Our comprehensive triple guarantee includes the Lorimer product and installation guarantee, security guarantee and a 24/7 emergency call out service – all for 10 years.
Trusted by Thousands
The UK’s number 1 window and door supplier.
CR Smith is ranked #1 of 39 window suppliers on TrustPilot, based on real, independent reviews from real homeowners.
What the numbers mean
Our 4.9 out of 5 rating on TrustPilot is backed by over 6,000 independent reviews – with over 5,626 of them five stars.
Our customers have also ranked us as UK number one in categories including:
- door supplier
- double glazing
- window installation service
The difference behind the rating
Being ranked number one doesn’t happen by accident. Here’s what powers it behind the scenes:
Every window is fitted by skilled CR Smith tradespeople to the LorimerFit Standard, helping us maintain consistent quality at every stage.
Lorimer windows are precision-crafted in Scotland and designed specifically to perform in the unpredictable Scottish climate.
| Company | TrustPilot Ranking: Window Supplier | Total Reviews on TrustPilot | No. of 5 Star Reviews | TrustPilot Rating |
|---|---|---|---|---|
| CR Smith | 1 of 39 | 6,217 | 5,626 | 4.9 |
| SRJ Windows | 2 of 39 | 1,331 | 1,271 | 4.9 |
| HomeShield | 9 of 39 | 2,172 | 1,823 | 4.8 |
| Stevenswood | 11 of 39 | 739 | 646 | 4.8 |
| Sidey | 28 of 39 | 277 | 203 | 4.5 |
| Anglian | 38 of 39 | 40,077 | 23,837 | 3.9 |
Source: Trustpilot Date: 29/07/2026
See what our customers say
Read our full reviews on Trustpilot or see the full ranking in the Window Supplier category.