Render cleaning · County Down
Render cleaning and treatment in Castlereagh
Need render cleaning in Castlereagh? Tell us about the property and we'll arrange a free survey and a written quote. We clean render in Castlereagh with low pressure only, so thin-coat and EWI finishes aren't damaged.
- Free survey in BT5 and nearby
- Guide price from £10 per m² inc VAT
- Fixed written price before work starts
Free survey in Castlereagh
Postcode, service and a phone number is all we need.
What the job covers
- Low-pressure application — no high-pressure jetting
- Safe for silicone, acrylic, monocouche and EWI finishes
- Biocide treatment that continues to work after cleaning
- Optional silicone paint to refresh faded colour
Castlereagh: walls, weather and approvals
As well as Castlereagh itself, we quote in Belfast, Holywood and Newtownabbey. Castlereagh sits around 11 miles from Bangor (County Down). Northern Ireland has many rendered and pebble-dashed homes, older solid-walled rural houses, and estates built by the Housing Executive.
Exposure to wind-driven rain varies across County Down: sheltered town streets fare better than walls on high ground or facing the prevailing weather, and the render, beads and cill details are chosen with that in mind.
For Castlereagh homes with faded render, we price a clean and a clean-and-refresh option.
- Postcode district
- BT5
- County or area
- County Down
- Nation
- Northern Ireland
- Nearby
- Belfast, Holywood, Newtownabbey, Lisburn
Planning and building control in Northern Ireland
Repairs, cleaning and like-for-like patching don't usually need planning permission. If the work grows into replacing most of a wall's render, we check with the council's building standards or building control team first.
Why not pressure wash render?
Thin-coat renders are only 1–2mm thick. High-pressure jetting can erode the texture, strip colour, force water behind beads and cracks, and damage the insulation system underneath. A soft wash uses chemistry rather than pressure to do the work.
Render cleaning and treatment prices in Castlereagh
| 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
Tell us about the property
Use the quote tool or form, or call. Photos help.
Free survey
We measure, check the walls and confirm approvals.
Fixed written quote
System, details, access, exclusions and VAT in writing.
Installation
Scheduled for suitable weather, with a clear programme.
Render cleaning in Castlereagh: questions
Is render cleaning safe for EWI?
Yes, using low pressure and products suitable for thin-coat render.
Can faded render be refreshed?
Yes — a compatible silicone paint restores colour without making the wall less breathable.
Do you need scaffolding?
Usually not for a two-storey house; poles and low-pressure equipment reach most walls.
Do you cover Castlereagh?
Yes — we survey and quote render cleaning in Castlereagh (BT5) and nearby Belfast, Holywood and Newtownabbey, with a fixed written price before any work starts.