RICS Level 3 Building Survey in Polperro

Polperro is not a straightforward place to buy without a close look at the building. The village lies in a narrow, steep-sided valley, with the Langreek stream and River Pol both creating real flood risk. Homes around The Coombe, Lansallos Street, Mill Hill and Langreek Road have flooded before, including major events in 1976 and 1993. Our inspectors look for flood resilience measures, older water marks, damp staining and other signs of past damage that can be easy to miss on a viewing.

Most of Polperro's homes were built before 1919, and the village became a Conservation Area in 1969 because of its special character. Stone rubble walls, slate roofs and traditional detailing are part of the local picture, with many properties also listed and subject to Listed Building Consent for alterations. Our surveyors are used to older Cornish stonework, lime mortar pointing and traditional roofing materials, so they know where defects tend to show first.

Quite a few Polperro properties are holiday lets or second homes, and that can hide a different set of problems from a permanently occupied house. Long periods with no heating, irregular ventilation and patchy maintenance all leave traces. Our Level 3 surveys check for those seasonal-use issues, including damp, deterioration behind recent decoration and defects that build up when routine upkeep has slipped.

Sea air matters here. Polperro's coastal position exposes buildings to salt-laden air, which speeds up corrosion in metals and weathering in stone. Roof coverings, parapet walls and exposed ironwork are often the first places to suffer, so our surveyors give those vulnerable elements particular attention during the inspection.

• Flood risk assessment
• Traditional construction expertise
• Listed building knowledge
• Holiday let property specialist

Polperro's traditional cottages were commonly built in local stone rubble with lime mortar pointing, which behaves very differently from modern masonry. Our inspectors check the pointing and identify areas where lime mortar has been replaced with cement, as cement can trap moisture and damage the stone. Salt efflorescence is another warning sign we look for, particularly in coastal homes where damp problems can persist.

Salt-laden air is a constant influence on Polperro buildings. Our surveyors look closely at roof coverings, flashing and parapet walls, where salt spray can cause quick deterioration. Older slate roofs may also show delamination or nail sickness, both of which need monitoring and, in some cases, replacement.

The steep layout of the village adds another layer to the structural assessment. Buildings on sloping ground can suffer differential movement, so our inspectors check walls and foundations for stress. Drainage also gets careful attention, as poor water management on a steep site can contribute to water ingress and subsidence issues.

Many Polperro homes have been altered over generations. Extensions, openings, roof changes and internal reworking do not always match current building regulations or historic permissions. Our surveyors identify visible alterations, assess their structural impact and note where missing consents could create a compliance problem.

Polperro's property market has shifted sharply, with house prices falling approximately 24% compared to the previous year and 30% from the 2023 peak of £529,472. That may open the door for buyers, but it also makes proper due diligence more important. Our Level 3 surveys give the depth of assessment needed when values are moving and some vendors may be keen to sell.

New build activity is very limited in Polperro. Only one new property was listed in 2024, at North View for £695,000, so most buyers will be looking at older, established homes. Those buildings often have charm and setting, but they also come with age-related defects that need a detailed survey.

The value attached to Polperro's historic setting can make renovation expensive, especially where a listed property needs specialist contractors and formal consents. Our survey reports help you judge the real cost of ownership by highlighting defects that may call for costly repair, conservation-led work or specialist materials.

Holiday-let use is common in the area, and some properties have been adapted with rental income in mind rather than long-term occupation. That can show in the choice of materials, the finish of alterations and the level of maintenance between seasons. Our surveyors recognise those patterns and explain what they mean for future use.

Flood risk is not a theoretical issue in Polperro. The village sits in a narrow valley, the River Pol runs through the centre, and the Langreek stream drains water from the surrounding hillsides. Significant flooding in 1976 and 1993 caused substantial damage to low-lying properties.

Flood defences are in place, including a kilometre-long tunnel and a reinforced harbour gate, but damaging and disruptive floods can still happen. Heavy rainfall, blocked drains and obstructed rivers all increase the risk. The Coombe, Lansallos Street, Mill Hill, Langreek Road and the Main Car Park are among the areas most exposed.

Properties near the harbour and along the River Pol also have tidal risk to think about. Spring tides and storm surges can affect these locations during extreme weather. Our surveyors check existing flood resilience measures and look for signs that earlier floodwater has reached the building.

During a Polperro inspection, we actively look for evidence of past flooding. Water staining on walls, affected plaster, warped flooring and salt deposits left by floodwaters can all tell a story. A property may appear dry on the day, yet still have hidden damage to structural elements from earlier flood events.

Our surveyors have inspected properties across Polperro, including the harbour front, The Coombe, Lansallos Street and the hillside homes around the village. We understand how this narrow valley affects buildings, from higher humidity to the drainage problems that come with steep slopes. That local context shapes the way we inspect and report.

The team also understands the Conservation Area requirements and the Article 4(2) Direction affecting most village properties. Where we see an issue that could need planning permission or listed building consent, we explain it plainly in the report. That knowledge is useful when you later repair, renovate or maintain a Polperro property, because potential complications are easier to budget for early.

Tourism has a clear effect on the Polperro housing market. Many homes are used as holiday lets, which influences how they have been altered, maintained and worn over time. Our surveyors are used to spotting issues linked to seasonal occupation, including damp in unheated properties and accelerated wear from high turnover.

Our team has built its Polperro knowledge through inspecting hundreds of properties in the village. We know which areas are most affected by flooding, which construction methods are common, and what defects typically appear in homes of different ages and types. That local experience is built into every survey we produce.