Chimney sweeps · Merthyr Tydfil

Listings last refreshed 9 October 2026

Best Chimney Sweep in Treharris: Local Pros Compared

1 chimney sweep in Treharris, ranked by Sweep Score using Google reviews and profile data.

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1sweep ranked

81Google reviews analysed

0open Saturdays

£55–85typical standard sweep

Hiring a Local Chimney Sweep in Treharris

Valley Sweep is the chimney sweep serving Treharris, with 81 customer reviews and a Sweep Score of 7.3 out of 10. Based in the CF46 postcode area, they cover Bedlinog and Trelewis. This guide breaks down local pricing for everything from open fires to flue liners, shows what to expect from a professional sweep, and explains why booking before September gives you the best chance of an appointment.

Top Rated Chimney Sweeps in Treharris Compared

Compare the top picks side by side. Full write-ups follow below.

#	Sweep	Best for	Score	Rating	Verified
#1	Valley Sweep	An established local sweep with plenty of reviews	7.3	81 reviews	—

1Valley SweepAn established local sweep with plenty of reviews7.3

Treharris Chimney Sweep Reviews and Ratings

1. Valley Sweep

Best for: An established local sweep with plenty of reviews

7.3Sweep Score

Treharris81 reviews

Score breakdown and details

Location: Treharris · 17 Ivy Cl, Trelewis, Treharris CF46 6ET
Track record: Established, healthy review volume
Rating: 81 Google reviews
Profile: Unclaimed listing (Google data)
Today: See hours on profile

Recommendation7.1

Trust7.6

Confidence: high

Strengths

81 Google reviews, a well established track record
Direct phone number published, no lead form in the way
Has its own website with more detail on services
Opening hours published

Watch Out For

The Google profile is not owner verified. Double check the address and phone when you call.

Our take: Our top pick in this area. A Sweep Score of 7.3/10 reflects the best combination of rating, review depth and profile completeness here.

How Much Does a Chimney Sweep Cost in Treharris?

Chimney sweep costs in Treharris range from £55 to £85 for a standard open fire sweep, while wood burners and multi-fuel stoves run £60 to £90. More specialised work costs more: CCTV inspections sit between £85 and £140, and major repairs like chimney stack repointing can reach £280 to £930. What moves the price depends on how complex the job is, and which fittings or parts are involved. Bird nest removal, flue liners and chimney pot replacement all sit at different price points based on access and materials.

Typical standard sweep£55 to £852026 guide price for Treharris

Typical chimney sweep prices in Treharris
Service	Guide price
Sweeping
Open fire chimney sweepStandard brick chimney, one flue	£55 to £85
Wood burner or multi fuel stove sweepIncludes flue liner and baffle clean	£60 to £90
Range cooker or Aga flue sweepExtra time to strip down and reassemble	£75 to £110
Second flue on the same visitDiscount for an extra flue at the same address	£30 to £45
Power (rotary) sweep for heavy tarFor glazed or tarred flues a brush cannot shift	£85 to £140
Inspection and safety
CCTV chimney inspectionCamera survey with recorded footage	£85 to £140
Smoke or draw testOften included with a sweep; checks the flue pulls	£35 to £65
Wood burner annual serviceRope seals, glass, firebricks and baffle checked	£85 to £140
Repairs and fittings
Bird nest removalOutside nesting season; depends on size and depth	£75 to £150
Bird guard or cowl fittedSupply and fit, access dependent	£65 to £140
Chimney pot replacementAccess equipment or scaffold extra	£140 to £370
Chimney stack repointingSize, condition and scaffolding dependent	£280 to £930
Flexible flue liner supply and fitHeight of chimney and liner grade dependent	£835 to £2045

Guide prices only, not quotes from listed businesses. Always confirm with your sweep.

Valley Sweep's Treharris Coverage and Specialisms

The single local sweep operating in Treharris covers the town and surrounding wards of Bedlinog and Trelewis. You can reach them for routine sweeping, inspections and repairs across the CF46 postcode. Most sweeps in Wales offer both domestic and commercial work, though it's worth checking what fits your needs before you call.

Beyond the basic sweep, ask whether they handle specialist jobs. Common extras include CCTV inspections to see inside the flue without climbing the roof, smoke and draw tests to check whether your chimney pulls properly, and power sweeping for heavy tar or soot buildup. Many sweeps also fit bird guards or cowls, supply and install flexible flue liners, and replace chimney pots.

When Bird Nests Block Your Flue

Bird nests in your chimney are common in spring and summer. If you find one, removing it safely matters because nesting birds are protected by law during breeding season. Sweeps are trained to handle this without breaking the law or damaging the nest.

Removal typically costs £75 to £150 depending on how deep the nest sits and how much debris is tangled in the flue. Once it's clear, fitting a bird guard or cowl (£65 to £140) stops it happening again. Ask your sweep whether they recommend one for your type of chimney.

Nests block flue gases and reduce heating efficiency
Spring and summer removals are most common
Guards and cowls prevent repeat blockages

Looking Further Afield: Sweeps Near Treharris

If you can't reach a sweep in Treharris itself, several operate within a short drive. Hengoed is 3 miles away with 1 sweep, Newbridge sits 6 miles out with 1 sweep, and Aberdare (7 miles) has options too. Ebbw Vale, 8 miles north, has 2 sweeps to choose from. All three towns have the same range of services as you'd find locally.

The postcode system means sweeps often cover a wider area than their home town suggests. Many will travel across Merthyr Tydfil and neighbouring valleys. Always call to confirm they reach your address before booking.

Best Time to Book Chimney Cleaning in Treharris

Book your chimney sweep in Treharris during May to August to avoid the September rush and ensure your chimney is ready before the heating season starts. Waiting until autumn means longer waits and tighter schedules for available sweeps.

General UK booking pattern for chimney sweeps, shown as a guide rather than measured local data.

Frequently Asked Questions About Chimney Sweeps in Treharris

Straight answers to the questions homeowners ask before booking a sweep.

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How often should I have my chimney swept?

If you use an open fire regularly, sweep it at least once a year. Wood burners and multi-fuel stoves should be swept 1 to 2 times yearly, and Aga or range cooker flues once annually. Regular sweeping prevents buildup and reduces fire risk.

What's the difference between a sweep and an inspection?

A sweep cleans the flue of soot and debris. An inspection (usually CCTV) photographs the inside of the chimney to spot cracks, blockages, loose mortar or other damage. Many sweeps recommend an inspection if you've never had one, or if the chimney isn't drawing properly.

Do I need a certificate after my chimney is swept?

Yes. Your sweep will provide a sweeping certificate as proof the work is done. Keep it for insurance records and for your own safety log. Some insurers ask to see certificates if you make a claim.

What is a smoke test and why might I need one?

A smoke test checks whether your chimney draws air properly and isn't leaking smoke into the room. If you notice smoke backing up into your home or weak drafts, a smoke or draw test (£35 to £65) tells you whether the flue is the problem.

Can a chimney sweep remove a bird nest?

Yes, but only outside nesting season or if the nest is unoccupied. Removal costs £75 to £150 and a guard fitted afterwards (£65 to £140) stops birds nesting again. Always check with the sweep before booking.

What does a flexible flue liner do?

A flexible flue liner is a metal tube fitted inside an old or damaged chimney to create a safe, smooth passage for gases. It costs £835 to £2045 to supply and install, depending on the chimney height and complexity. It's often the answer if your chimney can't be repaired in place.

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