Render cleaning · Gwynedd
Render cleaning and treatment in Caernarfon
Need render cleaning in Caernarfon? Tell us about the property and we'll arrange a free survey and a written quote. Shaded and north-facing walls in Caernarfon often need render cleaning sooner than sunny elevations.
- Free survey in LL55 and nearby
- Guide price from £10 per m² inc VAT
- Fixed written price before work starts
Free survey in Caernarfon
Postcode, service and a phone number is all we need.
What you get
- Biocide treatment that continues to work after cleaning
- Low-pressure application — no high-pressure jetting
- Optional silicone paint to refresh faded colour
- Most houses done in a day
Homes and walls in Caernarfon
We cover Caernarfon and nearby Llangefni, Bangor (Gwynedd) and Holyhead. Caernarfon sits around 8 miles from Bangor (Gwynedd). North Wales has many solid stone and slate-built homes, Victorian seaside terraces and post-war council estates.
Parts of Gwynedd fall in the higher wind-driven rain exposure bands, especially coastal and upland sites, so render specification, movement joints and detailing at cills, verges and the base of the wall matter more than usual.
For Caernarfon homes with faded render, we price a clean and a clean-and-refresh option.
- Postcode district
- LL55
- County or area
- Gwynedd
- Nation
- Wales
- Nearby
- Llangefni, Bangor (Gwynedd), Holyhead, Llandudno
Approvals in Wales
Small repairs and cleaning in Caernarfon normally need no approvals. Listed buildings are the exception — even minor external work can need consent.
How long does cleaned render stay clean?
It depends on shade, trees and exposure. Many walls stay clean for several years after a biocide treatment. North-facing, shaded and damp walls may need treating more often.
Render cleaning and treatment prices in Caernarfon
| Item | Guide price | Notes |
|---|---|---|
| Soft wash and biocide | £10–£19 per m²inc VAT | Minimum £475 |
| Clean and silicone paint refresh | £22–£36 per m²inc VAT | Excluding scaffold |
| Typical semi, all elevations | £835–£1,555inc VAT | Clean only |
Confirmed by a fixed written quote after survey. Prices include VAT at 20%.
From enquiry to finished wall
Enquiry
Send your postcode and a few details.
Measured survey
Walls, damp, eaves, cills and services recorded.
Written price
A fixed price with the specification attached.
Work and handover
Installed, inspected and documents handed over.
Render cleaning in Caernarfon: questions
Is render cleaning safe for EWI?
Yes, using low pressure and products suitable for thin-coat render.
Do you need scaffolding?
Usually not for a two-storey house; poles and low-pressure equipment reach most walls.
Will the green come back?
The biocide slows regrowth considerably, but shaded, damp walls can need retreating every few years.
Do you cover Caernarfon?
Yes — we survey and quote render cleaning in Caernarfon (LL55) and nearby Llangefni, Bangor (Gwynedd) and Holyhead, with a fixed written price before any work starts.