Expert surveys for Arundel's historic and rural West Sussex properties - from £299








BN18 covers Arundel and the surrounding villages of Yapton, Ford, Walberton, Barnham, Eastergate, Slindon, and Tortington, stretching from the South Downs National Park southward to the Arun valley flood plain. Average sold prices across the postcode sit at £460,540 according to Zoopla, with detached homes - the most commonly sold type in BN18 - averaging £637,249. The BN18 9 sub-postcode covering Arundel town itself saw prices rise 3.7% in the last year, driven by strong demand for period properties in this historic market town.
Our RICS Level 2 Survey covers all visible and accessible parts of the property using moisture meter readings, binocular roof inspections from ground level, and full examination of drainage, outbuildings, and boundaries. Our chartered surveyors provide written reports with condition ratings 1 to 3 for every element - clear, actionable information on what you are buying before you commit. For BN18, this means surveyors who understand flint construction, the River Arun flood plain, and the particular challenges of historic listed buildings in the Arundel Conservation Area.
The BN18 housing stock is unusually varied for a West Sussex postcode. Arundel town contains Grade II and Grade II* listed properties including Georgian townhouses and Victorian cottages with flint and brick elevations, all sitting within a conservation area dominated by the presence of Arundel Castle and Cathedral. Outside the town, the villages of Yapton and Barnham offer predominantly post-war and 1980s-1990s stock, while active new-build development at Ryebank Gate in Yapton from David Wilson Homes and Barratt Homes adds contemporary properties to the mix. Each of these property types presents different inspection priorities.

£460,540
Average Sold Price
£637,249
Detached Average
Zoopla, last 12 months
£390,157
Semi-Detached Average
Rightmove, last 12 months
£385,696
Terraced Average
Zoopla, last 12 months
£189,994
Flat Average
Zoopla, last 12 months
+3.7%
Arundel (BN18 9) Growth
Year-on-year price change
The dominant property type sold in BN18 is detached housing, reflecting the semi-rural character of the postcode area. Arundel town itself contains a concentration of older stock - 17th-century and Georgian townhouses, Victorian brick-and-flint terraces, and inter-war semi-detached properties. Many of these are Grade II listed and sit within Arundel's conservation area, which means any extension or alteration requires listed building consent in addition to planning permission. Our surveyors flag listed status and conservation area constraints clearly in survey reports.
Flint is the defining building material of older BN18 properties. Locally quarried from the chalk of the South Downs, flint was used extensively for walls in West Sussex for centuries. Solid flint walls have no cavity, meaning moisture can transfer from the exterior face to the interior if mortar joints fail. We use calibrated moisture meters at regular intervals across all walls of flint-built properties during our inspections, recording readings at floor, mid-wall, and ceiling height to map the extent of any moisture penetration. Where we find elevated readings, this is reported as a condition 3 defect requiring further specialist investigation.
In the villages of Yapton, Barnham, and Eastergate, the housing stock shifts toward post-war and 1980s brick-built semi-detached and detached properties. These present different inspection priorities: roof felt deterioration in flat or low-pitch garage roofs, cavity wall insulation condition in 1970s-1980s properties, and the condition of uPVC windows installed as replacements for original timber frames. For these properties, the RICS Level 2 Survey is an appropriate and proportionate inspection.

The River Arun runs through Arundel town, and the flood plain extends across parts of the BN18 postcode. Properties in close proximity to the river - particularly on the lower streets of Arundel and on the valley floor between Arundel and Ford - face documented fluvial flood risk. Before making an offer on any property in BN18, we strongly recommend checking the Environment Agency flood risk maps for the specific address. Our survey report notes any visible evidence of historic flooding or inadequate drainage, but a specialist flood risk assessment may be warranted for riverside locations.
The South Downs chalk escarpment forms the northern boundary of the BN18 postcode. Properties in villages such as Slindon, which sits on the face of the chalk downs, benefit from free-draining chalk soils but face exposure to wind-driven rain from the south-west. Lower-lying areas on the coastal plain and Arun valley can have alluvial clay deposits overlying the chalk, which introduce some shrink-swell potential. During dry summers, clay-rich soils can shrink and crack, causing differential foundation movement, particularly in properties with shallow 1930s-1960s strip foundations.
Agricultural conversions are common throughout the rural parts of BN18. Former barns and farm outbuildings converted to residential use can present structural challenges: original agricultural walls may be built to different standards than residential construction, and insulation, damp-proofing, and structural reinforcement may have been added as part of the conversion rather than being inherent to the original build. Our surveyors assess agricultural conversions carefully, checking for signs of inadequate weatherproofing at roof-to-wall junctions and verifying that floor construction is appropriate for residential use.
Ground stability around Arundel Castle and the historic core of Arundel town is generally well-established given the long building history, but some properties on the hillside above the town centre occupy steep slopes where drainage and slope stability require consideration. Our surveyors note the topographic setting of each property and flag any conditions that could affect stability or drainage in the long term.
Common defect categories recorded across BN18 and West Sussex rural residential Level 2 survey inspections. Percentages reflect defect frequency from surveyor field observations in this postcode district.
Arundel is a historic market town with a designated conservation area covering the majority of the town centre. Many properties in BN18 9 are Grade II listed, meaning any alterations - including replacement windows, external redecoration in different colours, and internal structural changes - require listed building consent from Arun District Council in addition to any planning consent. A RICS Level 2 Survey identifies the condition of the property at the time of inspection. For Grade II listed properties, we recommend a RICS Level 3 Full Building Survey, which allows a more thorough examination of the historic fabric, lime mortar joints, and traditional construction details. Our report will also flag where previous unauthorised alterations may have occurred - a common finding in listed properties that can create legal complications at the point of sale or remortgage.
Our RICS Level 2 Survey follows the RICS Home Survey Standard and examines all visible and accessible elements of the property. In BN18, we begin with an external inspection of the roof from ground level using binoculars - identifying slipped or cracked tiles, valley condition, and the state of all chimney flashings and parapet copings. Where loft access is available, we carry out a full roof void inspection, checking for felt deterioration, evidence of past or current water ingress, and the condition of structural timbers.
External walls receive a detailed inspection including mortar joint condition assessed on the BRE crack classification scale, the condition of any rendered surfaces, damp proof course integrity, and the state of all external joinery including windows, doors, fascias, soffits, and bargeboards. We carry moisture meter readings on all accessible internal walls and note any areas of elevated moisture requiring further investigation. In BN18 flint properties, we pay particular attention to the internal faces of external walls where penetrating damp is most likely to first become apparent.
Our report covers all drainage accessible for inspection, all outbuildings and boundary structures, and the condition of the site including paths, driveways, and retaining walls where present. The services section notes the visible condition of the gas and electricity meters, the heating system, and any hot water systems. We do not conduct live testing of services, but we clearly identify where specialist testing is recommended before exchange. Your written report is delivered within 3-5 working days and includes condition ratings, photographs, and estimated repair cost ranges for any significant items.

Call us if you are unsure which survey level is appropriate for your BN18 property. We provide free advice on survey selection based on property type and age.
The most significant active new-build development in BN18 is Ryebank Gate in Yapton, delivered by David Wilson Homes and Barratt Homes. Properties at Ryebank Gate include detached houses and semi-detached homes, with three-bedroom options starting from £355,000. The development offers a range of incentives including part-exchange schemes, equity loan contributions for eligible buyers, EV charging points, and solar panels on selected plots. Yapton is a village with good road access to Chichester and Littlehampton and a direct rail connection from Barnham station.
New build properties in BN18 are covered by an NHBC Buildmark warranty or equivalent builder warranty for the first 10 years. However, warranties cover major structural defects only, not cosmetic issues, minor construction defects, or the wide range of quality-related findings that a professional snagging survey identifies. Our snagging service for BN18 new builds covers more than 300 potential defect points across all rooms, including checking door alignment, window operation, plaster quality, and the fit of all fixtures and fittings.
Buyers of new build properties in BN18 should commission a snagging survey within the first two years of moving in, while the builder's warranty period for workmanship defects is still active. After two years, responsibility for minor defects passes to the homeowner entirely. Our snagging reports give buyers documented evidence to present to the developer's customer care team, making it easier to get defects remedied at no cost within the warranty period.
Our surveyors working in BN18 are RICS-chartered professionals with direct experience of West Sussex historic and rural housing stock. They understand flint construction and lime mortar buildings, the flood risk environment around the River Arun, and the specific defect patterns common to the different property eras found across the postcode. When we attend a property in Arundel, Yapton, or any of the BN18 villages, we bring knowledge of the local stock rather than a generic inspection approach.
Every survey report is written by the surveyor who carried out the physical inspection. We do not use automated report generation or generic paragraph libraries - every observation is specific to the property inspected on that day. Where we identify something requiring a specialist follow-up, such as a structural engineer's opinion on crack patterns in an Arundel Victorian terrace, or a specialist timber and damp contractor for a flint-built cottage with elevated moisture readings, we say so clearly and explain why it matters.
We deliver RICS Level 2 Survey reports within 3-5 working days of inspection. After you receive the report, your surveyor is available for a follow-up call to discuss the findings in plain terms. Many buyers are receiving a survey report for the first time and have questions about what different condition ratings mean in practice. We are happy to walk through the findings, confirm which items require immediate attention, and help you decide whether any specialist reports are needed before exchange.

Enter the property address and basic details to get instant pricing for your BN18 property. No obligation. We quote based on size and type, so detached rural properties and Arundel period homes are priced appropriately.
Choose from available dates on our live calendar. We cover all of BN18 including Arundel, Yapton, Barnham, Walberton, and surrounding villages. Weekday and Saturday appointments are available.
Your RICS-chartered surveyor attends the property and completes a thorough Level 2 inspection. For an average three or four-bedroom property in BN18, this typically takes 2.5-3.5 hours. You do not need to be present.
Your written survey report is delivered within 3-5 working days. It includes a condition rating for every element inspected, photographs of key findings, and cost estimate ranges for any condition 2 or 3 items.
Discuss the report findings with your surveyor directly. We explain the ratings in plain language and advise on next steps, including whether any specialist surveys are recommended before you exchange contracts.
Our RICS Level 2 Survey starts from £299 in BN18. The price depends on the size and type of the property. A standard three-bedroom semi-detached in Yapton or Barnham will typically be priced in the £299-£399 range. A larger detached property or a property with extensive outbuildings may fall at the higher end. We provide exact pricing online before you commit to booking.
Yes. The RICS Level 2 Survey replaced the old HomeBuyer Report when RICS updated its Home Survey Standard in 2021. Both names refer to the same type of inspection: a standardised condition assessment using traffic-light ratings from 1 to 3 for all visible and accessible elements of the property. If your solicitor or mortgage lender asks for a HomeBuyer Report, a RICS Level 2 Survey fully satisfies that requirement.
The physical inspection of a standard three-bedroom semi-detached or terraced property in BN18 takes approximately 2-3 hours. Larger detached properties or those with significant outbuildings may take 3.5-4.5 hours. Rural properties with barns, garages, or extensive grounds take longer to inspect fully. You do not need to be present during the inspection - we arrange access with the estate agent or vendor. Your written report is delivered within 3-5 working days of inspection.
We recommend a RICS Level 3 Full Building Survey for Grade II listed properties in Arundel and for any pre-1919 flint-built property in BN18. Listed buildings often have complex historic fabric that a Level 2 survey records but does not investigate in full depth. The Level 3 survey allows our surveyors to probe suspect timbers, assess lime mortar conditions in flint walls, and provide detailed repair recommendations with priority ordering. For a property priced at £400,000-£600,000 - typical of Arundel's period stock - the additional investment in a Level 3 survey is a sound decision.
Properties close to the River Arun in Arundel and on the valley floor between Arundel and Ford face documented flood risk from the river. The Environment Agency flood risk maps identify the extent of flood zones in BN18, and we recommend checking these before making an offer on any property in a riverside or valley-floor location. Our survey report records any visible evidence of historic flooding or inadequate drainage. Where flood risk is a significant concern, a specialist flood risk assessment can be commissioned from a suitably qualified consultant.
In our experience across BN18 and the wider West Sussex rural market, roof defects are the most frequently recorded finding - including slipped or missing tiles, deteriorating felt, and failing flashings at chimneys and parapet walls. Damp and moisture ingress is particularly prevalent in the older flint-built and Victorian stock around Arundel. External joinery deterioration, flat roof sections on extensions and garages, and drainage defects are also frequent findings. In post-war properties in Yapton and Barnham, cavity wall insulation condition is an additional area of focus.
Yes. Our RICS Level 2 Survey report includes estimated cost ranges for all condition 2 and condition 3 items identified during inspection. These documented professional estimates provide a solid basis for requesting a price reduction or asking the seller to carry out remedial works before exchange. On BN18 properties priced at £360,000-£640,000, a negotiation of even 1-1.5% represents a saving of £3,600-£9,600, which frequently exceeds the survey fee many times over.
We typically have survey appointments available in BN18 within 5-10 working days. For buyers working to tight exchange timescales, we can often arrange earlier appointments depending on surveyor availability. Use our online booking system to see the live calendar for BN18, or call us to discuss your specific timescale. We cover all areas within the postcode including Arundel, Yapton, Ford, Walberton, Barnham, Eastergate, and Slindon.
Our full range of property survey and inspection services covering BN18 and West Sussex
From £499
Detailed structural survey for Arundel listed buildings, flint cottages, and pre-1919 properties
From £79
Energy Performance Certificate for BN18 properties - required for sale and letting
From £299
New build defect inspection for Ryebank Gate and other Yapton and Barnham developments
From £299
Asbestos screening for 1960s-1980s properties in BN18 before renovation works
From £149
EICR for BN18 properties with older wiring or landlord compliance requirements
From £249
Specialist roof inspection for complex historic roof structures and agricultural conversions in BN18
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Expert surveys for Arundel's historic and rural West Sussex properties - from £299
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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.