Required Concrete Volume
0 m³
Including wastage allowance
Calculate Ready Mix Concrete for South Wales Projects
Accurate Volume & Cost Estimates for Cardiff, Vale of Glamorgan & Beyond
Planning a concrete project in Cardiff or South Wales? Our Cardiff concrete calculator helps you accurately estimate the volume of ready-mix concrete needed for driveways, patios, foundations, and extensions across Cardiff, Barry, Newport, Penarth, and the Vale of Glamorgan. Calculate concrete quantities instantly and get cost estimates based on 2026 Cardiff concrete suppliers pricing.
Cardiff benefits from multiple ready-mix concrete suppliers including CEMEX, Tarmac, Hanson (HeidelbergCement), and local providers offering competitive rates. Our calculator uses current South Wales concrete prices ranging from £102-125/m³ depending on concrete grade, delivery distance, and project specifications compliant with Cardiff Building Control regulations.
Calculate volume, weight, and estimated costs for your project
Concrete prices in Cardiff and South Wales are influenced by grade specification, delivery distance, and supplier availability. Our Cardiff concrete calculator uses current market rates from major suppliers operating throughout Cardiff Bay, City Centre, Vale of Glamorgan, and the South Wales Valleys.
| Concrete Grade | Application | Price per m³ | Typical Use |
|---|---|---|---|
| C15 / GEN1 | Blinding / Light duty | £88-98 | Oversite blinding, light domestic paths |
| C20/25 / GEN2 | Domestic minimum | £95-108 | Garage floors, light traffic areas, shed bases |
| C25/30 / GEN3 | Standard structural | £102-120 | Driveways, patios, house floors, foundations |
| C30/37 / RC30 | Heavy duty residential | £112-130 | Commercial drives, reinforced bases, retaining walls |
| C35/45 / RC35 | Commercial grade | £122-140 | Industrial floors, agricultural yards, heavy machinery |
| C40/50 / RC40 | High strength | £135-155 | Structural beams, specialist applications, marine |
| Fibre Reinforced | Enhanced strength | £120-145 | Reduces cracking, industrial floors, parking areas |
| Self-Leveling | Floor screeds | £140-165 | Internal floor leveling, rapid pour applications |
Cardiff and South Wales are served by multiple ready-mix concrete suppliers with plants strategically located for efficient delivery to Cardiff, Barry, Newport, Vale of Glamorgan, and the Valleys. Use our Cardiff concrete calculator then contact these trusted suppliers for quotations.
Location: Cardiff Concrete Plant, CF24 area
Delivery Radius: 15-20 miles from Cardiff
Grades Available: Full range C15-C40, specialist mixes
Minimum Order: 0.5m³ typical for small loads
Price Range: £110-125/m³ for C25/30
Contact: Major UK supplier with digital ordering
Location: Taffs Wells, North Cardiff
Delivery Radius: Cardiff, Pontypridd, Vale, Valleys coverage
Grades Available: All standard grades plus fibre-reinforced
Minimum Order: 1m³ standard
Price Range: £105-120/m³ competitive rates
Contact: Established South Wales presence since 1903
Location: Multiple plants - Cardiff, Barry, Valleys
Delivery Radius: Comprehensive South Wales coverage
Grades Available: Full specification range
Minimum Order: Varies by location
Price Range: £108-125/m³ C25/30
Contact: Major supplier with quality assurance
Location: Serving Cardiff and surrounding areas
Delivery Radius: Cardiff County, Caerphilly, Bridgend, Monmouthshire
Grades Available: General and design ready-mix, screed
Minimum Order: Small load specialists from 0.5m³
Price Range: £100-118/m³ with local expertise
Contact: 029 2081 5657 - Over 25 years South Wales experience
Location: Local Cardiff supplier network
Delivery Radius: Cardiff, Vale, Barry, Penarth
Grades Available: Mixed on-site to specification
Minimum Order: 0.5m³ - excellent for DIY
Price Range: £95-115/m³ competitive local pricing
Contact: Three decades industry experience
Location: Regional South Wales network
Delivery Radius: Cardiff and 20-mile radius
Grades Available: All BS EN standards
Minimum Order: 1m³ typical
Price Range: £100-118/m³ regional focus
Contact: Strong local presence and competitive rates
Selecting the correct concrete grade ensures structural integrity and compliance with UK Building Regulations. Our Cardiff concrete calculator helps determine volume requirements, but choosing the appropriate grade is crucial for project success and Cardiff Council Building Control approval.
✓ Quick Grade Selection Guide:
Cardiff Council enforces UK Building Regulations for all construction projects. Concrete work typically requires Building Control notification or approval depending on project scope.
Concrete pricing varies across South Wales with Cardiff typically commanding a £2-8/m³ premium over Valleys locations. This reflects stronger construction demand, higher property values, and urban access challenges including narrow Victorian streets and parking restrictions.
Regional Price Comparison 2026:
Our calculator provides accurate volume estimates for rectangular, circular, and triangular concrete pours. Follow these steps for best results when planning your Cardiff construction project.
Accurate measurements: Use a measuring tape for length and width in meters
Depth specification: Typical depths - paths 75-100mm, driveways 100-150mm, foundations 150-225mm
Account for slopes: Measure at multiple points for uneven ground
Allow for formwork: Internal dimensions of your shuttering/formwork
Foundation: Load-bearing base for buildings (150-225mm deep)
Driveway: Vehicle access requiring 100-150mm depth minimum
Patio: Pedestrian area typically 75-100mm thickness
Floor slab: Internal or garage floors 100-150mm standard
Domestic driveways: C25/30 recommended minimum
Foundations: C25/30 or C30/37 based on structural design
Paths and patios: C20/25 acceptable, C25/30 for durability
Heavy-duty: C30/37 or C35/45 for commercial/agricultural
5% wastage: Simple rectangular pours with straight edges
10% wastage: Standard allowance for most projects
15% wastage: Complex shapes, irregular areas, stepped pours
20% wastage: Very irregular shapes or inexperienced pourers
Volume in m³: Order this amount from your supplier
Weight in tonnes: Ensure vehicle access can support concrete truck (26-32 tonnes loaded)
Cost estimate: Budget guideline including delivery and VAT
Number of loads: Standard truck carries 6-8m³ maximum
Get quotes: Contact 2-3 suppliers for competitive pricing
Book delivery: Specify grade, volume, and delivery time
Confirm access: Ensure concrete truck can reach pour location
Prepare site: Have formwork, reinforcement, and labor ready
Concrete delivery costs vary based on distance from the supplier plant and order volume. Most Cardiff suppliers operate from plants in Cardiff, Taffs Wells, and Barry with delivery coverage extending throughout South Wales.
⚠ Typical Cardiff Delivery Charges 2026:
Concrete delivery to Cardiff Bay development areas and city centre locations requires special planning due to narrow Victorian streets, parking restrictions, pedestrian zones, and high-value property developments.
Cardiff and South Wales experience high rainfall averaging 1,150mm annually. Plan concrete pours carefully considering weather forecasts and seasonal conditions.
Spring (March-May): Ideal temperatures 10-18°C, moderate rainfall, good curing conditions
Summer (June-August): Warm but watch for extreme heat over 25°C, risk of rapid drying
Autumn (September-November): Good conditions early autumn, increasing rain late season
Winter (December-February): Risk of frost damage, temperatures often below 5°C, pour with caution
Cardiff average: 170 rainy days per year - always have covers ready
Check forecast: 48-hour weather window essential for quality concrete
Light drizzle: Acceptable but cover during finishing
Heavy rain: Stop work immediately, protect fresh concrete with polythene sheets
Ideal range: 10-20°C for optimal curing and strength development
Cold weather (under 5°C): Use rapid-hardening cement, insulating blankets, frost protection
Hot weather (over 25°C): Pour early morning, wet cure, prevent rapid evaporation
Frost risk: November-March in Cardiff - protect for minimum 7 days
Minimum period: 7 days for adequate strength, 28 days for full strength
South Wales humidity: Generally favorable for curing but protect from rain
Keep moist: Spray with water or cover with wet hessian daily
Load bearing: Wait 7 days for light traffic, 28 days for heavy vehicles
Concrete prices in Cardiff range from £88-155 per cubic meter depending on grade. Standard C25/30 concrete (most common for driveways and foundations) costs £108-120/m³ in Cardiff city centre, £105-115/m³ in suburbs, and £100-112/m³ in Valleys locations. Cardiff Bay development area can reach £110-125/m³ due to access challenges. This includes material only - add £45-75 delivery charge depending on location. Total project cost includes VAT at 20%, delivery charges, and optional extras like fibre reinforcement.
C25/30 (also called GEN3) is the recommended minimum grade for domestic driveways in Cardiff and South Wales. This provides adequate strength for car traffic with 100-150mm thickness. For commercial driveways or heavy vehicle access, upgrade to C30/37 (RC30) with 150mm minimum depth and consider steel mesh reinforcement (A142 or A193). Cardiff's high rainfall and temperature variations make C25/30 the prudent choice for durability. Lighter grades like C20/25 are not recommended for driveways as they lack longevity for vehicle loading and Welsh weather conditions.
Building Control notification is required for structural concrete including house foundations, extensions, and load-bearing elements. Contact Cardiff Council Building Control (County Hall, Atlantic Wharf, Cardiff CF10 4UW) before starting work. Driveways, patios, and garden structures typically don't require Building Control but may need planning permission in conservation areas (Llandaff, Roath, Cyncoed) or if altering highway access. Foundation work requires approved structural calculations and inspections at key stages. Allow 48 hours minimum notice before starting notifiable work.
Cardiff Bay access can be challenging due to waterfront development restrictions, narrow access roads, and parking limitations. Standard ready-mix trucks are 3m wide and weigh 26-32 tonnes loaded. Many Bay properties require concrete pumping (£250-450 hire plus £6-9/m³). Book early morning deliveries (7-9am) to avoid traffic restrictions. Contact Cardiff Council Highways for parking permits if truck will occupy roadway. Alternative: use small-load minimix trucks (under 18 tonnes) which have better access but may cost £10-15/m³ more for small quantities.
Minimum orders vary by Cardiff supplier. Minimix Wales offers minimums from 0.5m³ (half cubic meter) ideal for small DIY projects. CEMEX Cardiff also accommodates 0.5m³ minimum orders. Larger suppliers like Tarmac and Hanson typically require 1m³ minimum. Small load surcharges of £15-25 may apply for orders under 3m³. For very small amounts (under 0.5m³), consider bagged concrete from builders merchants like Jewson or Travis Perkins in Cardiff, though this costs £200-300/m³ equivalent versus £110/m³ for ready-mix.
Yes - Valleys concrete typically costs £5-10/m³ cheaper than Cardiff (£100-112 versus £108-120/m³ for C25/30). Pontypridd, Caerphilly, Merthyr, and Aberdare benefit from competitive local suppliers, lower property values reducing development costs, and easier site access without Cardiff's parking restrictions and narrow Victorian streets. This creates a more competitive supplier environment. However, ensure your chosen Valleys supplier will deliver to your specific location without excessive distance charges that could eliminate the savings.
Domestic driveways in Cardiff should be minimum 100mm thick for light vehicles, with 150mm recommended for durability in South Wales weather. Use C25/30 concrete over 150-200mm compacted Type 1 MOT sub-base. For commercial driveways or heavy vehicles (vans, trucks), increase to 150-175mm concrete thickness with C30/37 grade and A142 steel mesh reinforcement. Cardiff's high rainfall (1,150mm annually) makes proper sub-base preparation critical - this is more important than concrete thickness for preventing settlement and cracking.
Major Cardiff suppliers deliver throughout South Wales including: Cardiff (all areas), Cardiff Bay, Penarth, Barry, Dinas Powys, Vale of Glamorgan, Newport, Cwmbran, Pontypridd, Caerphilly, Merthyr Tydfil, Aberdare, Bridgend, and Porthcawl. Typical delivery radius is 15-20 miles from the concrete plant. CEMEX and Tarmac have multiple South Wales plants providing comprehensive coverage. Delivery charges increase with distance: £45-55 within Cardiff, £55-65 Vale/Barry, £60-75 for Newport/Valleys, and £75-90 for outlying areas like Bridgend or rural Monmouthshire.