wherever you are in Elstree, we can carry out roof leak investigations at your property, on a weekday, Saturday or Sunday. We cover towns and villages across Hertfordshire. Our London page covers surveys nearby.
We work across the WD6 postcode area for roof leak investigations and the streets around it. We offer roof leak investigations to properties on High Street, West View Gardens and Summer Grove and the roads around them. If you’re just outside Elstree, we cover Deacon's Hill (1 mile east), Edgware Bury (1 mile south-east), Broadfields Estate (2 miles south-east), Borehamwood (2 miles north-east) and Edgware (2 miles south-east). Within a short drive, we also cover Watford (5 miles west), Hemel Hempstead (10 miles north-west), St Albans (8 miles north), Welwyn Garden City (12 miles north-east), Harpenden (12 miles north) and Hoddesdon (14 miles north-east).
Around Elstree
Around Elstree, our work takes us to homes and buildings near The Holly Bush pub, London Academy and Aldenham Country Park, among other places. The nearest railway station is Elstree & Borehamwood station, roughly 1.1 miles north-east of the centre. Other landmarks nearby include Elstree and Borehamwood Museum (1.4 miles north-east) and Royal National Orthopaedic Hospital (0.8 miles south). Green spaces nearby include Darland's Lake and Edgware Way Grassland.
How the survey changes by roof type
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. We check outlets and the covering around them.
Places near Elstree
Also in Elstree
Do you need a roof leak investigation in Elstree?
A roof valley collects the rain from two slopes. Split linings, slipped valley tiles or debris can send that water under the coverings. Leaks from valleys often show up some distance away inside.
Signs worth acting on include:
- Damp underlay across a wide area
- Leaks below a flat extension roof
- Water marks that spread in wet weather
- Drips in the loft during heavy rain
If you live near a park such as Aldenham Country Park, or anywhere with mature trees, autumn leaves can block gutters and valleys.
What to check before booking
- Which parts of the roof they’ll actually see
- What they will not be able to tell you
- Is there a chance to talk the report through?
- Whether the price includes VAT