Thorough roof inspections by qualified surveyors








Carstone cottages at the foot of the South Downs escarpment need a close look above the gutters. Our roof surveyors inspect properties across Washington, Horsham, West Sussex, from homes near Washington Primary School to older plots around The Frankland Arms. This parish recorded 1,867 people in the 2011 Census and 747 households, with 45% detached houses or bungalows and 21% semi-detached houses or bungalows. That housing mix brings a spread of roof ages, extensions and patch repairs that are easy to miss from the ground.
A roof survey shows where tiles have slipped, mortar has broken down, flashings have opened and flat roof coverings have started to blister. homedata.co.uk records a current median house price of £485,000 in Washington, plus a freehold sale of £558,000 in May 2024, so roof defects can change how a purchase is priced and how repairs are planned. We inspect with the roof, the loft and the report all in mind. Clear photographs matter here, because a small leak around a chimney can turn into a larger bill fast.

We check the outer roof first. Broken slates, missing tiles, cracked ridge mortar, lead flashing at chimneys, and tired gutters all get logged with photographs. On Washington homes built from Carstone, flint or Sussex brick, the weak point is often not the wall itself but the junction where the roof meets it.
Inside the loft, we look for daylight, damp staining, sagging timbers, poor ventilation and insulation problems. Weatherboarded extensions and later porches in Washington can hide tricky roof junctions, especially after hard rain off the South Downs. The report shows where a repair is urgent, where monitoring is enough, and where the issue is already moving into the structure beneath.

Washington parish sits in a part of West Sussex where building materials tell you a lot about the roof above them. Carstone, also called Ironstone, is a strong local stone and many cottages are built entirely from it, laid in brick-sized blocks. Flint, Hythe Sandstone, Sussex bricks and tiles, and shiplap planking all appear across the area, so we often see a mix of roof details rather than one neat standard. That mix matters, because each material ages in a different way and each junction needs a different repair.
The housing stock here is not dominated by high-density modern estates. The parish plan data shows 45% detached homes or bungalows and 21% semi-detached homes or bungalows, with a population of 1,867 and 747 households referenced in the local plan material. Washington also has a primary school and The Frankland Arms, which tells us this is still a compact village setting rather than a place of large-scale development. No large active new-build scheme was found inside the exact parish boundary, although Vineyard Close near Washington is now sold out and current applications are mostly for single dwellings or small clusters.
Washington village lies at the foot of the South Downs escarpment, with Chanctonbury Ring on the parish border. That exposed position gives roof coverings more work from wind, rain and winter weather than a sheltered inland lane. We often see the result in weathered ridge mortar, open flashing around chimneys and the sort of slipped tile that only shows itself after a run of bad weather. Roofs on older stone cottages can look solid from the street and still hide tired fixings, a soft valley line or a loose verge.
Ridge tile repointing is one of the most common repairs our surveyors recommend. Once the mortar dries out and starts to crack, water can work into the bedding and loosen the ridge line, especially on roofs that face the worst of the weather around the South Downs. We also find slipped plain tiles, broken concrete tiles and cracked slates on older roofs where previous repairs were done quickly rather than properly.
Moss and lichen build up on shaded slopes, then hold moisture against the roof covering. That is a common sight on rear elevations and on extensions where the roof sits below mature trees or a higher ridge line. Valley gutters can fail where debris has collected for years, while flat roofs on porches or rear additions can start to pond if the falls are poor. Around lower parts of the parish, blocked gutters can send water into masonry long before anyone notices a stain indoors.
Lead flashings around chimneys and abutments need close checking too. Small splits open up at the mortar joint, then rain gets in behind the stack and runs down into the loft. As of 22 May 2026, West Sussex had no flood warnings or alerts and the short-term flood risk was very low, but roof defects do not need a flood event to cause trouble. A heavy shower is enough when a valley, downpipe or gutter is already struggling.

Choose a time, send the property address and tell us about any leaks, slipped tiles or recent storm damage.
Our surveyor usually spends 1-2 hours at the property, depending on roof size, access and the number of roof levels.
We inspect the roof from ground level, ladders and close viewing where safe, with attention on tiles, ridge lines, valleys, chimneys and gutters.
Inside the roof space, we look for daylight, damp staining, rot, sagging timbers, poor ventilation and signs of past water entry.
We compile photographs, defect notes and repair priorities so you can see exactly what was found.
You receive clear next steps for maintenance, price negotiations, insurance evidence or further specialist work.
Small defects can stay small for a long time, or they can spread across the roof after one wet spell. A slipped tile is usually a modest repair, while renewed lead flashing around a chimney or a rebuilt valley gutter takes more time and access. Full re-roofing sits at the top end of the budget, especially on older homes near Chanctonbury Ring where pitches, chimney stacks and awkward junctions make the job slower.
Market figures matter here because roof work is rarely a tiny decision on a Washington property. homedata.co.uk records show the current median house price is £485,000, a freehold sale reached £558,000 in May 2024, and the 12-month change was +7.3%. For the wider Horsham area, homedata.co.uk records an average house price of £441,000 in March 2026, up 1.4% from March 2025, with semi-detached homes up 3.0% and flats down 2.6%. A survey helps you decide whether a roof issue is a maintenance job, a negotiation point or a more serious repair.
Photographs change the conversation. If an insurer asks for proof after wind damage, our report gives a dated record of the defect, the location and the likely cause. That is useful where a claim follows a storm, but it also helps if you are planning long-term maintenance and need to separate routine repointing from larger structural work. On older Washington cottages, that difference can save time and stop a patch repair from being done twice.
Buyers often notice a damp patch on a ceiling before they notice the roof itself. If a property in Washington, Horsham or the surrounding lanes is under offer, a roof survey gives a clear view of what sits above the plasterboard and insulation. It is especially useful where the house has a chimney stack, an older rear extension or a roof that has already been patched several times.
After storms, leaks tend to show up in the loft first, then on the bedroom ceiling later. Missing tiles, displaced ridge mortar and split flashing can all be hidden until the next hard rain arrives. We also recommend a survey if the roof has not had major work for more than 20 years, if a loft conversion is planned, or if an insurance claim needs evidence from someone who has actually inspected the roof rather than guessed at it.

We check the covering, ridge lines, hips, verges, chimneys, flashings, valleys, gutters, soffits, fascias and any visible roof-space defects. Inside the loft, we also look for damp staining, daylight, rot, poor ventilation and signs that water has travelled further than it should. On homes in Washington, that often means old mortar, tired leadwork or a slipped tile at a junction that is hard to see from the road.
Our roof surveys start from £250. The final price depends on the size of the property, how easy the roof is to access, and whether the roof has steep sections, multiple levels or a more complex layout. On a home in Washington with a chimney stack, extension or awkward rear elevation, the price can move up if the inspection needs extra time.
We usually spend 1-2 hours on site. Smaller homes are quicker, while larger detached houses and older cottages can take longer because there are more roof junctions to check. The inspection time also depends on weather, roof pitch and how much of the loft can be reached safely.
No, not usually. We can complete most roof surveys using safe access methods, ladders and close visual inspection, with binoculars or a drone where appropriate. Scaffolding is only needed if the roof is too steep, too high or unsafe to inspect properly without it.
Yes, it can. Our reports include photographic evidence and a clear description of the defect, which is useful after storm damage, slipped tiles or flashing failure. If an insurer wants to know what was damaged, where it is and how serious it looks, the survey gives them a tidy record.
Older roofs should be checked more often than newer ones, especially if they have not had major work for many years. A sensible pattern is before purchase, after storm damage and whenever damp appears indoors. In Washington, homes near exposed slopes or open ground can benefit from earlier checks because weather can work on the roof faster.
Yes, we inspect both. Carstone cottages often have older chimney details, traditional ridge work and patched junctions, while weatherboarded extensions can hide leaks where the roof meets timber cladding. Those are the places where a roof can look fine from outside and still be letting water in.
From £250
Useful for high roofs, steep pitches and hard-to-reach chimneys
From £350
Better for standard homes where roof findings need wider property context
From £500
Suited to older or altered homes with more visible defects
From £60
Helps check energy performance after roof or loft work
Roof survey pricing in Washington starts from £250, which is modest compared with the cost of chasing a leak after it has reached the ceiling. The final figure depends on roof size, pitch, access and the type of roof covering, because a simple bungalow is not the same job as a tall detached house with multiple chimney stacks. A flat roof, a steep pitched roof and a roof with several later additions all need different amounts of time and care.
Access changes the work more than many buyers expect. A roof on an older house near Washington Primary School may be straightforward from the front and awkward at the rear, while a property close to the South Downs escarpment can need more cautious access because wind and height make ladder work slower. We always factor in safety, safe viewing angles and how much of the roof can be seen properly without making assumptions. That keeps the report honest, which is what a buyer or homeowner needs.
Our reports include photographic evidence of defects, a clear written summary and practical repair recommendations. We usually turn the report around promptly after the inspection, once the photographs and notes have been checked. On a parish where the median house price is £485,000 and one freehold sale reached £558,000 in May 2024, that report gives useful leverage when negotiating, budgeting or planning work with a roofer.
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Thorough roof inspections by qualified surveyors
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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.