Cost Comparison - SureCav v 100mm Concrete Blocks
Costs and savings are those incurred using a 100mm, 7N dense concrete backing block, which is not required when SureCav is used.
The Costs are based on a 200 square metre wall dwelling which is the estimated square meterage of a four bedroom house.
The cost of SureCav for this area is priced at £19.20 m2 (plus installation by purchaser at £3.00 m2) giving a total of £4,440.00
| Description | Rate | Per | Cost |
| Material Cost | | | |
| Concrete block | £7.00 | psm* | £1,400.00 |
| DPC 40 linear metres | £1.50 | plm* | £60.00 |
| Mortar | £3.00 | psm* | £600.00 |
| Spoil excavation & haulage | £25.00 | cm* | £100.00 |
| Additional concrete in foundations | £100.00 | cm* | £400.00 |
Lintels over doors and windows in backing block skin along with additional wall ties
| At least
| | £600.00
|
| Labour Cost | | | |
Bricklayers & Labourer (estimated)
| £13.00 | psm* | £2,600.00 |
| Additional Costs | | | |
| 2 weeks extra financing on contract | estimated | | £500.00 |
| 2 weeks additional scaffold hire | £100.00 | pw* | £200.00 |
Total estimated cost of using concrete backing blocks | £6,460.0 |
| | | | |
| Comparison Results of SureCav v 100mm Concrete Blocks (per square metre) | | |
The estimated cost of using concrete backing blocks
| £32.30 |
| SureCav @ £19.20 per square metre (plus estimated purchaser's installation costs of £3.00 m2) | £22.20 |
By choosing SureCav you could be saving the difference of around £10 per square metre which, for 200m2 would be £2,000.00
Also, don't forget that the time saved using SureCav results in a faster build, estimated to be 10 working days on an average four bedroom house.
*psm - per square metre
*plm - per linear metre
*pw - per week
*cm - per cubic metre - 100mm x 40 m i.e. 4 cubic metre