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RICS Level 3 Surveys

RICS Level 3 Survey Isle of Gigha (PA63)

Detailed structural survey for older, larger, and unique properties on the Isle of Gigha

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Your RICS Level 3 Survey in PA63

A RICS Level 3 Survey (sometimes called a full structural survey) is the most comprehensive property inspection available. Unlike a basic condition report, this thorough examination delves deep into the construction, condition, and potential defects of your property. Our experienced surveyors spend considerable time examining every accessible area of the building, from the roof space to the foundations, providing you with a detailed understanding of what you are buying. We check every major element systematically, documenting our findings with photographs and detailed descriptions that help you understand exactly what condition the property is in.

On the Isle of Gigha, where housing stock ranges from historic listed buildings to newly constructed affordable homes, understanding the condition of your property is particularly important. The island's unique character, with properties dating back to the 19th century alongside newer developments, means that each building presents its own set of considerations. Our surveyors are familiar with the traditional construction methods used in this area, including the harled random rubble walls and slate roofing that characterise many older properties, as well as the more modern techniques employed in recent developments like the affordable homes at Ardminish.

Whether you are purchasing Achamore House, a period property in Ardmenish, or one of the newer affordable homes on the island, our detailed survey gives you the confidence to proceed with your purchase. We identify defects that might not be visible during a casual viewing, from structural movement in traditional masonry to deterioration in slate roofing that has been exposed to Atlantic weather for decades. The investment in a Level 3 Survey could save you thousands in unexpected repair costs and give you negotiating power if significant issues are found.

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Isle of Gigha Property Market Overview

Various ages from 1880s to new builds

Properties Surveyed

187 residents

Population (2022)

102 homes

Total Dwellings

11 properties (16%)

Second Homes

Pre-1900 common

Average Property Age

7+ protected structures

Listed Buildings

Why Isle of Gigha Properties Need a Level 3 Survey

The Isle of Gigha presents a distinctive property landscape that often necessitates a detailed structural survey. With properties such as Achamore House (built in 1884) and numerous other historic buildings, the island has a significant number of older homes that require careful examination. Many of these older properties were constructed using traditional methods including random rubble walls with squared blocks to quoins and margins, grey slate roofing, and lime-based mortars that behave differently from modern materials. These construction techniques, while historically appropriate, require specialist knowledge to assess properly, as they can develop issues that differ from modern cavity wall construction.

In 2002, when the community purchased the island through the Isle of Gigha Heritage Trust, a staggering 95% of the 42 community-owned properties were rated below UK standards, highlighting the extent of renovation needs that exist in older island housing. While much restoration work has been undertaken since then, including the development of new affordable homes and improvements to existing stock, the legacy of older construction methods means that properties here often conceal issues that only a detailed survey can uncover. Our surveyors know to look for signs of past movement, deterioration in lime mortar pointing, and the condition of traditional slate fixings that may have been repaired with inappropriate modern materials over the years.

The island's geography also plays a role in property condition considerations. Being a small island off the west coast of Scotland, properties face exposure to Atlantic weather systems, which can accelerate wear on external elements. The salt-laden wind and driving rain that characterise the west coast climate can cause particular problems with external render, roof coverings, and timber joinery. The recent development of five new affordable homes at Ardminish by the Isle of Gigha Heritage Trust represents the newer end of the housing spectrum, but even these modern properties benefit from a professional inspection to verify construction quality and identify any snagging issues that builders should rectify before your purchase completes.

Properties built before 1900
Listed buildings (7+ on the island)
Large detached homes
Properties with non-standard construction
Any building with visible defects or alterations

Common Defects Found on the Isle of Gigha

Based on our experience surveying properties throughout the Isle of Gigha and the wider Argyll area, several recurring defect patterns emerge. The older harled properties, typical of the island's 19th-century housing stock, frequently show signs of cracking in external walls that may be caused by settlement, thermal movement, or structural issues. Our surveyors examine these cracks carefully, measuring their width and pattern to determine whether they are cosmetic or indicate more serious structural movement that requires further investigation by a structural engineer.

Slate roofing is another area of particular concern on Gigha. Many properties feature traditional grey slate roofs that, while durable, have a finite lifespan and require ongoing maintenance. We frequently find damaged or missing slates, deteriorated lead flashings around chimneys, and issues with mortar bedding that has washed out over time. Given the island's exposure to Atlantic storms, slipped or broken slates are a common finding that needs prompt attention to prevent water ingress into the roof structure.

The render systems on older properties also warrant careful inspection. Traditional harl render, while breathable and appropriate for historic buildings, can deteriorate when water penetration occurs or when cement-based repairs have been applied inappropriately. We have seen numerous cases where well-meaning but incorrect repairs have caused moisture to become trapped within the wall structure, leading to internal damp problems. Our Level 3 Survey provides specific advice on appropriate repair methods for these traditional buildings.

Timber joinery, including windows and external doors, often shows signs of decay in properties that have not been recently renovated. The combination of age, exposure to weather, and sometimes inadequate maintenance means that rot can be hidden in areas not immediately visible. We probe timber elements carefully and use our experience to identify areas of concern that might otherwise be missed by a less thorough inspection.

What Our Level 3 Survey Covers

Our RICS Level 3 Survey provides an exhaustive examination of all visible and accessible parts of the property. The surveyor will inspect the roof covering, flashings, and chimneys; examine walls both internally and externally for cracks, dampness, or movement; assess the condition of floors, ceilings, and staircases; and evaluate the structural elements including beams, joists, and load-bearing walls. Every significant defect is documented with location, nature, and likely cause, giving you a complete picture of the property's condition.

For properties on the Isle of Gigha, our surveyors pay particular attention to the specific construction features common to the area. This includes checking the condition of harl rendering (the roughcast external finish common on older buildings), examining slate roofs for damaged or missing tiles, assessing any signs of settlement or movement in traditional masonry walls, and evaluating the condition of traditional joinery and fixtures. We understand that these traditional features are part of what makes island properties attractive, but they also require appropriate maintenance to prevent deterioration.

The report will also highlight any maintenance items that should be addressed to prevent problems from developing. We provide practical advice on priority repairs, ongoing maintenance requirements, and any specialist investigations that might be needed. For listed buildings, we include guidance on appropriate conservation approaches and flag any works that might require listed building consent from Argyll and Bute Council.

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Estimated Level 3 Survey Costs by Property Type

1-2 Bed Flat £800+

3 Bed House £1,000+

4 Bed House £1,250+

Large Period Property £1,500+

National average pricing guide 2025

How Your Survey Works

Book Online or Call

Simply provide your property address and contact details, and select a convenient date for the inspection. We'll confirm the appointment within hours and send you a confirmation with everything you need to know. For island properties, we coordinate closely with ferry timetables to ensure our surveyor arrives promptly.

Property Inspection

Our RICS registered surveyor visits your property and conducts a thorough visual inspection of all accessible areas. They will measure the property, take photographs, and note any defects or areas of concern. The inspection typically takes 2-4 hours depending on property size. For larger period properties or those with complex layouts, additional time may be required to complete a thorough examination.

Receive Your Report

Within 3-5 working days of the inspection, you'll receive your comprehensive RICS Level 3 Survey report. This detailed document includes our findings, condition ratings, expert advice on any issues discovered, and recommendations for further investigations if necessary. We aim to deliver reports as quickly as possible, especially for buyers working to tight transaction timelines.

Property Selection Guide

Not sure which survey you need? If your property is a flat, was built after 1990, and appears in good condition, a Level 2 Survey may be sufficient. However, for any property on the Isle of Gigha that is older, larger, listed, or showing signs of wear, the Level 3 Survey provides the detailed information you need to make an informed decision. Given the age of much of the island's housing stock and the prevalence of traditional construction methods, the Level 3 Survey is often the most appropriate choice.

RICS Survey Comparison

Feature	Level 2 (HomeSurvey Standard)	Level 3 (Structural Survey)
Property Type	Conventional homes in reasonable condition	Older, larger, or complex properties
Inspection Depth	Visual inspection of accessible areas	Thorough inspection including concealed areas
Report Detail	Condition ratings and key issues	Detailed analysis with causes and recommendations
Advice on Defects	General guidance	Specific advice on each defect found
Further Investigations	Limited guidance	Clear recommendations for specialist inspections
Typical Duration	1-2 hours	2-4+ hours

Listed Buildings on the Isle of Gigha

The Isle of Gigha is home to several listed buildings, each protected under Scottish heritage legislation. Achamore House, a Category B listed mansion built in 1884, stands as one of the island's most significant historic properties with its imposing Victorian architecture and established gardens. Other listed buildings include Achamore Farm-House and Steading, Cara Chapel (St. Finla's), the Gigha Hotel at Ardmenish, and the Gigha and Cara Parish Church. A Category C(S) listed boundary wall and gate-ways at Kilchattan Burial Ground, along with a gate-lodge at Achamore Estate complete the heritage picture across the island.

If you are purchasing a listed property on Gigha, a RICS Level 3 Survey is strongly recommended. These buildings often have unique construction characteristics, may have undergone various alterations over the years, and can require specialist knowledge to assess properly. Our surveyors understand the additional considerations involved with historic buildings, including traditional building materials, the importance of maintaining breathability in older constructions, and the need to avoid inappropriate modern interventions that could cause damage to historic fabric.

Listed buildings may also require listed building consent for certain repairs or alterations, and our survey report can help you understand what work might be needed in the future. The report will flag any areas where professional advice from a structural engineer or conservation specialist might be warranted, ensuring you are fully informed about both the current condition and future maintenance requirements of your historic property. We can also advise on the potential costs of maintaining listed buildings to appropriate standards, which is valuable information for budgeting purposes.

Local Construction Methods on Gigha

Understanding the construction methods used in Isle of Gigha properties helps explain why certain defects occur and how they should be addressed. The older properties on the island were typically built using random rubble stone walls, often with harled (roughcast) external finishes. These solid walls, typically 450-600mm thick, were constructed without cavity insulation and rely on their mass and the breathability of lime-based mortars to manage moisture. Understanding this is essential because modern cement-based repairs can trap moisture and cause problems.

Many traditional properties feature grey slate roofing, either Scottish or Welsh in origin, laid on timber sarking boards with nail fixings. Over time, these fixings can corrode, causing slates to become loose or slip. Our surveyors examine roof spaces wherever possible to assess the condition of the structural timbers, insulation, and any signs of past or present leaks. We also check the condition of chimney stacks, which on older properties are often constructed from the same random rubble masonry and can suffer from deteriorated mortar pointing.

The newer affordable housing developments, such as those at Ardminish built by the Isle of Gigha Heritage Trust, use more modern construction methods. These typically include render and larch cladding with slate-effect pitched roofs, providing a contemporary take on traditional island architecture. Even these newer properties benefit from our detailed inspection, as we can identify any construction defects, verify that work has been carried out to appropriate standards, and ensure that all building control requirements have been met.

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Frequently Asked Questions

What does a RICS Level 3 Survey include?

A Level 3 Survey includes a comprehensive visual inspection of all accessible parts of the property, both internally and externally. The surveyor examines the main structure, roof, walls, floors, windows, doors, and installations. You receive a detailed report with condition ratings, analysis of any defects found, their causes, and recommendations for repairs or further investigations. The report is tailored to the specific property and includes advice relevant to its construction type and age. For properties on the Isle of Gigha, this means our surveyors pay particular attention to traditional construction methods, slate roofing condition, and any signs of weather-related wear from the Atlantic climate.

How long does the survey take?

The inspection itself typically takes between 2 and 4 hours depending on the size and complexity of the property. A small flat might take around 90 minutes, while a large period house like Achamore House or a complex property with multiple outbuildings could require 4 hours or more. Our surveyor will need access to all areas of the property, including the roof space if accessible, so please ensure relevant keys and access arrangements are in place. You'll receive your written report within 3-5 working days of the inspection.

Do I need a Level 3 Survey for a new build property on Gigha?

While new builds typically have fewer issues than older properties, a Level 3 Survey can still be valuable on the Isle of Gigha. The recent affordable housing development at Ardminish, completed by the Isle of Gigha Heritage Trust, represents new construction that may still have snagging issues or construction defects that benefit from professional identification. Additionally, a survey provides you with documented evidence of the property's condition at the time of purchase, which is useful for any warranty claims. We check that all statutory requirements have been met and that the build quality matches what you would expect from a professionally constructed home.

What happens if the survey finds serious problems?

If significant defects are identified, the report will explain the nature of the problem, its likely cause, and the potential consequences if left unaddressed. We provide clear recommendations for any necessary remedial work or further specialist investigations, such as a structural engineer's inspection. You can then use this information to negotiate with the seller, request repairs before completion, or adjust your purchase price accordingly. For listed buildings, we can also advise on whether any identified issues relate to heritage considerations that might affect repair options.

Can you survey properties that are occupied?

Yes, we can inspect occupied properties, though access to all areas may be limited if furniture or belongings block access. For the most comprehensive survey, we recommend ensuring the surveyor can access all rooms, roof spaces, cellars, and outbuildings. If the property is occupied, discuss any access limitations with us when booking so we can advise on how best to prepare for the inspection. We can often work around occupied properties, but clear access to all surfaces and structural elements gives us the best opportunity to identify any issues.

Are your surveyors familiar with properties on the Isle of Gigha?

Our surveyors have experience inspecting properties throughout Argyll and Bute, including the Isle of Gigha. They understand the construction methods typical to the area, including traditional harled rubble walls, slate roofing, and the specific challenges that island properties face from exposure to Atlantic weather conditions. We know the local building traditions, understand how older properties have been modified over time, and can identify defects that might be missed by surveyors less familiar with the area. This local knowledge adds significant value to your survey report.

What specific issues do you look for in Gigha properties?

Given the island's exposed Atlantic location and older housing stock, we pay particular attention to several area-specific issues. These include deterioration of traditional slate roofing, particularly around flashings and ridges where storm damage is most common. We check the condition of harl render, looking for areas where the render has failed or where cement-based repairs have been inappropriately applied. We also examine timber joinery for signs of rot, check for evidence of damp penetration in traditional solid walls, and assess any structural movement in older masonry. Our experience with properties throughout Argyll means we know what to look for.

How does the island location affect the survey process?

The island location means our surveyor will need to coordinate travel arrangements, typically via the ferry service from Tayinloan. We factor this into our scheduling to ensure sufficient time is allocated for the inspection, including travel. The island environment also means we pay particular attention to weathering and exposure-related issues that are more prevalent in coastal and island locations. Salt-laden winds, driving rain, and storm exposure all take their toll on buildings, and our survey reflects these local conditions.