The most comprehensive survey for properties in the Isles of Scilly. Detailed structural assessment from RICS qualified inspectors.








Our RICS Level 3 Building Survey represents the most thorough inspection available for residential properties in the Isles of Scilly. This comprehensive survey provides you with an exhaustive assessment of your potential property, examining every accessible element from the roof structure down to the foundations. Whether you are purchasing a traditional granite cottage in Hugh Town or a modern home on St Mary's, our qualified inspectors deliver the detailed technical information you need to make an informed decision about your investment.
The Isles of Scilly property market presents unique considerations that our inspectors understand intimately. With average property values reaching £474,250 and traditional granite-built homes forming the backbone of island architecture, a thorough Level 3 Survey is essential for uncovering any hidden defects, structural concerns, or renovation requirements. Our team has extensive experience assessing properties across all five inhabited islands, from the historic terraces of St Mary's to the more remote properties on Tresco, St Martin's, and Bryher.
The entire Isles of Scilly was designated as a Conservation Area in 1975, making it the only local authority area in England fully covered by a single designation. This special status means that many properties fall under strict preservation requirements, and our surveyors understand the implications this has for both current condition and future renovation possibilities. We identify issues related to historic fabric, traditional building techniques, and any compliance matters that may affect your plans for the property.

£474,250
Average House Price
£670,000
Detached Properties
£534,375
Terraced Properties
£233,333
Flats
-4%
Price Change (12 Months)
741
Properties Sold (10 Years)
130+
Listed Buildings
The unique geography and construction of properties on the Isles of Scilly demands a survey approach that goes beyond standard assessments. Our Level 3 Survey provides a detailed evaluation of the property's condition, identifying defects, their cause, significance, and recommended remediation options. Unlike basic valuations, this survey examines the fabric of the building itself, providing you with a clear picture of what you are actually purchasing. The granite construction prevalent across the islands, some dating back centuries, requires assessors who understand traditional building methods and the specific challenges these present.
Recent market data shows that prices in the Isles of Scilly have experienced a downward trend, sitting approximately 18% below the 2023 peak of £575,792. This shifting market makes it even more important to understand exactly what you are buying. A comprehensive Level 3 Survey ensures you cannot be caught out by hidden problems that could prove expensive to rectify. Our inspectors check everything from wall conditions and roof coverings to dampness, rot, and structural movement, providing you with a detailed report that forms the basis for informed negotiation.
With over 130 listed buildings across the islands, many properties fall under strict preservation requirements. Our surveyors understand the implications of listed building status and can identify issues related to historic fabric, traditional building techniques, and any compliance matters that may affect your renovation plans. This local knowledge proves invaluable when assessing properties in this special designated area, where even minor alterations may require listed building consent from the Isles of Scilly Council.
The predominant natural building material on the islands is granite, used extensively in traditional dwellings and farm buildings. Our inspectors have specific expertise in assessing these traditional granite structures, understanding how age, weather exposure, and past modifications can affect their condition. We look for signs of movement in solid walls, deterioration of pointing between granite blocks, and any issues with traditional lime-based mortars that may have been inappropriately replaced with modern cement.
Rightmove data
Simply select your property type and provide the address. We'll match you with a RICS qualified inspector who knows the Isles of Scilly area. Our booking system takes into account the unique aspects of island properties, ensuring your inspector has appropriate experience with local construction types.
Our inspector visits the property and conducts a thorough, room-by-room assessment. They examine all accessible areas including roofs, walls, floors, and structural elements. On the Isles of Scilly, this includes careful examination of granite pointing, traditional lime render where present, and any signs of coastal weathering or salt damage. We allow sufficient time for properties of all sizes without rushing the inspection.
Within 3-5 working days, you receive your comprehensive RICS Level 3 Survey report. This includes clear sections on condition, defects, and recommendations. The report provides specific repair priorities colour-coded by urgency, along with estimated costs where appropriate. For listed buildings, we include guidance on traditional repair methods that may be required.
If you have any questions about the findings, our team is on hand to explain the report and discuss any concerns you may have about the property. We can advise on the implications of specific defects for insurance purposes, particularly relevant for properties in flood-risk areas or those requiring specialist repair materials only available through island suppliers.
Properties on the Isles of Scilly face unique challenges including coastal exposure, limited access for repairs, and the need for specialist materials when maintaining traditional granite buildings. Our inspectors understand these local factors and factor them into their assessments, ensuring you receive advice that accounts for the realities of island property ownership. The logistics of importing materials to the islands can significantly affect repair costs, and our reports reflect this practical consideration.
The Isles of Scilly presents specific flood risk considerations that our surveyors take into account during every inspection. Hugh Town, the main settlement on St Mary's, sits just over three metres above sea level, placing it at significant risk from coastal flooding and storm surges. The islands are particularly vulnerable to the impacts of climate change, including rising sea levels and increasingly intense weather events. While there are no main rivers on the Isles of Scilly, meaning the risk from river flooding is extremely low, the combination of coastal flooding and intense rainfall overwhelming surface water drainage systems creates a real consideration for property owners.
Our Level 3 Survey includes assessment of flood risk indicators, examining the property's position, drainage systems, and any evidence of past flooding. We look at the condition of existing damp-proof courses, the proximity to the coast, and the effectiveness of any existing flood mitigation measures. For properties in lower-lying areas or those with history of damp issues, this information proves invaluable for both current occupancy and insurance considerations. The absence of formal Flood Risk Areas under the 2009 Regulations does not mean individual properties are not at risk, and our surveys reflect this local reality.
Understanding the geological context also helps our inspectors assess properties more accurately. The Isles of Scilly is dominated by ancient granite intrusions, forming part of the Cornubian Batholith dating back approximately 290 million years. This geology means that shrink-swell risk from expansive clays is unlikely to be a significant widespread issue, though our inspectors remain alert to any site-specific concerns. The granite bedrock does, however, influence drainage characteristics and can affect the performance of certain types of foundations, factors our surveyors consider during their assessment. Properties on the steeper granite headlands may have different foundation considerations than those on the lower-lying areas around Hugh Town.
The Isles of Scilly is seeing modest new build activity, with several developments in the pipeline that prospective buyers should be aware of. At Telegraph Area on St Mary's, the Duchy of Cornwall is developing ten energy-efficient houses, comprising four one-bedroom, four two-bedroom, and two three-bedroom properties. Construction is scheduled to begin in October 2025 with completion expected in winter 2026. These homes are subject to Section 106 agreements restricting them to long-term islanders or key workers, and S J Quick & Sons has been appointed as the contractor.
Other notable developments include the Carn Thomas project on St Mary's, where Three Seas Cornwall is converting a disused primary school into seven affordable homes for local families. This project involves removing 20th-century extensions to reveal original 19th-century granite structures, representing an interesting blend of old and new construction that our surveyors are well-equipped to assess. Additionally, the Ennor Farm development in Old Town, St Mary's, has planning permission for twelve affordable self-build homes, which will be serviced plots guided by a Design Code.
Even new properties benefit from a Level 3 Survey, as our inspectors can identify construction defects, issues with building regulations compliance, and any concerns with materials or workmanship that may not be apparent to the untrained eye. For the new Duchy development at Telegraph Area, our survey would examine the quality of the energy-efficient construction, the appropriateness of materials for the coastal environment, and any issues arising from the rapid construction timeline. The Section 106 restrictions also have implications for future resale that buyers should understand before committing to purchase.

A Level 3 Survey provides a comprehensive inspection and detailed report covering all accessible parts of the property. It includes identification of defects, analysis of their cause, assessment of significance, and recommendations for repair. The report also covers the property's location, local environment, and any legal issues that may affect value. For Isles of Scilly properties, this includes specific assessment of traditional granite construction, conservation requirements, and flood risk factors. Our inspectors examine everything from the condition of the roof structure and chimneys to the состояние of internal plasterwork and floors, providing you with a complete picture of the property's condition.
The inspection itself typically takes between 2-4 hours depending on the size and complexity of the property. We allow our inspectors sufficient time to conduct a thorough assessment without rushing. For larger properties or those with complex historical fabric, the inspection may take longer. You will receive your written report within 3-5 working days of the inspection, though this may be slightly longer for larger or more complex properties. Given the logistics of travel to and from the islands, we ensure our inspectors allocate adequate time for properties in more remote locations such as Tresco or Bryher.
Yes, a Level 3 Survey is strongly recommended for listed buildings on the Isles of Scilly. With over 130 listed buildings across the islands, many properties will have special considerations related to their historic fabric. Our inspectors understand the implications of listed building status and can identify issues specific to historic properties, including traditional construction methods, the use of historic materials, and any matters that may affect listed building consent for future works. The entire Isles of Scilly being a Conservation Area adds additional layers of consideration that our surveyors are experienced in assessing. We can advise on whether past works appear to have been carried out with appropriate consents, which is particularly important for properties where owners may have undertaken sympathetic renovations over the years.
Absolutely. The detailed information in a Level 3 Survey gives you strong grounds for negotiation. If significant defects are identified, you can request that the seller addresses them before completion, reduce the asking price to account for repair costs, or in some cases, renegotiate terms based on the survey findings. The Isles of Scilly market has seen price reductions recently, sitting approximately 18% below the 2023 peak, making this even more relevant for buyers. Our reports provide specific cost guidance that enables you to make accurate adjustments to your offer. The limited availability of contractors and materials on the islands can also affect repair costs, and our reports reflect this local reality.
If our survey identifies serious defects, we provide clear recommendations for further investigation by specialists such as structural engineers. The report prioritises issues by severity, helping you understand which problems require immediate attention and which can be addressed over time. You can then decide whether to proceed with the purchase, negotiate on price, or withdraw from the transaction if the issues are too significant. For properties with granite construction, our inspectors can often distinguish between historic movement patterns and more recent structural concerns, providing important context for any decisions you need to make.
Our RICS Level 3 Surveys in the Isles of Scilly start from £600 for standard properties. The exact cost depends on the size, type, and condition of the property. Given the unique nature of properties on the islands and the specialist knowledge required, prices reflect the comprehensive service and local expertise provided by our inspectors. Properties requiring travel to the more remote islands such as Tresco, Bryher, or St Martin's may incur additional costs reflecting the logistical challenges involved. You can obtain a precise quote using our online booking system, which takes account of all these factors.
Granite properties on the Isles of Scilly present specific challenges that our inspectors are trained to identify. These include deterioration of lime mortar pointing between granite blocks, which can allow water ingress and salt penetration from the coastal environment. We also look for signs of settlement or movement in solid walls, which may be historic or may indicate ongoing issues. The age of many properties means that original lime-based renders may have been inappropriately replaced with cement renders, trapping moisture and causing internal damp problems. Our surveyors understand these traditional building methods and can advise on appropriate repair approaches that maintain the character of the property while addressing structural concerns.
The entire Isles of Scilly being designated as a Conservation Area in 1975 means that any external alterations, including window replacements, extensions, or even some internal works affecting the external appearance, may require planning permission or listed building consent. Our surveyors will identify any apparent alterations that may not have received appropriate consents, which could affect your ability to make further modifications in the future. We also assess the condition of historic features such as traditional windows, doors, and granitework that contribute to the conservation area's character. Understanding these restrictions before purchase is essential for planning any renovation or improvement works.
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The most comprehensive survey for properties in the Isles of Scilly. Detailed structural assessment from RICS qualified inspectors.
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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.