| Merlin Eco Extract Fan dMEV – 100 mm (4″) | build4less.co.uk | 148.51 GBP | 228.48 GBP | −35% |
| Merlin Eco Extract Fan dMEV – 100 mm (4″) | glazingsuppliesdirect.com | 254 GBP | 316 GBP | −19.6% |
| Scaffold Spirit Level | glazingsuppliesdirect.com | 12.44 GBP | 12.5 GBP | −0.5% |
| Aqua Double Pump Kit | glazingsuppliesdirect.com | 1471 GBP | — | — |
| Aqua Pump Kit | glazingsuppliesdirect.com | 987 GBP | — | — |
| Sovereign Auto Concure 20/20 (PIV) System for Whole-House Condensation Control | glazingsuppliesdirect.com | 758.02 GBP | — | — |
| Sovereign Auto Concure 20/20 (PIV) System for Whole-House Condensation Control | build4less.co.uk | 688.8 GBP | — | — |
| Lo-Carbon Positive Input Ventilation Unit with Heater (PIV LOFT) | glazingsuppliesdirect.com | 579 GBP | — | — |
| Lo-Carbon Positive Input Ventilation Unit with Heater (PIV WALL) | glazingsuppliesdirect.com | 579 GBP | — | — |
| Lo-Carbon Positive Input Ventilation Unit with Heater (PIV WALL) | build4less.co.uk | 418.8 GBP | — | — |
| 20mm Stud Membrane - Black - Biokil Crown - High-Capacity Cavity Drainage Membrane | glazingsuppliesdirect.com | 340 GBP | — | — |
| Dryzone Drygrip Adhesive (Box of 12) - High-Performance Plasterboard Adhesive | glazingsuppliesdirect.com | 339 GBP | — | — |
| 8mm Meshed Membrane - Clear HDPE Cavity Drain Membrane with Integrated Mesh - Biokil Crown | glazingsuppliesdirect.com | 295 GBP | — | — |
| 20mm Stud Membrane - Black - Biokil Crown - High-Capacity Cavity Drainage Membrane | build4less.co.uk | 245.7 GBP | — | — |
| 3mm Membrane Clear - Cavity Drainage Membrane - Biokil Crown | glazingsuppliesdirect.com | 235 GBP | — | — |
| 8mm Membrane - Clear - Biokil Crown | glazingsuppliesdirect.com | 225 GBP | — | — |
| EVERBUILD® EVERFLEX® 500 Bath & Sanitary Silicone Sealant – 295ml | glazingsuppliesdirect.com | 208 GBP | — | — |
| Epoxy Tanking - Waterproofing System for Concrete and Masonry - Biokil Crown | glazingsuppliesdirect.com | 191 GBP | — | — |
| Sovereign SBR Bonding Agent - For Render, Screed & Repair | glazingsuppliesdirect.com | 184 GBP | — | — |
| Sovereign 5L Weather-Chek Facade Cream - Long-Lasting Water Repellent for Brick, Stone & Masonry | glazingsuppliesdirect.com | 181 GBP | — | — |
| EVERBUILD® BLACK JACK® 901 Black Bitumen Paint – 25L | glazingsuppliesdirect.com | 181 GBP | — | — |
| Dryshield Cream - Salt-Resistant Damp-Resistant Cream | glazingsuppliesdirect.com | 180 GBP | — | — |
| EVERBUILD® Forever® - White/Clear/Ivory Silicone Sealants – 295ml (Box of 12) | glazingsuppliesdirect.com | 179 GBP | — | — |
| Stormdry Masonry Protection Cream - Breathable Water Repellent for Masonry Surfaces | glazingsuppliesdirect.com | 176 GBP | — | — |
| BioDry ProSolv – Solvent-Based Damp-Proof Injection Fluid - Biokil Crown | glazingsuppliesdirect.com | 175 GBP | — | — |
| Safeguard Dryzone DPC Damp Proof Injection Cream – 5L | glazingsuppliesdirect.com | 175 GBP | — | — |
| Epoxy Bonding Sealer - Epoxy Primer & Sealer - Biokil Crown | glazingsuppliesdirect.com | 175 GBP | — | — |
| Silicone Based Injection Fluid - Deep-Penetrating Chemical DPC - Biokil Crown | glazingsuppliesdirect.com | 175 GBP | — | — |
| Safeguard Dryrod Damp-Proofing Rods - 50 Pack - For Rising Damp | glazingsuppliesdirect.com | 165 GBP | — | — |
| EVERBUILD® No Waste Expanding Foam – 750ml | glazingsuppliesdirect.com | 162 GBP | — | — |
| Alkali-Resistant Silicone Water Repellent - Biokil Crown | glazingsuppliesdirect.com | 158 GBP | — | — |
| EVERBUILD® EVERFLEX® 500 Bath & Sanitary Silicone Sealant – 295ml | build4less.co.uk | 150 GBP | — | — |
| Passyfier Vent – Condensation Control Ventilation Unit | glazingsuppliesdirect.com | 148 GBP | — | — |
| EVERBUILD Lumberjack 650 Floor Adhesive - All Timber Flooring | glazingsuppliesdirect.com | 144 GBP | — | — |
| Sovereign SBR Bonding Agent - For Render, Screed & Repair | build4less.co.uk | 132.71 GBP | — | — |
| Kingfisher Kolourseal Roof Renovation - High-Performance Roof Coating for Tile & Sheet | build4less.co.uk | 130.8 GBP | — | — |
| EVERBUILD® BLACK JACK® 901 Black Bitumen Paint – 25L | build4less.co.uk | 130.8 GBP | — | — |
| EVERBUILD® Forever® - White/Clear/Ivory Silicone Sealants – 295ml (Box of 12) | build4less.co.uk | 128.88 GBP | — | — |
| Silicone Based Injection Fluid - Deep-Penetrating Chemical DPC - Biokil Crown | build4less.co.uk | 126 GBP | — | — |
| Safeguard Dryzone DPC Damp Proof Injection Cream – 5L | build4less.co.uk | 126 GBP | — | — |