Monocouche render · South Glamorgan
Monocouche render in Cardiff
If you're planning monocouche render in Cardiff, start with a free survey: we measure, check the walls and confirm planning and building control for your address. For Cardiff homeowners matching a new extension to an existing rendered house, we compare monocouche and silicone samples first.
- Free survey in CF10 and nearby
- Guide price from £54 per m² + scaffold, inc VAT
- Fixed written price before work starts
Free survey in Cardiff
Postcode, service and a phone number is all we need.
What the job covers
- Beads and movement joints control cracking
- Applied in one or two passes, often by spray machine
- Good for new blockwork and extensions
- Not the finish used over insulation boards
What we look for in Cardiff
Surveys in Cardiff also cover the surrounding CF10 district and towns such as Penarth and Caerphilly. South Wales has long runs of solid-wall valley terraces, Victorian and Edwardian town housing and post-war council estates.
Exposure to wind-driven rain varies across South Glamorgan: 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.
Extensions and new blockwork in Cardiff are where monocouche makes most sense.
- Postcode district
- CF10
- County or area
- South Glamorgan
- Nation
- Wales
- Nearby
- Penarth, Caerphilly, Barry, Risca
Wales: planning and regulations
We check Cardiff addresses for conservation areas and listing before quoting, because Welsh permitted development rules don't cover every external change.
Welsh Building Regulations expect walls to be upgraded when a substantial area is renewed, and building control signs the work off.
Can monocouche go over insulation?
No — insulation systems use a mesh-reinforced base coat and a thin-coat finish instead. If you want insulation as well as a new finish, see insulated render.
Monocouche render prices in Cardiff
| Item | Guide price | Notes |
|---|---|---|
| Monocouche on blockwork | £54–£84 per m²inc VAT | Excluding scaffold |
| Single-storey extension | £2,395–£4,195inc VAT | Typical |
| Beads and movement joints | Included |
Confirmed by a fixed written quote after survey. Prices include VAT at 20%.
How it works
Get a guide price
Try the online quote tool for a ballpark figure.
Book the survey
A visit at a time that suits you.
Agree the quote
Nothing starts until you've signed the written price.
We do the work
Planned around weather, with you kept informed.
Monocouche render in Cardiff: questions
Monocouche or silicone for an extension?
Both work on new blockwork. Silicone over a base coat costs a little more but tends to stay cleaner.
How long does monocouche last?
Typically 20 years or more on a suitable wall, depending on exposure and detailing.
Is monocouche waterproof?
It's water-resistant and sheds rain, while still allowing some vapour through.
Do you cover Cardiff?
Yes — we survey and quote monocouche render in Cardiff (CF10) and nearby Penarth, Caerphilly and Barry, with a fixed written price before any work starts.