Certified Sustainable Timber: Actively Fight Climate Change with Timbersource
The Timbersource Difference: Guaranteed Legal and Climate-Positive Wood
Choosing timber from Timbersource Limited is not just about quality; it's about making a positive environmental decision. We believe that wood, when sourced correctly, is one of the most powerful tools we have to combat the global climate crisis.
Our commitment to sustainable timber sourcing means we provide you with a product that is both ethically sound and a certified low-carbon building material.
The Double Assurance: Legality Meets Sustainability
We provide maximum reassurance through a two-tiered system that ensures your purchase is both safe and beneficial:
Tier 1: Guaranteed Legality (UKTR Compliance)
Every single plank, board, and sheet product we place on the UK market is automatically compliant with the strict UK Timber Regulation (UKTR).
Our Promise: All our wood has been subjected to rigorous Due Diligence checks, ensuring its legal harvest and protecting the world's forests from uncontrolled, illicit logging. You never have to worry about buying illegal timber from us.
Tier 2: Active Climate Investment (FSC\PEFC Certification)
Legality prevents harm; certification actively generates good. When you choose our certified range, you are actively participating in the global fight against rising CO2 levels.
The Simple Science: When a tree grows, it absorbs and stores atmospheric carbon dioxide. By purchasing certified wood, you are effectively turning your construction or joinery project into a dedicated, long-term CO2 storage facility.
Your Project, A Carbon Sink: The CO2 Advantage
Choosing FSC or PEFC certified wood is the only way to guarantee this environmental return, as it assures the forest is sustainably managed and regenerated.
| Striking Fact | The CO2 Impact |
| The 1:1 Storage Ratio | Every 1 cubic metre (m3) of wood you buy locks away approximately 1 tonne (1,000 kg) of atmospheric CO2 for the life of your project. |
| Emissions Avoidance | Using timber significantly reduces the embodied carbon footprint of a building, displacing carbon-intensive materials like concrete and steel by up to 60%. |
| Forest Protection | Your purchase supports certified forests that mandate reforestation, biodiversity protection, and long-term ecosystem health. |
Why Choose Timbersource for Your Sustainable Timber Needs?
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Verified Chain of Custody: We hold and maintain certified Chain of Custody status, meaning the certified wood is tracked from the forest to your delivery address.
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Wide Certified Range: Access a massive stock of sustainably sourced timber, including Oak, Cedar, Pine, and specialist hardwoods, all available with FSC or PEFC certification.
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Compliance Experts: Our team is trained in UKTR requirements, providing you with the documentation and assurance needed for commercial and public sector projects.
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Ethical Sourcing First: Our due diligence goes above and beyond, ensuring we actively avoid controversial sources and support only those committed to SFM (Sustainable Forest Management).
Ready to build better?
Specify FSC or PEFC certified wood for your next project.
Comparative Chart: Building Materials vs. Carbon
This chart visually demonstrates the advantage of wood, justifying the premium and reinforcing the environmental benefit. It should be static (non-dynamic) and positioned near the carbon statement.
| Material Comparison (Per Cubic Metre) | Embodied Carbon Impact (kg of CO2 Equivalent) | Climate Action |
| Certified Timber (FSC/PEFC) | -1000 kg (Carbon Stored) | Climate Solution |
| Structural Steel (Typical) | +8,000 kg (Carbon Emitted) | High Impact |
| Concrete (Typical Mix) | +1,200 kg (Carbon Emitted) | High Impact |
Chart Key & Explanation
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Negative kg: This signifies the material is storing carbon, removing it from the atmosphere.
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Positive kg: This signifies the material is releasing carbon (through manufacturing energy).
The Bottom Line: By choosing FSC/PEFC certified wood, you are not just selecting a low-carbon material; you are selecting a net-negative material that is actively part of the solution.
About Timbersource - Leading UK Timber Merchants
Since 2001, our warehousing capacity has increased to 340,000 cubic feet, along with our milling, production facilities and external space. We mainly supply sustainable timber, in compliance with the FSC® and PEFC.
FSC® Certification
Forest Stewardship Council® (FSC®) is an international non-profit organisation dedicated to the promotion of responsible forest management. The FSC® has developed a unique system of independent forest certification and product labelling, helping consumers identify timber and products from responsibly managed woodlands. The FSC® is an independent, non-profit, non-governmental organisation (NGO).
The process of certification involves inspecting forests to assess their management according to an agreed set of principles and criteria. These include recognition of indigenous peoples' rights, long term economic viability and protection of wildlife. A wide range of forests have already been certified, from Swedish pine plantations to tropical rainforests in Brazil. The FSC® system is backed by a range of environmental organisations. These include WWF, Friends of the Earth, Greenpeace, the National Trust and the Woodland Trust, as well as major companies, trade unions and other social groups.
Any timber merchant that gains the right to display the FSC® logo can say that their sourced timber comes from responsibly managed forests. More FSC® products mean that more FSC® certified forests are being managed for the long-term well-being of people and the planet.
FSC® has developed 10 rules, or principles, that define good management. These principles are global, they can be applied to any forest in the world.
Principles for forest stewardship:
- Compliance with laws and FSC® principles
- Rights and responsibilities relating to land tenure and use
- Indigenous peoples’ rights
- Community relations and workers' rights
- Benefits from the forest
- Environmental Impact
- Management plan
- Monitoring and assessment
- Maintenance of high conservation value forests
- Plantations
To contact us with any questions about the sustainable wood we use – click here.
PEFC Sustainable Timber Certification
The PEFC Council (Programme for the Endorsement of Forest Certification schemes) is an independent, non-profit, non-governmental organisation, founded in 1999 which promotes sustainably managed forests through independent, third-party certification.
The PEFC provides an assurance mechanism to purchasers of wood and paper products that they are promoting the sustainable management of forests. PEFC is a global umbrella organisation for the assessment and mutual recognition of national forest certification schemes developed in a multi-stakeholder process. These national schemes build upon the inter-governmental processes for the promotion of sustainable forest management, a series of on-going mechanisms supported by 149 governments in the world, covering 85% of the world's forest area. The
PEFC schemes account for over 126 million hectares of forest, producing millions of tonnes of certified timber for the market - making PEFC the world's largest certification scheme.
Testimonial:
Emma Richardson
"Like a lot of people, I worry about the impact my projects have on the climate. Using natural resources can come with a bit of guilt, but Timbersource completely removed that for me. Their commitment to ethical sourcing isn't just a box-ticking exercise; timber came from sustainably managed forests where more trees are planted than harvested. It feels genuinely good to look at my project and know it’s locking away carbon rather than contributing to deforestation. A guilt-free purchase."
To maintain transparency, these figures are derived using the following scientific principles:
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Dry Mass: We assume 50% of the dry mass of timber is solid carbon.
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CO2 Conversion: Every 1kg of solid carbon stored is equivalent to 3.67kg of CO2 removed from the atmosphere.
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The Multiplier: To go directly from density to CO2, we use the multiplier 1.835 (0.5 x 3.67).
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Miles Offset: Based on an average petrol car emitting 0.409kg of CO2 per mile.
| Species | Density (kg/m3) | Solid Carbon (kg/m3) | CO2 Locked (kg/m3) | Car Miles Offset |
| Yellow Balau | 980 | 490 kg | 1,798 kg | 4,396 |
| West African Wenge | 880 | 440 kg | 1,615 kg | 3,948 |
| American White Oak | 770 | 385 kg | 1,413 kg | 3,455 |
| American Hard Maple | 740 | 370 kg | 1,358 kg | 3,320 |
| Keruing | 740 | 370 kg | 1,358 kg | 3,320 |
| European Oak | 720 | 360 kg | 1,321 kg | 3,230 |
| European Beech | 710 | 355 kg | 1,303 kg | 3,186 |
| Dark Red Meranti | 710 | 355 kg | 1,303 kg | 3,186 |
| American Ash | 670 | 335 kg | 1,229 kg | 3,005 |
| Ghana Teak | 660 | 330 kg | 1,211 kg | 2,961 |
| Utile (Sipo) | 660 | 330 kg | 1,211 kg | 2,961 |
| West African Iroko | 640 | 320 kg | 1,174 kg | 2,871 |
| West African Sapele | 640 | 320 kg | 1,174 kg | 2,871 |
| American Black Walnut | 610 | 305 kg | 1,119 kg | 2,736 |
| Sycamore | 610 | 305 kg | 1,119 kg | 2,736 |
| Siberian Larch | 590 | 295 kg | 1,083 kg | 2,648 |
| Canadian Larch | 580 | 290 kg | 1,064 kg | 2,601 |
| American Black Cherry | 560 | 280 kg | 1,028 kg | 2,513 |
| Southern Yellow Pine | 560 | 280 kg | 1,028 kg | 2,513 |
| British Larch | 550 | 275 kg | 1,009 kg | 2,468 |
| West African Idigbo | 540 | 270 kg | 991 kg | 2,423 |
| North American Douglas Fir | 530 | 265 kg | 973 kg | 2,379 |
| British Douglas Fir | 530 | 265 kg | 973 kg | 2,379 |
| American Poplar (Tulipwood) | 510 | 255 kg | 936 kg | 2,289 |
| European Redwood (Pine) | 510 | 255 kg | 936 kg | 2,289 |
| Canadian Western Red Cedar | 390 | 195 kg | 716 kg | 1,751 |
| British Western Red Cedar | 390 | 195 kg | 716 kg | 1,751 |
Reference Summary
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The High-Density Vaults: For projects where carbon storage is the primary environmental goal, species like Balau and Wenge are the elite choices, locking away over 1,600kg of CO2 per cubic metre.
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The Homegrown Champions: Choosing British Larch or British Douglas Fir provides a double-win: significant carbon sequestration (approx. 1,000kg per 1m³) combined with ultra-low "timber miles" by sourcing from UK forests.
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The Lightweight Specialists: Even lightweight softwoods like Western Red Cedar are high-performing carbon stores. While they store less CO2 by volume than Oak, their extreme natural durability ensures the carbon they do hold remains locked away for 50+ years in exterior applications.
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Managed Forest Growth: Every species on this list is sourced from managed forests where at least one tree (often more) is planted for every one harvested, ensuring the cycle of carbon absorption continues indefinitely.
