Case Studies
Briary Energy Ltd engages with a variety of clients and contractors to find new ways to improve and optimise energy strategies. Here is a sample of case studies from some of the projects we’ve worked on.
Contact us at info@briaryenergy.co.uk for more information on these projects or to see if we can help you with yours.
Case Study 1
Case Study 2
Case Study 3
Case Study 1
8x Terraced / Detached Properties
- 3 & 4 bed properties
- Brick and block constructions
- Gas heating
- Total Ground Floor Area = 350m²
- Total External Wall Area = 900m²
- Total Sloped Roof Area = 400m²
Aim
To achieve a perfect balance of cost savings and running costs while meeting regulations.
Results
Proposed Changes
- Replacing Premium PIR products with cheaper cavity batts/standard PIR
- Use our Bespoke Thermal Bridging calculations for the bridging details
Effects on SAP rating
- Proposed Specification – All B Ratings
- Cost Saving Specification – All B Rating
Cost Comparison
Initial
| Floor | £12,760.42 |
| Walls | £31,250.00 |
| Roof | £25,416.67 |
| Total | £69,427.08 |
Proposed
| Floor | £6,684.03 |
| Walls | £11,666.67 |
| Roof | £10,555.56 |
| Total | £28,906.25 |
Total Savings £40,520.83
Case Study 2
22x Flats / Terraces / Semi-Detached / Detached
- 22 Development site of flats and houses
- Plans showed Flue Gas Heat Recovery units were to be installed
Aim
Find a solution to remove Flue Gas Heat Recovery units.
Results
Cost savings and benefits
- Removed Time+Temperature Zone control from the smaller plots which allowed for cheaper heating controls
- More efficient and cheaper boiler installed
- Removed the need for Flue Gas Heat Recovery System
Cost Comparison
Initial
| Vaillant Ecotec Pro 30 | £1,160.00 (x22) |
| Zenex Gas Saver (FGHR) | £590.00 (x22) |
| Total | £38,500.00 |
Proposed
| Ideal Logic ESP1 30 | £940.00 (x22) |
| Remove Zenex Gas Saver | -£590.00 (x22) |
| Total | £20,680.00 |
Total Savings £17,820.00
Case Study 3
88x Terraced / Semi-Detached / Detached Properties
- 1 & 2 bed properties
- Brick and block constructions
- Gas heating
- Total Ground Floor Area = 45 – 105m²
Aim
Reduce overall costs of building materials used while maintaining energy efficiency ratings.
Results
Proposed changes
- Replacing Premium PIR products with cheaper cavity batts/standard PIR
- Use our Bespoke Thermal Bridging calculations for the bridging details
Effects on SAP rating
- Proposed Specification – All B Ratings
- Cost Saving Specification- All B Rating
Cost Comparison
Initial
| Floor | £53,395.66 |
| Walls | £151,773.69 |
| Roof | £29,874.76 |
| Total | £235,044.10 |
Proposed
| Floor | £35,630.69 |
| Walls | £73,943.58 |
| Roof | £23,506.30 |
| Total | £133,080.66 |
