Is soft washing or pressure washing better for my house?

It depends on your property. Soft washing uses low pressure (below 80 bar) and specialist detergents — it's gentler and safer for older brickwork, render, uPVC, and delicate masonry. It kills algae and moss rather than just blasting them off, so results last longer. Pressure washing (100+ bar) is best for driveways, concrete, and hard surfaces where staining is heavy. For house walls in Swansea, especially on older properties or those with rendered finishes, soft washing is usually the right choice. A good trader will recommend the method based on your specific surfaces. They shouldn't pressure-wash everything — that's a sign they don't know what they're doing. If you're unsure, ask your chosen trader which they'd use and why.

How often should I get my exterior cleaned?

For most Swansea homes, a full exterior clean every 2–3 years is reasonable. However, roofs and gutters benefit from annual attention due to our damp climate and salt spray. Driveways and patios may need cleaning annually if they're heavily used or in shade where moss grows fast. Some traders offer maintenance plans — an annual visit to tackle gutters and moss prevention costs less than a full clean and keeps things from getting too bad. If your property is coastal (within half a mile of the sea), you might want cleaning more frequently. Salt spray accelerates dirt buildup. Trees overhanging your roof? More moss means more frequent cleaning. Chat to your trader about a maintenance schedule tailored to your property.

Can exterior cleaning damage my property?

Yes, if done wrong. High-pressure water can force moisture into walls, damage mortar, erode brickwork, and compromise render. It can also push water into window frames and door seals, causing leaks and damp. Unsafe pressure washing on roofs can dislodge tiles or damage slates. This is why accreditation and insurance matter — a properly trained trader knows safe pressures, distances, and techniques. They also know when to use soft wash instead. Always check references and insurance before hiring. A trader with TrustMark or FWFC accreditation has been trained to prevent damage. If you're worried about a specific feature (old stonework, delicate render, listed building status), mention it in your quote request. A good trader will either confirm it's safe or recommend an alternative method.

What should I do to prepare for exterior cleaning day?

Move items that could get wet: bins, garden furniture, bikes, plant pots. If you have pets, consider keeping them inside or in a secure area away from the work. Ask your trader whether they'll move things or if you need to do it. Clear gutters of loose debris if you can (safely) — some traders include this, others don't. Make sure they have access to water (usually a garden hose), parking, and the area they need to work in. If you have security cameras, tell them where they are so they can avoid damage. For driveways, move cars if possible. If you can't move everything, let the trader know before they arrive — they'll plan around it. Trim back any hanging branches or plants near walls if they're in the way. Most traders are considerate and work around what's there, but removing obstacles beforehand speeds up the job.

Why does my driveway get so slippery after cleaning?

Newly cleaned surfaces are slippery because they're smooth and wet. Algae, moss, and built-up dirt actually provide grip. After cleaning, driveways and patios can be treacherous for a day or two while they dry. Some traders apply an anti-slip treatment or sealant to reduce this, though this costs extra. Once the surface is fully dry (24–48 hours depending on weather), grip improves significantly. If you're concerned about slipperiness — particularly if you have elderly family members or young children — ask your trader about anti-slip options. You can also use grit or temporary matting until the surface dries. In Swansea's damp climate, it may take longer than 48 hours for concrete to feel truly dry. Be patient before judging the final result.

Swansea exterior cleaning 2026

What exterior cleaning covers and why it matters

Exterior cleaning isn't just about making your house look nicer — though it does. It's about protecting your investment. Over time, dirt, algae, moss, and salt spray (especially here in Swansea) build up on your walls, roof, gutters, and driveway. Left unchecked, this damages render, brickwork, and mortar. A good clean can add years to your exterior surfaces and spot problems early.

Most exterior cleaning jobs in Swansea involve soft washing or pressure washing. Soft washing uses lower pressure and specialist detergents to clean brick, render, and uPVC without damage. Pressure washing handles driveways, patios, and hard surfaces. Some jobs need both.

A reliable trader will assess what your property needs before quoting. Not everything needs a jet wash — some surfaces, especially older stonework or delicate render, demand gentler methods. They'll also check gutters, downpipes, and fascias while they're at it. Many homeowners discover blocked gutters or broken downpipes during a clean, which is why it pays to use someone who actually looks at the job properly.

The best traders in Swansea know the local climate. Salt air corrodes faster than anywhere inland, and our weather means algae and moss love Swansea's exteriors. They'll know what to expect and how to handle it.

What you'll pay for exterior cleaning in 2026

Costs vary by job size, property type, and how dirty things are. Here's what to expect across Swansea in 2026.

Driveway and patio cleaning: £150–£400 depending on area. A standard domestic driveway (around 30 sq metres) typically runs £180–£280. Patios cost similar rates. If it's heavily stained or has thick moss, expect the higher end.

Full house soft wash (walls and fascias): £300–£800 for a semi-detached or detached three-bed. Terraced properties usually come in £250–£500. This includes walls, uPVC, gutters, and fascias. Larger homes or those with difficult access cost more.

Roof cleaning: £400–£1,200 depending on pitch, coverage, and moss growth. Swansea roofs often need this work due to damp climate. Many traders charge per square metre (£8–£15/sqm) plus access costs if scaffolding is needed.

Gutter cleaning only: £80–£180 per visit. Some traders bundle this with a full wash; others charge separately.

Window cleaning (per visit): £40–£120 for a typical house, depending on window count and how often you want it done.

Most traders offer discounts for bundled work — cleaning the whole exterior at once costs less per service than booking jobs separately. Get three quotes minimum. Don't just go for the cheapest; check what's included and whether they're insured. A quote £100 cheaper often means corners cut or missing insurance.

Accreditations and insurance to look for

When hiring an exterior cleaner in Swansea, check their credentials. It matters more than many homeowners think.

TrustMark is the gold standard. It's a government-backed scheme, and TrustMark-registered traders are vetted, insured, and bound by a code of conduct. If something goes wrong, you have recourse. Ask for their TrustMark number and verify it on the TrustMark website.

Federation of Window and Façade Cleaning (FWFC) accredits pressure washing and soft washing specialists. Members follow safety standards and best-practice guidelines. It's less commonly held than TrustMark but shows the trader takes their work seriously.

Public liability insurance is non-negotiable. Any damage to your property, a neighbour's, or injury to someone on site should be covered. Ask for proof of insurance — a certificate or letter from their insurer. £1 million cover is standard; some jobs need £5–£10 million.

Checkmark scheme is another option, though less common in exterior cleaning than other trades.

Don't hire anyone without insurance. It's not worth the risk. A trader with proper accreditation and insurance might cost 10–15% more, but you're protected and the work meets industry standards. In Swansea's climate, where exterior surfaces get punished, using a proper trader ensures they know how to handle salt spray damage and damp issues without making things worse. Always ask about guarantees on the work too — reputable traders usually guarantee their cleaning for 6–12 months.

Why Swansea exteriors need specialist attention

Swansea's coastal location and Welsh weather create specific challenges for exterior cleaning. Understanding these helps explain why local traders often charge what they do — it's not just labour, it's expertise.

Salt spray damage is the big one. Living within a few miles of the sea means salt air corrodes metal gutters, downpipes, and fixtures faster than inland areas. Brickwork and render also suffer. A Swansea trader knows how to clean without exacerbating corrosion and will recommend protective measures if needed.

Housing stock in Swansea is largely Victorian and Edwardian terraced housing, plus 1950s–1980s semis and detacheds. These older properties often have delicate mortar, lime render, or original brickwork that shouldn't be pressure-washed. A local trader experienced in Swansea's housing mix knows the difference between a 1920s stone terrace and a modern rendered new-build — and how to clean each safely.

Algae and moss growth is relentless here. Our damp, mild climate is perfect for it. Most roofs in Swansea benefit from annual cleaning, and gutters clog fast. A good local trader will advise on preventing regrowth, not just removing it once.

Weather conditions mean work is often scheduled around rain. Traders familiar with Swansea know the seasonal patterns and plan accordingly. They'll also know which products work best in our conditions — some detergents perform differently in Welsh humidity.

The Swansea area also has several established trade networks. Reputation matters locally, and traders here often work to high standards because word-of-mouth business is crucial.

How to find and hire the right trader

Start by asking neighbours and friends for recommendations. Word-of-mouth is still the most reliable way to find a good trader in Swansea. If someone's had their driveway or house cleaned recently, ask who they used and what they thought.

Use the BestTrades Wales directory to find local exterior cleaning specialists. Look for traders with good reviews and clear service descriptions. Read reviews properly — focus on what people actually say, not just star ratings.

Once you've found 2–3 candidates, call or email for a quote. A proper quote should be based on a site visit or, at minimum, detailed photos and measurements you provide. Beware of phone quotes given without seeing the property — they're often inaccurate.

At the quote stage, ask about:

What's included (gutters, fascias, downpipes, etc.)
Whether it's soft wash or pressure wash (or both)
Timeline and how long the work takes
Whether they move items (bins, garden furniture)
Parking and site preparation
Insurance and accreditations
Guarantees on the work
Whether they're registered for VAT (if relevant)

Don't just choose the cheapest. A quote that's much lower than others is often a red flag — they may use cheaper products, rush the job, or be underinsured.

Once you've chosen a trader, confirm everything in writing — date, time, exact services, cost, and what happens if weather delays the work. Ask about payment terms: some require a deposit, others payment on completion. Clarify this upfront.

Eight questions to ask before you book

Get these answers in writing (email is fine) before agreeing to any work:

Are you TrustMark registered (or FWFC accredited)? Ask for their registration number and verify it. If they're not accredited, ask why not.
What public liability insurance do you hold? Request proof. Minimum £1 million; check it's active and covers the work you need.
What method will you use on my property? Will it be soft wash, pressure wash, or both? Different surfaces need different approaches. They should explain why they've chosen their method.
Do you move items and prepare the site? Will they move bins, garden furniture, or bikes? Or do you need to clear the area beforehand?
How long does the work take and what happens if weather stops you? Some jobs take one day; others two. What's the rescheduling policy?
What guarantee do you offer on the work? Many reputable traders guarantee their cleaning won't reappear within 6–12 months. Get the guarantee terms in writing.
Are you VAT registered? If their quote is under £85,000/year turnover, they may not be. Ask if the quote is inclusive of VAT or if it'll be added.
What products will you use? Ask whether they use eco-friendly detergents, especially if you have wildlife in your garden or small children. Some properties need specific products (lime render, listed buildings, etc.).

These questions filter out the uninsured and the cowboys. A professional trader will answer all of them without hesitation.

Swansea exterior cleaning — the complete homeowner guide (2026)