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Surrey · London and the South East

Electronic leak detection in Castle Green, Surrey

Electronic leak detection in Castle Green and the rest of Surrey. We survey on weekdays, Saturdays and Sundays.

  • Holes left by work on the roof
  • New roofs to check before paving or planting
  • Patched roofs that still leak

Electronic leak detection for Castle Green homes and businesses

What affects the price in Castle Green

All our prices include VAT. What changes the price is:

  • How many separate roofs there are, such as extensions, dormers and garages
  • If the survey needs thermal imaging or a drone
  • Commercial roofs and larger buildings
  • How complicated the roof is, with its valleys, chimneys and parapets

Larger roofs, taller buildings and commercial roofs take longer, so they’re priced to match. The price is confirmed before you book.

Booking your survey

If you can, have these to hand when you contact us:

  • How the loft is reached, if there is one
  • Any stains, drips or damp patches you’ve seen indoors
  • What’s prompted the survey
  • The style of property, from a terrace to a block

Surveys can be booked for weekdays, Saturdays or Sundays. To find a date that works for you, phone 07833 053749 or email us with the address and the days you’d prefer.

Electronic leak detection in Castle Green

Electronic testing locates holes in the waterproofing, not every cause of water getting in. Water coming through walls, copings, rooflights or plumbing won’t show on the test. If the evidence points elsewhere, we’ll say so. It will not show water getting in through brickwork or around frames. The report makes clear what was and wasn’t tested. You’ll also know what to check next. We survey commercial flat roofs, green roofs and single-ply roofs, and the problems we’re asked to look at most are failed seams and laps and leaks through a covered membrane.

Somewhere as small as Castle Green, flat roofs tend to be on extensions, garages and converted outbuildings. They need the same care as any town roof: the covering, the edges, the upstands and where water drains away. The journey and access are planned beforehand. Garages and outbuildings are easy to forget, so mention any you want included when you book.

You can share the report with anyone who needs it: a seller or estate agent, an insurer, a roofer, a builder or a managing agent.

Illustration of electronic leak detection showing a breach on a flat roof membrane
Location
Castle Green (GU24)
Wider area
Surrey
Price
Quoted for your roof
Report
Emailed report with photos and recommendations
Survey days
Weekdays, Saturdays and Sundays
Insurance
PI and public liability insurance
Call
07833 053749
Page updated
27 October 2026

Rented homes, blocks and businesses

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

We also survey roofs for businesses and commercial landlords. Larger roofs take longer.

What we are asked to look at in Castle Green

Roofs covered with paving, ballast or planting hide the membrane. ELD can work on some covered roofs though it depends on the layers.

Typical things we’re asked to look at include:

  • A flat roof leak that cannot be traced
  • Breaches hidden under paving or planting
  • New membranes needing a check before handover
  • Repairs that haven’t stopped the leak

Shop and office owners around The Peacocks may find that a flat roof over a business is out of sight and out of mind until it leaks.

What to check before booking

  • Whether the loft space is looked at, where there is one
  • How they plan to inspect the roof safely
  • Whether any drone flown is registered with the CAA
  • What exactly goes into their report

What to expect from a roof survey

Checking the roof from ground level

A lot can be seen from ground level. Binoculars help you spot slipped slates or tiles, gaps along the ridge and a leaning stack. Please don’t climb up for a closer look.

Watch the gutters in a downpour, from a window or the ground. Water spilling over the edge can point to a blockage or a sagging run.

Common questions in Castle Green

Do you cover smaller places like Castle Green?

Yes, Castle Green is covered. We survey roofs across London and the South East, and smaller places are part of that. The journey is planned ahead, so it helps to know about access.

Is my home in Castle Green 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 carry out surveys on Saturdays and Sundays?

We survey on any day from Monday to Sunday, during the day. Let us know your preferred days when you book.

Can you inspect my roof with a drone?

Where it helps and the rules allow, yes. Our sub-250g drone is flown by a CAA-registered operator with a Flyer ID and Operator ID, and the airspace and weather are checked before every flight.

Do you look in the loft space?

Normally, if there is one and it can be reached safely. From inside, the underside of the roof often shows damp, staining or daylight that cannot be seen from outside.

Is it the same as a RICS Level 2 or Level 3 survey?

No. Our survey looks at the roof, not the whole building. If you need a full building survey, you’ll need a RICS survey as well.

What insurance do you have?

Our cover is professional indemnity plus public liability.

What happens if roof problems are left?

Some flat roof leaks come from walls or details. ELD helps rule the membrane in or out, so other causes can be checked. For older village homes like those around Castle Green, the right replacement materials are not always easy to find quickly. That’s one more reason to find defects before they become urgent.

The cost of a survey depends on the roof: its size, its height, how many sections it has and how it can be reached and seen safely. We quote electronic leak detection for each roof, as the method and time depend on the roof.

Why choose Independent Roof Survey in Castle Green

  • Surveys on any day of the week
  • Drones and thermal imaging where it applies
  • An independent view of the roof
  • Professional indemnity and public liability insurance

See our cost guide or our case studies.

Electronic leak detection around Castle Green

About 4.2 miles north-east lies Botleys Mansion, a reminder of how long the area around Castle Green has been built on. On older houses around here, roofs frequently 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. Older houses across Surrey frequently have handmade clay tiles, and many have tile-hanging. Some old buildings in Surrey and Sussex have Horsham stone slab roofs. Next to the main roofs there is normally a flat roof somewhere, whether on an extension, a garage or a commercial unit.

Take an older house close to Church of St Lawrence: flat-roofed rear additions and dormers added over the years are worth checking. Anyone responsible for a site like St Lawrence CofE (Aided) Primary School will know that schools and public buildings often have big flat roofs, and their outlets and upstands need regular checks.

Castle Green is about 2 miles north-west of Woking, in Surrey. We provide electronic leak detection for homes and businesses in Castle Green and the surrounding area. Our area takes in places right across Surrey. Our Guildford page covers surveys nearby.

We survey roofs across the GU24 postcode area for electronic leak detection and the streets around it. That includes homes and businesses on Scotts Grove Road, Guildford Road and Scott's Grove Close. If you’re just outside Castle Green, we cover Penny Pot (1 mile north-west), Coxhill Green (1 mile north-east), Chobham (1 mile north-east), West End (1 mile west) and Bisley (1 mile south-west). Larger places within reach include Guildford (6 miles south), Camberley (5 miles west), Epsom (15 miles east), Farnham (12 miles south-west), Ewell (15 miles east) and Egham (7 miles north-east).

Near you in Castle Green

Typical jobs here are in homes near The Sun Public House, Gordon's School and Milford Green and Coxhill Green and the streets around them. The nearest railway station is Brookwood station, about 2.6 miles south-west of the centre. Nearby you’ll also find Brookwood Hospital (1.6 miles south) and Chobham Museum (0.8 miles north-east). For a walk, there is Brookwood Lye.

Map of Castle Green © OpenStreetMap contributors

What we do, step by step

After the inspection, everything we found is written up as a report with photos, sent to you by email. As for time on site, most surveys take a time that depends on the size of the roof and how it’s built, which we’ll explain when we quote. Cottages and farmhouses around Castle Green often have roofs at several levels, with lean-tos and outbuildings attached. We work round each section in turn, from the safest viewpoints, and anything we cannot see is noted.

  1. We start by finding out what the roof is made of and where it leaks.
  2. The roof is assessed to see if electronic testing will work on it.
  3. The testing method is chosen to suit the membrane and build-up.
  4. Testing runs across the roof to locate breaches in the membrane.
  5. We send a report with photos of each breach so your roofer can repair it.

Getting ready for the survey

  • Keep pets in another room
  • Let us know about any leaks, stains or damp patches you know of
  • If you’re buying, let the agent know when we are coming

Booking a survey

If you have photos of the roof, send them over. Pictures from the ground or a window are fine, and please do not climb up for a closer look. To get started, call 07833 053749 or email us.

Book a survey

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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