RICS Level 2 Survey in BN3

The underlying geology of BN3 is predominantly White Chalk Formation - the same chalk downland that runs through the South Downs. Chalk is generally a stable geological substrate and does not carry the shrink-swell risk of London Clay. However, the chalk surface in Hove is overlain in places by Clay-with-Flints deposits and localised alluvial material in former river valleys. Where these clay deposits underlie a property's foundations, seasonal shrink-swell movement becomes a real risk.

Shrink-swell movement occurs when clay soil expands in wet conditions and contracts when dry. This seasonal cycle can cause diagonal cracking at window and door corners, gaps between wall and ceiling, and uneven floors in properties on clay-bearing ground. Hove's urban heat island effect and the presence of mature street trees in its Victorian residential streets can exacerbate drying of clay soils during summer, pulling moisture from soil within root radius. Our inspectors classify any cracking using the BRE crack classification system (Category 0 to Category 5) and advise when specialist structural assessment is warranted.

Chalk geology can also produce dissolution features - areas where chalk has dissolved over time to create voids or weak ground. These are rare but not unknown in the Brighton and Hove area, and properties on sites with historical agricultural or quarrying use on the chalk downland above the main town warrant particular attention. Where our inspectors note any evidence of differential settlement or localised ground movement, we recommend a structural engineer's report.

BN3 also sits immediately adjacent to the coast, and seawater interaction with chalk at depth, combined with the coastal erosion dynamic to the east and west of Brighton and Hove, means that ground conditions deserve attention for any property within 200-300 metres of the seafront. Our surveyors note visible signs of moisture ingress, salt-related brick spalling on south-facing elevations, and any condition issues specific to the coastal exposure of BN3's seafront properties.

BN3 contains some of the most architecturally significant listed buildings and conservation areas on the south coast. Brunswick Town - centred on Brunswick Square and Brunswick Terrace close to the seafront - is a Grade I and Grade II* listed estate of Regency townhouses begun in 1825. Adelaide Crescent to the west is a further fine Regency crescent with listed status. Properties in these areas are subject to strict controls on alterations, and any works to the external appearance or structure require listed building consent from Brighton and Hove City Council.

Conservation area designation applies across much of historic Hove, extending to the Victorian residential streets inland from the seafront. Within conservation areas, permitted development rights are restricted - meaning that replacing windows, installing solar panels, and altering the front facade all require planning permission even for unlisted buildings. Our surveyors flag apparent conservation area or listed building status in the report and advise that your solicitor confirms the applicable designations and any associated obligations.

Repairs to listed and conservation area properties must use appropriate materials. Lime mortar repointing (not modern cement), traditional timber sash windows (not UPVC), and lead or natural slate roofing are typically required to maintain historic character. Works carried out in the wrong materials can constitute a planning or listed building consent breach, creating potential liability. Our report identifies any visible non-compliant alterations - such as cement repointing on lime-built Regency render or UPVC window replacements in conservation areas - so you understand the position before exchange.

For buyers considering properties in Brunswick Town or Adelaide Crescent, we strongly recommend a RICS Level 3 Building Survey rather than the Level 2. The complexity of Regency construction - stucco over brick, basement lightwells, shared party walls, and the weight of later internal modifications - benefits from the more detailed descriptive analysis provided by a Level 3 report. Our surveyors will give you a clear recommendation based on the specific property address and apparent condition.

Flats make up the majority of property sales in BN3, and buying a flat in a converted Victorian or Regency building requires specific considerations that a freehold house survey does not cover. Our surveyors inspect the individual flat together with all accessible shared or common areas - roof above the top flat, basement damp where it may affect ground floor units, and any visible condition of stairwells and hallways.

Leasehold buyers need to understand the service charge obligations before committing. If the roof is in poor condition, a major works contribution could be demanded by the freeholder within your first years of ownership. Our report identifies the apparent condition of the building envelope and flags any major elements that appear to be approaching end of life, helping you assess the risk of significant service charge demands.

For BN3 flats converted from Victorian or Regency period houses, asbestos is a consideration in communal areas built or refurbished before 2000. Artex-style textured ceiling finishes, insulating board panels in cupboards or service ducts, and floor tiles can all contain asbestos. Our inspectors flag any materials of potential concern and recommend an asbestos specialist's assessment where appropriate.

• Roof above your floor: condition of covering, flashings, flat roof sections and drainage outlets
• Building envelope: external walls, pointing, render, window frames across all shared elevations
• Basement and ground-floor damp: rising moisture that can affect ground-floor and lower-ground units
• Common areas: stair treads, handrails, lighting, and any visible evidence of water ingress
• Services: visible condition of communal heating systems, gas meters, electrical distribution boards
• Asbestos risk: textured ceilings, insulating board, and floor tiles in pre-2000 conversions