Thorough structural surveys for properties across the Cynon Valley. Detailed inspection report with clear recommendations.








We provide detailed RICS Level 3 Building Surveys for properties throughout Hirwaun and the surrounding Rhondda Cynon Taf area. Our qualified inspectors conduct thorough structural assessments that go far beyond a basic condition report, examining every accessible element of your potential property to identify defects, structural concerns, and renovation considerations before you commit to your purchase. Whether you are looking at a modern new-build on one of the recently approved developments like the Castell Group's 23-home scheme off Trewaun, or considering a historic terraced property in the village centre, our surveyors bring local knowledge of Hirwaun's specific construction challenges.
From understanding the legacy of coal mining beneath the Cynon Valley to identifying the specific risks associated with properties in flood-risk zones near the River Cynon, we ensure your survey report reflects the real conditions of your target property. Our team has surveyed hundreds of properties in this area, giving us firsthand experience with the common defects and hidden issues that affect homes here. We know what to look for, from signs of mining subsidence in older terraced houses to the particular construction methods used in local post-war housing developments.

£188,958
Average House Price
£268,885
Detached Properties
£171,417
Semi-Detached Properties
£117,187
Terraced Properties
The Hirwaun housing market has shown significant growth, with overall prices increasing by 19% in the last 12 months compared to the previous year, now sitting 18% above the 2022 peak of £168,272. This active market, combined with the diverse range of property types from Victorian terraces to new timber-frame affordable homes, makes a comprehensive RICS Level 3 survey essential for any buyer. The village has seen considerable regeneration in recent years, with new developments bringing modern construction methods alongside the established housing stock that reflects decades of mining heritage and post-war expansion.
Our inspectors understand the specific risks facing Hirwaun properties. The area's industrial past, particularly the legacy of Tower Colliery which closed in 2008 as the last deep coal mine in Wales, creates potential mining subsidence concerns that affect properties across the Cynon Valley. Additionally, the flood risk from the River Cynon was dramatically demonstrated during Storm Dennis in February 2020, when 30 homes and a commercial property suffered internal flooding. A Level 3 survey will identify any previous flood damage, assess current flood resilience measures, and highlight any signs of ground movement or structural stress that could indicate ongoing issues.
The varied age of properties in Hirwaun also presents unique survey considerations. While 47.7% of properties were built between 1945 and 1999, the village's industrial heritage dating back to the 18th century means some properties predate 1900 and require particularly careful inspection. Properties on the Gower estate have been identified as containing Reinforced Autoclaved Aerated Concrete (RAAC), a material used between the 1950s and 1980s that poses serious structural risks. Our surveyors know where to look for these specific defects and will provide you with clear guidance on any remediation required.
The underlying geology of the Rhondda uplands, which includes Hirwaun, is primarily Upper Coal Measures, chiefly Pennant Sandstone characterized by numerous fractures. This geological composition, combined with the boulder clay (till) deposits left by glacial activity, creates potential for clay shrink-swell movement that can affect foundations. Our surveyors assess all these local factors when evaluating the structural integrity of your potential property, providing you with a report that addresses the specific challenges of building in this part of Wales.
A RICS Level 3 Building Survey provides the most comprehensive inspection available for residential properties. Unlike a basic HomeBuyer Report, this survey includes detailed analysis of all structural elements, from foundations and walls to roof coverings and drainage systems. Our inspectors will assess the condition of every accessible area, document defects, and provide professional advice on repairs, maintenance, and any urgent issues that require immediate attention.
For Hirwaun properties, our survey specifically addresses the local risk factors. We examine foundations for signs of mining subsidence or clay shrink-swell movement, assess flood damage history and current resilience measures, and identify any construction defects common to the area's various housing types. Whether your property is a detached home on Greenwood Drive, a terraced house on Station Road, or a new-build in one of the recent developments, we provide the detailed technical information you need to make an informed purchase decision.
The inspection covers all accessible areas of the property including the roof space, basement or crawl spaces, garages, and outbuildings. We photograph and document all significant defects, provide condition ratings for each element, and include clear recommendations for remedial works prioritized by urgency. For properties in Hirwaun's flood-risk zones near the River Cynon, we specifically assess the effectiveness of any existing flood resilience measures and advise on improvements that could protect your investment.

Source: Zoopla/HM Land Registry 2024
Choose a convenient date and time for your property inspection. We'll confirm your appointment within 24 hours and send you pre-survey guidance to help you prepare. Our booking system shows available slots across the next two weeks, and we can often accommodate urgent requests if you have a tight completion deadline on your property purchase.
Our RICS-certified surveyor visits your Hirwaun property to conduct a thorough visual inspection of all accessible areas. The inspection typically takes 2-4 hours depending on property size and complexity. For larger properties or those with additional buildings, the inspection may take longer. We examine roofs, walls, foundations, floors, windows, doors, and all building services, noting any defects or areas of concern that require further investigation.
Within 5-7 working days of the inspection, you'll receive your comprehensive RICS Level 3 survey report. The report includes clear condition ratings, defect descriptions, and prioritized recommendations. Each section of the report is written in plain English with accompanying photographs and diagrams where appropriate, making it easy to understand the condition of the property and the implications of any issues found.
If you have questions about your report or need clarification on any findings, our team is available to discuss the results and advise on next steps, including any follow-up inspections or specialist assessments. We can also liaise with your conveyancing solicitor to ensure the survey findings are properly addressed in negotiations with the seller.
Hirwaun properties face specific structural risks that make a Level 3 survey particularly valuable. The area's mining history means properties may be affected by historic subsidence, while the flood risk from the River Cynon was demonstrated dramatically during Storm Dennis in 2020 when 30 homes suffered internal flooding. Properties containing RAAC concrete, particularly on the Gower estate, require specialist assessment. Our surveyors understand these local issues and will provide detailed guidance specific to your property.
Hirwaun is experiencing a period of significant new development, with several schemes bringing modern housing to the area. The Castell Group received planning approval in October 2025 for a 23-home development north of Trewaun, comprising flats and houses including 10 one-bed flats, 6 two-bed flats, 5 two-bed houses, and 2 three-bed houses. Meanwhile, Life Property Group, in partnership with Newydd Housing Association, is delivering 41 affordable homes adjacent to Bryngelli Industrial Estate using modern timber frame construction methods. On Hirwaun Road, Emtrek Limited has completed 6 semi-detached homes priced at £195,000 each, complete with 10-year LABC warranty.
Even for new-build properties, a RICS Level 3 survey provides valuable protection. While new homes are covered by warranties, these often have limitations and may not cover all defects. Our detailed inspection can identify any construction issues, workmanship concerns, or design flaws that might not be apparent to a casual viewer. For timber frame constructions, which are increasingly common in new Welsh developments, we can assess the quality of assembly and identify any potential moisture penetration issues that could affect the structural integrity over time.
The Emtrek Limited development on Hirwaun Road demonstrates the modern construction methods now common in the area, featuring painted rendered finishes externally. While these new homes come with LABC warranty protection, a Level 3 survey still adds value by documenting the as-built condition of the property, identifying any snagging issues, and providing before you commit to what is likely to be the largest purchase you will ever make.
Hirwaun contains several Grade II listed buildings, including the historic Hirwaun War Memorial Clock Tower erected in 1924, Siloa Baptist Church on the A4059, and properties such as 44 Swansea Road with its forecourt wall and piers. Properties of this age and historical significance require particularly thorough structural assessment, and a RICS Level 3 survey is strongly recommended for any listed building purchase.
Our surveyors have experience assessing properties in the Rhondda Cynon Taf area and understand the specific requirements for listed buildings, including the need to consider both structural integrity and historical significance. We can identify defects common to older properties, such as movement in solid walls, deterioration of traditional building materials, and issues with historic fixtures and fittings. The report will also highlight any requirements for Listed Building Consent should you wish to carry out renovations or repairs after purchase.
The Rhondda Cynon Taf Local Development Plan indicates three Scheduled Ancient Monuments in Hirwaun, reflecting the area's rich industrial heritage dating back to the Hirwaun Ironworks of the 18th century. If you are considering purchasing a historic property in the area, our detailed survey will provide you with the technical information needed to understand any structural concerns while respecting the historical character of the building.

Properties on the Gower estate in Hirwaun have been identified as containing Reinforced Autoclaved Aerated Concrete (RAAC). This material, used in construction between the 1950s and 1980s, has been linked to structural failures and poses serious safety risks. If you are considering a property in this area, a RICS Level 3 survey is essential as it specifically assesses structural integrity and can identify the presence of RAAC. The estimated repair cost for affected properties is around £23,000, making early identification crucial. Our surveyors know how to identify the visual indicators of RAAC construction and will advise on the appropriate specialist structural engineer assessment if this material is suspected.
A RICS Level 3 Building Survey provides the most comprehensive inspection available for residential properties. It includes a thorough visual examination of all accessible areas of the property, from the roof structure to the foundations. Our report covers the condition of walls, floors, ceilings, windows, doors, and building services, along with specific assessments for defects, structural movement, and potential risks. Unlike simpler reports, we provide detailed analysis of construction materials, building methods, and specific advice on repairs and maintenance requirements tailored to the property type and location. For Hirwaun properties specifically, we include assessment of mining subsidence risk, flood history from the River Cynon, and identification of construction types common in the area such as RAAC concrete.
RICS Level 3 survey costs in Hirwaun typically start from around £560 for a standard terraced property, rising to £800-£1,000 or more for larger detached homes or complex properties. The exact price depends on factors including property size, age, construction type, and current condition. For properties requiring particularly detailed assessment, such as those with historic features, potential flood risk, or suspected mining subsidence issues, prices may be higher. We provide competitive quotes tailored to your specific property, and you can expect a detailed breakdown of costs when you request a quote online or by phone.
Hirwaun presents specific risks that make a comprehensive Level 3 survey particularly valuable. The area has a documented history of coal mining, creating potential for mining subsidence affecting property foundations. The flood risk from the River Cynon was clearly demonstrated during Storm Dennis in 2020 when 30 homes suffered internal flooding, primarily in the Cae Felin Parc area. Properties may also contain construction defects associated with the area's varied housing stock, including RAAC concrete in some post-war developments on the Gower estate where 77 homes have been identified as potentially affected. A detailed survey will identify these specific risks and provide guidance on any necessary remedial work, giving you confidence in your property purchase decision.
Yes, our surveyors are trained to identify signs of mining subsidence and ground movement. While a visual survey cannot detect underground mining activity, we can identify structural indicators such as cracking patterns consistent with subsidence, uneven floor levels, doors and windows that do not close properly, and signs of movement in walls and foundations. For properties in the Hirwaun area, where coal mining has been extensive including the operations at Tower Colliery which closed in 2008 as the last deep coal mine in Wales, this assessment is particularly important. We will advise if further specialist investigation by the Coal Authority is recommended, and we can check the Coal Authority's database of historical mining records as part of our assessment process.
The inspection itself typically takes between 2-4 hours depending on the size, complexity, and condition of the property. A small flat or terraced house may take around 2 hours, while larger detached properties or those in poor condition may require 4 hours or more. The duration also depends on how many outbuildings or garages are included and whether there are any complex structural elements that require additional investigation. After the inspection, we aim to deliver your comprehensive written report within 5-7 working days, though this may be longer for very complex properties or during busy periods. We will always provide you with an estimated timeline when booking your survey.
Yes, a RICS Level 3 survey includes assessment of flood risk and previous flood damage. Our inspector will look for signs of previous flooding such as water marks, damaged plasterwork, and signs of damp at lower levels. We also consider the property's location in relation to flood zones and the River Cynon, and will note any flood resilience measures present. Given the documented flood history in Hirwaun, including the significant flooding during Storm Dennis in 2020 when 30 homes and a commercial property suffered internal flooding, this assessment is particularly valuable for properties in the area. We will advise on any steps you can take to reduce flood risk and recommend further specialist assessments where appropriate.
If our survey reveals serious structural problems, we will clearly flag these in your report with priority ratings indicating what requires immediate attention versus what can be monitored or addressed over time. We provide detailed recommendations for remedial works with estimated cost guidance where possible. You can then use this information to negotiate with the seller, either requesting repairs before completion or a reduction in the purchase price to cover the cost of remedial works. In some cases, we may recommend a follow-up inspection by a structural engineer for more detailed assessment of specific issues, particularly for properties with suspected mining subsidence or those containing RAAC concrete.
Even for new-build properties, a RICS Level 3 survey provides valuable protection and . While new homes are covered by warranties such as the 10-year LABC warranty available on properties like the Emtrek Limited development on Hirwaun Road, these warranties often have limitations and may not cover all defects. Our detailed inspection can identify any construction issues, workmanship concerns, or design flaws that might not be apparent to a casual viewer. For the timber frame constructions being used in new developments like the Life Property Group scheme adjacent to Bryngelli Industrial Estate, we can specifically assess the quality of assembly and identify any potential moisture penetration issues that could affect the structural integrity over time.
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Thorough structural surveys for properties across the Cynon Valley. Detailed inspection report with clear recommendations.
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Homemove is a trading name of HM Haus Group Ltd (Company No. 13873779, registered in England & Wales). Homemove Mortgages Ltd (Company No. 15947693) is an Appointed Representative of TMG Direct Limited, trading as TMG Mortgage Network, which is authorised and regulated by the Financial Conduct Authority (FRN 786245). Homemove Mortgages Ltd is entered on the FCA Register as an Appointed Representative (FRN 1022429). You can check registrations at NewRegister or by calling 0800 111 6768.