Celtic External Cleaning
External cleaning solutions at your fingertips
About
our company
Celtic External Cleaning is your trusted local expert in professional exterior cleaning services across South Wales. We specialise in keeping homes and businesses looking their best, from roof and render cleaning to gutters, driveways, patios, and conservatories. Using eco-friendly solutions and specialist equipment, we deliver safe, effective, and long-lasting results every time.
Our Services
Expert external cleaning in Wales and 3 years professional experience.
🧼 Render Cleaning & Softwashing in South Wales
Looking for professional render cleaning in South Wales?
At Celtic External Cleaning, we specialise in safe, low-pressure softwashing for render — the modern, effective way to clean and protect your property’s exterior without causing damage. We remove unsightly red, green, and black staining caused by algae, mould, and pollution, leaving your render fresh and bright again.
Why Choose Softwashing for Render Cleaning?
Gentle Yet Powerful Cleaning
Unlike jet washing, our softwash system uses low-pressure equipment and specialist biocides to clean render safely without stripping paint or damaging the surface.Removes Organic Growth
We eliminate algae, moss, lichen, and bacteria at their source — not just on the surface — ensuring long-lasting results and preventing regrowth.Restores Your Property’s Appearance
Softwashing instantly transforms tired, stained render into a clean, bright, and well-maintained finish that enhances kerb appeal.Protects & Preserves Your Render
Safe for K-Render, Monocouche, Pebbledash, and painted surfaces, our softwash treatments extend the life of your exterior walls.Eco-Friendly & Long-Lasting
We use professional-grade, biodegradable cleaning solutions that are gentle on the environment and tough on grime.
Our Render Cleaning Process
Full inspection and surface preparation
Application of eco-friendly cleaning solution
Softwash treatment to gently remove organic growth
Final rinse and visual inspection for a spotless finish
Your property will look refreshed — without the risk of damage that comes with pressure washing.
Areas We Cover
We offer render cleaning and softwashing services across South Wales, including:
Cardiff, Swansea, Newport, Bridgend, Barry, Llanelli, Merthyr Tydfil, Pontypridd, Caerphilly, Neath, Port Talbot, and surrounding areas.
Book Your Render Cleaning Today
Restore your property’s beauty with Celtic External Cleaning, trusted experts in softwash render cleaning South Wales.
📞Call us: 07492 937816
📧Email:Celticextcleaning@hotmail.com
💧Book your Gutter Cleaning in South Wales today!-and let the sunshine back into your home!
Soft washing render is a gentle yet powerful cleaning method that uses low-pressure water and eco-friendly solutions to safely remove algae.
🚿 Driveway & Patio Cleaning in South Wales
Looking for professional driveway and patio cleaning in South Wales?
At Celtic External Cleaning, we specialise in restoring outdoor surfaces to their original beauty. Using high-pressure cleaning systems and eco-friendly solutions, we safely remove moss, algae, oil stains, and years of dirt buildup — bringing your driveway, patio, or paving back to life.
Why Choose Our Driveway & Patio Cleaning Services?
Transform the Look of Your Home
Our deep-cleaning process instantly revives block paving, concrete, tarmac, and stone — boosting your property’s kerb appeal.Remove Stubborn Stains & Slippery Algae
We tackle built-up grime, moss, and slippery green growth, making your outdoor spaces cleaner, safer, and more enjoyable.Protect Your Surfaces
Regular professional cleaning prevents weed growth, surface erosion, and discolouration — extending the life of your driveway or patio.Re-Sanding & Sealing Available
For block paving, we can re-sand joints and apply sealant for a longer-lasting, weed-resistant finish.Eco-Friendly & Fully Insured
We use environmentally safe cleaning solutions and professional-grade equipment to achieve stunning, streak-free results.
We Clean All Exterior Surfaces
Block paving
Concrete driveways
Natural stone patios
Decking and pathways
Tarmac and resin-bound surfaces
Whether it’s a family home, commercial forecourt, or rental property — we’ve got it covered!
Areas We Cover
Serving all of South Wales, including:
Cardiff, Swansea, Newport, Bridgend, Barry, Llanelli, Merthyr Tydfil, Pontypridd, Caerphilly, Neath, Port Talbot, and surrounding towns.
Book Your Driveway & Patio Cleaning Today
Bring your outdoor spaces back to life with Celtic External Cleaning, trusted local specialists for driveway and patio cleaning in South Wales.
Professional Gutter Cleaning Services in South Wales
Protect Your Home from Water Damage
Your gutters play an essential role in protecting your property by channeling rainwater safely away from your roof, walls, and foundation. When debris builds up, water can overflow and cause serious — and expensive — damage. Our professional gutter cleaning service in South Wales keeps your gutters clear, functional, and ready for any weather.
Why Regular Gutter Cleaning Matters
Clogged gutters don’t just look untidy — they can lead to leaks, damp, roof damage, and even foundation issues. Regular gutter maintenance ensures that rainwater flows smoothly away from your home, preventing costly structural damage and preserving your property’s appearance.
Benefits of Our Gutter Cleaning Service
Prevents Water Damage – Ensures rainwater drains properly, protecting your roof and walls.
Extends Roof Life – Stops standing water and prevents rot or leaks.
Protects Your Foundation – Keeps excess water from pooling around your home.
Prevents Pests and Insects – Removes debris where mosquitoes and rodents nest.
Reduces Mould and Damp – Keeps your home dry and healthy.
Improves Curb Appeal – Keeps your gutters and roofline looking clean and cared for.
Saves You Money – Avoids expensive repairs caused by water or damp damage.
Serving All of South Wales
We proudly provide reliable, affordable gutter cleaning services throughout South Wales, including Cardiff, Swansea, Newport, Bridgend, and the surrounding areas. Whether you own a small home or a large property, our team ensures every gutter is cleared and flowing freely.
Get a Free Quote & Book Now
Protect your home and your wallet — don’t wait until your gutters overflow!
Contact us today for a Free Quote or click below to Book Now.
📞Call us: 07492 937816
📧Email:Celticextcleaning@hotmail.com
💧Book your Gutter Cleaning in South Wales today!-and let the sunshine back into your home!
Benefits of pressure washing, preventing damage caused by algae, mould, and grime buildup.
🏠 Professional Roof Cleaning & Moss Removal in South Wales
Looking for roof cleaning in South Wales?
At Celtic External Cleaning, we provide expert roof moss removal and roof cleaning services that restore your roof’s appearance, extend its lifespan, and protect your home from costly damage. Using safe, proven cleaning methods, we remove stubborn moss, algae, lichen, and dirt — leaving your roof looking fresh and well-maintained.
Why Choose Our Roof Cleaning & Moss Removal Services?
Protects Your Roof from Damage
Moss and algae can trap moisture, leading to cracked tiles and leaks. Our professional cleaning process removes all growth and prevents long-term damage.Improves the Look of Your Home
A clean, moss-free roof dramatically enhances your home’s kerb appeal, giving it a newer, well-cared-for appearance.Extends Roof Lifespan
Regular roof cleaning helps maintain tile integrity and prevents water pooling or frost damage — saving you money on future repairs.Safe, Non-Pressure Cleaning Methods
We use low-pressure soft-wash systems and eco-friendly treatments to gently remove moss and grime without damaging tiles or mortar.Prevents Regrowth
Our anti-moss biocide treatment kills spores and prevents regrowth for years, keeping your roof cleaner for longer.
Our Roof Cleaning Process
Manual moss removal using specialist tools
Low-pressure cleaning or soft washing for safe, deep cleaning
Application of biocide treatment to kill spores and stop regrowth
Final inspection and clean-up — we leave your property spotless
Areas We Cover
We proudly serve homes and businesses throughout South Wales, including:
Cardiff, Swansea, Newport, Bridgend, Barry, Llanelli, Merthyr Tydfil, Pontypridd, Caerphilly, Neath, Port Talbot, and nearby towns.
Book Your Roof Cleaning in South Wales Today
Transform your roof with Celtic External Cleaning, your trusted local specialists in roof cleaning and moss removal South Wales.
📞Call us: 07492 937816
📧Email:Celticextcleaning@hotmail.com
💧Book your Gutter Cleaning in South Wales today!-and let the sunshine back into your home!
Removal of moss that can build up and cause untold damage to the roof tiles and surfaces.
🌿 Professional Conservatory Cleaning in South Wales
Looking for reliable conservatory cleaning in South Wales?
At Celtic External Cleaning, we provide professional conservatory cleaning services across South Wales — helping homeowners keep their glass, uPVC, and roofing panels spotless, bright, and protected all year round. Whether your conservatory is in Cardiff, Swansea, Newport, or the Valleys, our expert team delivers outstanding results every time.
Why Choose Our Conservatory Cleaning Services in South Wales?
Let the Sunshine Back In
Our professional cleaning removes dirt, moss, algae, and water stains from glass and frames, flooding your conservatory with natural light again.Protect Your Investment
Regular conservatory cleaning helps prevent long-term damage to seals, glass, and uPVC. We stop algae and grime from causing discolouration or leaks — saving you money on repairs.Boost Your Home’s Kerb Appeal
A sparkling conservatory makes your whole property look fresher and more inviting — perfect for guests or potential buyers.Eco-Friendly, Streak-Free Finish
We use safe, non-toxic cleaning solutions that leave your glass crystal clear and your uPVC looking like new.Roof, Frames & Gutters Cleaned Safely
Our experienced cleaners use specialist poles and purified water systems to clean conservatory roofs and hard-to-reach areas safely from the ground.
Areas We Cover
We proudly serve homeowners throughout South Wales, including:
Cardiff, Newport, Swansea, Bridgend, Barry, Llanelli, Merthyr Tydfil, Pontypridd, Caerphilly, Neath, Port Talbot, and surrounding areas.
Book Your Conservatory Cleaning Today
Bring your conservatory back to life with Celtic External Cleaning, your trusted local experts for conservatory cleaning in South Wales.
📞 Call us: 07492 937816
📧 Email: Celticextcleaning@hotmail.com
💧 Book your Gutter Cleaning in South Wales today!-and let the sunshine back into your home!
Breath life into your tired and looking conservatory with our deep clean soft wash service
Get in touch today!
💧 Professional Gutter Cleaning in South Wales
Need reliable gutter cleaning in South Wales?
At Celtic External Cleaning, we specialise in safe, efficient, and affordable gutter cleaning services for homes and businesses across South Wales. Whether you’re dealing with overflowing gutters, blocked downpipes, or moss buildup, our expert team will restore proper flow and protect your property from costly water damage.
Why Choose Our Gutter Cleaning Services in South Wales?
Prevent Water Damage
Blocked gutters can lead to leaks, damp, and structural issues. We clear debris, leaves, and moss to ensure rainwater drains away smoothly and safely.Protect Your Roof & Walls
Regular gutter maintenance prevents overflow and water staining on brickwork, keeping your property looking its best and structurally sound.Safe, No-Ladder Cleaning Technology
Using specialist vacuum systems and extendable carbon fibre poles, we clean gutters safely from the ground — ideal for hard-to-reach areas.Before & After Photos Provided
We offer visual proof of your clean gutters, giving you peace of mind that the job has been done properly.Fully Insured & Professional Team
Our technicians are fully trained, insured, and experienced in working on all property types — from bungalows to three-storey homes.
Additional Services
We also offer:
Gutter repairs & maintenance
Fascia and soffit cleaning
Downpipe unblocking
Conservatory gutter cleaning
Combine services for even better value — keep your property clean, safe, and protected all year round.
Areas We Cover
Serving all of South Wales, including:
Cardiff, Newport, Swansea, Bridgend, Barry, Llanelli, Merthyr Tydfil, Pontypridd, Caerphilly, Neath, Port Talbot, and surrounding towns.
Book Your Gutter Cleaning Today
Don’t wait until your gutters overflow — protect your home today with Celtic External Cleaning, trusted experts for gutter cleaning in South Wales.
📞Call us: 07492 937816
📧Email:Celticextcleaning@hotmail.com
💧Book your Gutter Cleaning in South Wales today!-and let the sunshine back into your home!
Our gutter clearing service can be combined with a Soffit, Facias and down pipe cleaning package
Our Processes
Our Process working for you
Customer Testimonials
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