If you’ve noticed small round holes in timber, fine dust on floors or weakened floorboards, you may have a woodworm problem. Untreated infestations can compromise structural timbers and reduce property value. Timberwise are trusted woodworm specialists in Cardiff, providing professional surveys and targeted woodworm treatment. Established in 1968, we combine decades of experience with PCA-accredited expertise and long-term guarantees.
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We Cover The Following Areas In Cardiff:
- Cardiff (all districts and suburbs)
- Abercynon
- Aberdare
- Barry
- Beddau
- Blackwood
- Bargoed
- Bridgend
- Caerphilly
- Church Village
- Cowbridge
- Cwmbran
- Dinas Powys
- Ebbw Vale
- Ferndale
- Hengoed
- Llanbradach
- Llanedeyrn
- Llanharan
- Llanrumney
- Maesteg
- Merthyr Tydfil
- Mountain Ash
- Nelson
- Newport (Gwent)
- Pencoed
- Penarth
- Pontllanfraith
- Pontypridd
- Porth
- Porthcawl
- Rhondda
- Risca
- Rhoose
- Rumney
- Senghenydd
- Tonypandy
- Tredegar
- Treherbert
- Treharris
- Treorchy
- Ystrad Mynach
Can’t find your area? Just call our team to see if we cover you, or check our full list of locations here.
Why Choose Timberwise?
Local, Cardiff-Based Team
Our PCA-qualified surveyors and technicians cover the entirety of Cardiff and its surrounding areas, meaning that we can help no matter where you are located.
Certified Property Care Specialists
We are members of the Property Care Association, and endorsed by Which? Trusted Traders, as well as being members of Checkatrade, and Trustmark.
Long-Term Guarantees
To give long-term peace of mind, all Timberwise damp proofing and timber treatments carry a 20-year guarantee, and completed basement waterproofing installations are backed by a 10-year guarantee.
Proven Results in Cardiff Properties
Whether you live in an older terraced home, a modern loft or basement conversion, or a listed building, our local team of surveyors and technicians can help.
What Our Customers Say
Read feedback from homeowners who have recieved a survey from Timberwise
Basement Waterproofing Solution in Newport, South Wales
Client: Domestic Our client, a homeowner in Newport, tasked Timberwise with inspecting the physical construction...
Timber Preservation and Wet Rot Control in Abergavenny, Wales
Client: Domestic Our client, a homeowner in Abergavenny, tasked Timberwise with carrying out a pre-purchase...
Dry Rot Treatment in a Terraced Property in Cardiff
Client: Domestic Our client, a homeowner in Cardiff, contacted Timberwise to conduct dry rot treatment...
Recent Projects by Timberwise in Cardiff
Basement Waterproofing Solution in Newport, South Wales
Client: Domestic Our client, a homeowner in Newport, tasked Timberwise with inspecting the physical construction...
Timber Preservation and Wet Rot Control in Abergavenny, Wales
Client: Domestic Our client, a homeowner in Abergavenny, tasked Timberwise with carrying out a pre-purchase...
Dry Rot Treatment in a Terraced Property in Cardiff
Client: Domestic Our client, a homeowner in Cardiff, contacted Timberwise to conduct dry rot treatment...
Where Woodworm Is Found in Cardiff Properties
Woodworm infestations usually occur in timbers that have a high moisture content and have begun to rot. This includes roof timbers, floor joists, or staircases, where an infestation can go unnoticed for months or even years before more visible symptoms manifest.
Woodworm in Cardiff's Older Homes
Most woodworm favour older or rotted timbers due to it being easier to digest. For this reason, many older properties suffer from woodworm infestations at some point in their life.
Victorian and Edwardian terraces, period townhouses, and listed buildings all fall into this category.
Older properties can retain large amounts of original timber, making it important to establish whether an infestation is active and whether the timber remains structurally sound prior to beginning any treatment.
Professional Woodworm Treatment in Cardiff
Wood-boring insects lay eggs in timber, and the larvae feed inside the wood for several years before emerging. Over time, this activity weakens joists, floorboards, roof timbers and structural beams.
Our approach is simple and effective:
- Accurate identification of the insect species
- Assessment of the extent of timber damage
- Targeted, professional woodworm treatment
- Repair or strengthening of affected timbers where required
We treat the cause as well as the infestation, reducing the risk of recurrence and giving you complete peace of mind.
Common Signs of Woodworm
Some of the most common signals we notice during woodworm surveys in Cardiff include:
- Small, round exit holes in timber
- Fine powdery dust (frass) beneath beams or floorboards
- Moist, rotten, crumbly, or weakened wood
- Tunnels visible within cut timber
- Damaged roof timbers in loft spaces
However, historic exit holes do not automatically mean a woodworm infestation is active. If you are unsure, we recommend arranging a professional inspection rather than relying on guesswork. Recognising the problem quickly helps reduce the risk of serious damage in structural timbers.
Structural Timber Repairs Where Needed
Many cases of woodworm can be treated without timber replacement, but in some cases, woodworm damage may require localised timber repairs or strengthening. Where structural integrity is affected, we can advise on appropriate remedial work and book our team of specialists to manage the job for you.
If decay is related to moisture issues, we may also recommend damp control measures to prevent future infestation. Any additional services are explained clearly, including a no-obligation quote with no unnecessary upselling.
Woodworm can affect properties of all ages, particularly where timber has been exposed to higher moisture levels. A professional survey confirms whether activity is current and whether treatment is required.
Whilst we often have same-week availability in Cardiff, it can be dependant on demand. Call 02920 290 558 to speak to us and find the earliest survey appointment that works for you.
Woodworm treatment costs depend on the type of infestation and the extent of the problem in the property. You will receive a written report following your survey that will include a clear quote for any recommended remedial works.
Of course – no matter if you are in the dead centre of Cardiff, or outside the city entirely, our team are going to be able to help. We cover the entire South Wales area, so if you need a survey, just get in touch!
Adult beetles can lay eggs in other suitable timber, which is why active infestations should be treated promptly. Addressing underlying damp issues is also important to reduce the risk of recurrence.
In most cases, you will be able to remain in the property during treatment. Our team will explain any precautions clearly before work begins.
Yes. Our team in Cardiff is PCA-qualified, and Timberwise is endorsed by Which? Trusted Traders. For more information on our different qualifications and endorsements, you can visit our accreditations page here.
Yes, Timberwise offer guarantees on completed work, with different levels of guarantee applied to different types of work.
Damp proof coursing has a guarantee of 20 years, timber treatments have a guarantee of 20 years, and completed basement waterproofing works have a guarantee of 10 years.
For a full list of Timberwise guarantees, and the relevant terms and conditions, visit our guarantee page here.
Of course. Across Cardiff and South Wales we routinely treat Victorian and Edwardian homes, city-centre flats, commercial properties, modern housing and listed buildings. Our team coordinates access with building management and takes care of parking and permit arrangements where required.
Yes, we are ready to work with landlords, estate agents, or anyone within the property chain. We can liase with whoever is in charge of the property to ensure that all works are completed on time whilst minimising disruption for any tenants in the property.
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