Latest Update: U-value Increases
Latest Update: U-value Increases
The following blog will discuss the most recent changes to building regulations, in particular the latest update on U-value increases.
Why are these changing?
Currently, heating and powering buildings in the UK accounts for 40% of our total energy usage. Making buildings more efficient will reduce the demand for energy, therefore saving homeowners money on their energy bills.
Increasing the level of insulation in roofs, walls and floors will improve the achievement of U-values. This means with lower U-values in place, there will be a reduction in the requirement for heat and power in homes.
As part of the Department Business, Energy & Industrial Strategy, they are aiming to half all energy usage by 2030. Their mission for this can be found at the following link – Click Here!
When are the changes happening?
The Amendment Regulations and accompanying Approved Documents L: Volumes 1 and 2 came into force on 15 June 2022.
These changes however will not apply should the plans have been deposited to a local authority before this date, and started prior to 15 June 2023.
Latest U-value Regulations June 2022
Main changes in relation to U-values
Whilst there are significant changes on the Part L documents, below are the U-value changes;
|
Table 1 – Notional dwelling specification of new dwelling |
||
|
Element Type |
Previous Minimum U-value |
Updated 2022 Minimum U-value |
|
Roof |
0.13 |
0.11 |
|
Wall |
0.18 |
0.18 |
|
Floor |
0.18 |
0.13 |
| Table 2 – New elements in existing dwellings | ||
|
Element Type |
Previous Minimum U-value |
Updated 2022 Minimum U-value |
|
Roof |
0.18 |
0.15 |
|
Wall |
0.28 |
0.18 |
|
Floor |
0.25 |
0.18 |
| Table 3 – Limiting U-values for existing elements in existing dwellings | ||
|
Element Type |
Previous Minimum U-value |
Updated 2022 Minimum U-value |
|
Roof |
0.18 |
0.16 |
|
Wall |
0.30 |
0.30 |
|
Floor |
0.25 |
0.25 |
Source – Approved Document L: Conservation of fuel and power – Volume 1: Dwellings
- Roof Details – Includes Pitched Roofs & Flat Roofs
- Wall Details – Includes Solid Walls, Timber Frames, Dormer Cheeks & Dwarf Walls
- Floor Details – Includes Suspended Timber Floors & Concrete Floors (Solid Floor)
SuperQuilt Insulation Pitched Roof
How to achieve these new U-values
Using SuperQuilt Insulation is the way forward. SuperQuilt Insulation is a high performance multifoil insulation certified for Roofs, Walls and Floors. SuperQuilt is proven to save cost, space & installation time compared to using “just” PIR Insulation, such as Kingspan and Celotex.
To view how SuperQuilt Insulation can assist achieving your U-value, check out our Free and Easy to use Online U-value Calculator;
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We offer SuperQuilt in a range of roll sizes. Our multi-layered blanket can be ordered online with free next working day delivery at the this link.
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