Render Cleaning & Wall Soft Washing in Chichester

Render types — K-rend, pebbledash & painted walls

Render is the first thing people see of a house, and it is also the surface that shows organic growth the quickest. Once green algae, black streaking and lichen take hold, even a smart modern home starts to look tired and neglected. We bring it back. Our render and wall cleaning lifts the staining off the surface and restores a clean, even finish — and because every render reacts differently, we match the treatment to the finish:

• K-rend & monocouche — the through-coloured modern renders on so many newer homes across Chichester and the Witterings; cleaned by soft washing so the colour and the coating are never damaged.
• Pebbledash — the traditional textured finish that traps grime and greenery in every crevice, gently treated and rinsed without dislodging the stones.
• Painted & sand-and-cement render — older and painted walls cleaned at low pressure so the paint and the substrate stay sound.

It is the same surface-appropriate thinking that runs through all of our soft washing work, and links across to our brick & stonework and cladding cleaning — the right method for the material, never one harsh tool for everything.

Soft wash, never pressure — why it matters on render

This is the one rule we never break: render is cleaned by soft washing only. A pressure washer turned on render does real, lasting harm — it can blow out the render surface, crack the coating, and force water in behind it where it sits and causes damp. We do the opposite. A safe, biodegradable treatment kills the algae, lichen and black spot at the root, and then we rinse it away at low pressure. The growth comes off, the finish comes back, and the render itself is left completely intact. It is the same gentle approach we take to roof cleaning, and the deliberate counterpart to the firmer wash we reserve for tough horizontal surfaces like driveways and patios. Matching the method to the material is the whole job.

Biocide treatment to slow regrowth

Clearing the green is half the work; keeping it clear is the other half. Once the render is clean we can finish with a biocide treatment that keeps algae, lichen and black spot at bay for far longer than a clean alone. That matters most on the damp, coastal-facing walls around West Wittering, Bracklesham and Selsey, where the salt-laden sea air keeps walls wet and growth returns faster than it does inland. For the gentlest jobs — period and delicate render — we can also step up to chemical-free steam cleaning, lifting growth with heat and low pressure alone and nothing running off into your borders or the harbour waters.

Before & after

The difference a render clean makes to a house is hard to overstate — a green, streaked, grubby frontage comes back looking fresh and cared for, and it lifts the whole property with it. Every job above was a real wall we cleaned, from render in West Wittering — including a full before-and-after transformation — to the landmark Hotham Park clock tower at Bognor Regis. And because we soft wash rather than pressure blast, that finish is restored without ever putting the render coating at risk.

Get a free quote

We clean render and exterior walls right across Chichester and the harbour villages: Chichester (PO18, PO19), West Wittering, East Wittering, Bracklesham, Birdham, Itchenor and Selsey (PO20), out to Bognor Regis (PO21, PO22) and Emsworth (PO10) on the Hampshire border. For a free, no-obligation quote, get in touch — and if your brickwork, stonework or cladding needs the same gentle treatment, see the full soft washing service.