Pricing a Thatched Roof
How Much Does it Cost to Thatch a Roof
The cost of thatching or re-thatching a roof in Ireland varies widely. There is no single fixed price. Costs depend on a combination of the roof’s size and complexity, the materials and techniques used, site conditions, and a range of practical factors.
Industry figures for water reed (the material we specialise in) typically indicate supply and fixing rates vary widely, with overall project costs for a standard cottage often falling in the €30,000–€40,000+ range. More complex or larger roofs can exceed this significantly. These are indicative ranges only; material prices, labour rates, and logistics can change, and an accurate quotation requires a site assessment.
Below we outline the main factors that influence cost so you can understand what drives a quote.
Size of the Roof
Larger roofs require more materials and more labour. Costs are usually calculated by the square metre of roof surface (not the building footprint). A simple rectangular cottage roof will cost less per square metre than a large or multi-pitched roof of the same overall area because of efficiency of working.
Design of the Roof
A straightforward gable roof is the most economical. Hipped roofs, multiple valleys, complex intersections, or non-standard pitches increase labour time, material waste, and the skill required. Steeper pitches or unusually shaped roofs also affect scaffolding and working methods.
Type of Thatch
Water reed is the most durable option commonly used in Ireland and typically lasts 20–30 years (or longer under favourable conditions) when properly installed and maintained. Straw thatch is generally less expensive but has a shorter lifespan and may require more frequent attention. We work exclusively with water reed to a typical finished thickness of around 350 mm (14 inches). Material quality and sourcing also affect the final price.
Traditional Roof or Battened Roof
Traditional Irish thatched roofs are often laid over scraws (turf underlay) on existing or repaired timber structures. Modern or hybrid systems may use battens and modern underlays. The preparatory work, timber condition, and chosen system influence both cost and long-term performance. A full strip and rebuild of the base can add substantially to the total if the underlying structure needs upgrading.
Type of Ridge
The ridge is one of the most visible and labour-intensive parts of a thatched roof. A simple, functional ridge is the most economical. More decorative finishes—ornamental patterns, scalloped edges, or highly detailed traditional styles—require additional skill, time, and materials and therefore increase the cost.
Height of the Roof
Higher roofs need more extensive scaffolding, additional safety measures, and longer working times. Single-storey cottages are generally simpler and less expensive to scaffold and thatch than two-storey or higher buildings.
Type of Building
Costs differ between traditional cottages, larger houses, barns, commercial premises (such as pubs), heritage structures, and new builds. Protected or historic buildings may involve additional conservation requirements, specialist detailing, or liaison with local authorities. New builds sometimes allow more efficient modern detailing but still require skilled thatching.
Features in the Roof
Dormers, hips, valleys, skylights, vents, and other penetrations all add complexity. Each feature requires careful detailing to ensure weather-tightness and longevity, increasing both labour and material use.
Windows in the Roof
Dormer windows in particular need precise integration with the thatch. Poorly detailed dormers can create weak points, so additional time is spent on flashing, layering, and finishing around them.
Access to All Parts of the Roof
Restricted access (narrow lanes, steep sites, limited space for material storage or machinery, or dense vegetation) increases the time needed for materials handling, scaffolding, and working. Good access and on-site storage (for example, a barn or hardstanding) can help keep costs down.
Scaffolding Cost
Scaffolding is a significant and variable cost. It is often quoted separately or included as a specific item. Typical residential scaffolding for thatching work can range from around €3-5000 or more, depending on the size and height of the building, the duration of the hire, and the need for full wrap-around or specialist access. Longer projects or complex sites increase this element.
Disposal of Waste Removed from the Roof
Stripping old thatch produces bulky waste. Costs include skip hire or alternative disposal, transport, and any associated landfill or recycling charges. The volume depends on the age and thickness of the existing layers and whether multiple old coats need to be removed.
Fireproofing (if Required)
Fire-retardant treatments, barrier foils, or other protective measures can be applied where requested or required by insurers or regulations. These are additional costs and are not part of a standard thatching quote. Requirements vary; some insurers may favour certain treatments or simply require practical measures such as spark arrestors, chimney maintenance, and electrical safety. Always discuss fire safety with your insurer and local fire officer.
Location
Mainland locations are generally more straightforward. Offshore islands and remote sites incur higher costs due to transport of materials and personnel, potential ferry logistics, and sometimes the need for temporary accommodation. Urban or tightly constrained sites may also attract additional access or scaffolding premiums.
Pitfalls and Unexpected Issues
Common issues that can increase costs include:
- Rotten or inadequate roof timbers requiring repair or replacement
- Multiple layers of old thatch that need extensive stripping
- Chimney problems (poor flashing, structural issues, or the need for new detailing)
- Structural repairs identified during the work
- Additional levelling or base preparation
A contingency of 10–20% is often advisable for older buildings. A thorough site survey helps identify many of these risks in advance.
Availability of Accommodation
For projects in remote areas or on islands, the practicalities of accommodating the thatching team can influence scheduling and cost. Providing suitable on-site or nearby accommodation can sometimes help, while the lack of options may add logistical expense.
Weather Conditions
Thatching is weather-dependent. Prolonged wet or windy periods can delay progress. Fixed-price quotations usually allow for normal conditions; extended delays may affect overall project duration and associated costs such as scaffolding hire.
Additional Relevant Considerations
Typical Project Timescale
A typical cottage of around 45 feet in length often takes 5–6 weeks for a full re-thatch, longer if the roof has complex features or if weather intervenes.
Longevity and Ongoing Maintenance
A well-laid water-reed roof commonly lasts 20–30 years in Irish conditions (excluding the ridge). The ridge typically needs renewing every 8–12 years. Annual or periodic maintenance, including treatments such as bluestone where appropriate, helps maximise lifespan.
Grants
Financial assistance is available in some cases:
- The Department of Housing, Local Government and Heritage Thatching Grant offers up to €3,810 (or two-thirds of the approved cost, whichever is less) for qualifying owner-occupied houses. Higher amounts apply for specified islands and for medical-card holders. The house must generally be at least 10 years old and used as a normal residence. Work must not start before inspection.
- Additional support may be available through the Built Heritage Investment Scheme (including a dedicated stream for historic thatched buildings, with grants up to €20,000 in some cases) and other heritage funds administered by local authorities.
Eligibility conditions apply and funding is not automatic. Check the latest details with the Department or your local authority. Read a blog post about thatching grants for 2026/2027 on ThatchingTools.ie
Insurance
Thatched properties usually attract higher insurance premiums because of fire risk. Practical measures (chimney maintenance, electrical safety, fire extinguishers, and sometimes treatments) can influence availability and cost. Discuss requirements with specialist insurers early in the process.
Getting an Accurate Quote
Because every roof is different, the most reliable way to obtain a figure is to provide:
- Accurate measurements or a sketch of the building footprint
- Clear photographs of the building, the roof from all sides, and the surrounding area (showing access and potential storage)
- Your Eircode/location
We can then discuss requirements and, where appropriate, arrange a site visit for a detailed assessment and quotation. Quotes are normally valid for a limited period due to material-price volatility.
Thatching represents a higher initial investment than many conventional roof coverings, but it offers excellent insulation, distinctive character, and—when properly maintained—a long service life without the need for gutters, downpipes, or regular painting of associated components.
For a tailored estimate for your property, please contact us with the details above. We are happy to discuss your project and provide professional advice.