Kent · London and the South East
Knockholt Chimney Survey
A careful look at the chimney stack at your property in Knockholt, with photos and a written report.
- A chimney out of line
- Flashings pulling away from the stack
- Flaunching that has broken away
Your questions about chimney surveys in Knockholt
Is Knockholt within the area you cover?
Yes. Knockholt is within the area we cover, which takes in towns, villages and rural addresses. We work right across London and South East England. Just mention lanes, gates or anything else about the route as you book.
Do you survey roofs for landlords with property near Knockholt station?
Yes, landlords and agents are among the people we work for. You can call 07833 053749 or email us with the address and what you need.
How can you see the top of the stack?
Each stack is viewed from the safest viewpoints: from ground level, windows and vantage points, and from the loft where there’s access. Our Premium Survey includes a drone inspection where it applies. We note anything we couldn’t see.
Do you carry professional indemnity insurance?
Professional indemnity and public liability insurance cover our surveys. If you need details for a managing agent or a building owner, just ask.
How do I arrange a chimney survey in Knockholt?
Just ring 07833 053749 or send us an email with the address. After a few questions, we confirm the price and fix a day, weekday or weekend.
Does someone need to be in?
If the survey includes the loft or the inside of the building, someone needs to let us in. Access is agreed with you when booking.
My chimney looks like it’s leaning. What should I do?
It is worth having a leaning stack checked. Our survey notes how it looks and the condition of the bricks and joints, and if it may be a structural issue, we recommend a structural engineer.
Chimney survey in Knockholt: what you get
A damp patch on a chimney breast doesn’t always come from the same place. Water may be getting in at the top through cracked flaunching or an uncapped pot, through the brickwork, or at the flashings. Moisture trapped inside a stack with no ventilation can also cause damp. Our survey checks each of these and records the likely cause. You then know where to start. We survey shared and party-wall stacks, chimney pots and cowls and brick chimney stacks, and common reasons people get in touch are flashings pulling away from the stack and staining on walls around the chimney.
Older buildings in small places like Knockholt may be listed or in a conservation area. That can affect what materials can be used when work is done, so check with the council before planning anything. Knowing the roof’s condition helps you plan ahead with that in mind. Where a building is listed, matching the existing roof materials is often expected.
Pictures do a lot of the work in our reports, so you can see each defect rather than just read about it. Anything out of sight on the day is listed as such.
- Place
- Knockholt (TN14)
- Region
- Kent
- Cost
- From £150 inc. VAT
- Your report
- Written, with photos, emailed to you
- Appointments
- Weekdays, Saturdays and Sundays
- Insured
- PI and public liability insurance
- Call
- 07833 053749
- Last updated
- 27 October 2026
Chimney surveys around Knockholt
Handmade clay tiles, including Kent peg tiles hung on pegs through two holes, are typical of older Kent buildings. The county’s older buildings also include oast houses and timber-framed Wealden hall houses. Whichever you have, the details that tend to fail before the covering itself get the closest look. The wider area around Knockholt has a long history of building, with Down House about 2.7 miles north-west. 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.
Landlords with a home close to Knockholt station may find that a roof report between tenancies helps plan work before a small defect becomes a tenant’s leak.
Knockholt is about 4 miles north-west of Sevenoaks, in Kent. We carry out chimney surveys for homes and businesses in Knockholt and nearby. We cover towns and villages across Kent, large and small. You can also see our page for London.
Postcode districts we cover here for chimney surveys: TN14. Local streets include Main Road and Blueberry Lane, all of which we cover. Close by, we survey roofs in Knockholt Pound (1 mile north-east), Halstead (2 miles north-east), Sepham Heath (2 miles north-east), Pratt's Bottom (2 miles north) and Twitton (3 miles east). Larger places within reach include Dartford (11 miles north-east), Sevenoaks (4 miles south-east), Royal Tunbridge Wells (14 miles south-east), Gravesend (14 miles north-east), Tonbridge (11 miles south-east) and Northfleet (13 miles north-east).
Local landmarks in Knockholt
We work in homes and buildings around The Three Horseshoes pub and the streets around them. The nearest railway station is Knockholt station, roughly 2.7 miles north-east. Well-known places in the area include Orpington Hospital (3.6 miles north) and Otford Heritage Centre (3.9 miles east). Green spaces nearby include Betsom's Hill and Downe Bank.
Practical tips
From years of surveys, a few habits stand out:
- Keep the report to compare against at the next survey
- Have the flue swept and checked if you use the fire
- Look at the chimneys with binoculars after a storm
- Check with the council before altering a stack in a conservation area or on a listed building
After the visit, we write up the report with photos of each stack. It explains the condition of each part of the stack and any damp inside. Basic reports arrive within 48 hours, Standard reports in 24 to 48 hours and Premium reports the same day.
Have aerial and dish brackets on the stack checked, and moved if they’re working it loose. Removing unused fixings takes strain off the brickwork.
What we do, step by step
We photograph the roof as we go, so the report shows exactly what we saw. We take close-ups from wherever is safe. A typical visit takes about one to two hours at a house, as part of a look at the roof around the stack. Somewhere as small as Knockholt, access is frequently the only tricky part. Let us know about outbuildings, past repairs and any leaks you’ve noticed. Visits can be on weekdays, Saturdays or Sundays.
- First we talk through the stacks, their history and any problems.
- We check every stack from wherever it can be seen safely.
- We photograph and record the pots, flaunching, pointing and flashings.
- We look for damp on chimney breasts and in the roof space.
- The report, with photos and recommendations, is emailed to you.
Getting ready for the survey
- Make a note of anything you’d like us to look at
- Let us know about parking near the property
- Let us know about any leaks, stains or damp patches you know of
How to book
When you are ready to go ahead, phone 07833 053749 or drop us an email. From there it is a case of choosing a package, agreeing the price and fixing a day.
Related advice
When you need someone else
No survey can tell you everything, and it is better to know them up front. Keep these in mind:
- A structural engineer’s assessment
- Gas safety checks, which need a Gas Safe registered engineer
- Parts of the stack that can’t be seen safely or belong to a neighbour we can’t access
If you’re not sure which survey you need, ring 07833 053749 or drop us an email and we’ll give you a straight answer before you book. What a survey covers and does not.
Roof types and parts we check
- Chimney breasts
- Lead flashings
- Shared and party-wall stacks
- Chimney pots and cowls
- Brick chimney stacks
- Flaunching
What you can safely check yourself
It helps to keep a record: when leaks happen, ground-level photos and any past roof work. Send it with your enquiry.
What you can’t do safely is get up close. Slates, tiles, flat roofs and rooflights can give way, and falls from height are serious. That is where a survey comes in, using safe viewpoints and a drone where it applies.
Places near Knockholt
More services for Knockholt
What affects the price in Knockholt
To price your survey, we look at:
- Chimneys, valleys, parapets and other details
- The type of building, from a house to a block or an office
- Whether you choose the Basic, Standard or Premium Survey
- How tall the building is and how easy the roof is to see
Prices start from £150, inc. VAT, for a Basic Survey. Standard is from £250 and Premium from £400. You will know the price for your survey before booking.
What to let us know when you get in touch
There’s no need for technical words. Just let us know:
- What kind of property and roof it is
- Any marks or damp showing indoors
- Your timetable, such as an exchange date
- How the loft is reached, if there is one
Our price is from £150, including VAT. What you pay depends on the roof’s size, access and the package, and you can call 07833 053749 or send us an email to find out.
When to book a survey in Knockholt
Flaunching is the mortar bed that holds the pots and throws water off the top. Cracked flaunching lets water in, and each winter makes it worse. Loose pots can follow.
Common reasons to book include:
- Frost-damaged brickwork on the stack
- Damp patches on chimney breasts
- Damaged chimney pots and cowls
- Eroded joints in the brickwork
For an older house near a landmark such as St Katharine's Church, corroded nails, tired lead and weathered chimney pointing are the things to watch on older roofs.
Questions to ask before you book
- What the report includes, and whether it has photos
- Their report turnaround times
- What they won’t be able to tell you
- What insurance they carry