Bespoke Windows Dulwich is a uPVC and timber sash window and door company based in East Dulwich (SE22), specialising in replacement sash windows for period properties, including Victorian, Edwardian and Georgian homes, with timber and heritage uPVC options. Established in 1987, the company is FENSA registered (registration no. 37657) and offers a 10-year guarantee. This SEI profile presents structured customer experience evidence collected through verified post-completion interviews.
Profile last updated: Aug 2026
Experience Summary
Based on 52 verified customer experience records collected through post-completion customer interviews from January to August 2026, Bespoke Windows Dulwich holds an SEI Score of 9.5 out of 10 across completed window projects represented in the current SEI dataset. The score reflects structured customer feedback across product satisfaction, installation satisfaction, process and communication, and likelihood to recommend, rather than self-submitted public reviews.
Score Breakdown
Consistency Signals
of customers scored 8/10 or higher
recommendation rate
Most mentioned
What customers mention most
Themes raised in customers’ own words across 52 verified customer interviews, January 2026 to August 2026.
Installation quality
Mentioned in 45 of 52 interviews
Quality of work
Mentioned in 39 of 52 interviews
Friendly team
Mentioned in 34 of 52 interviews
Clear communication
Mentioned in 32 of 52 interviews
Smooth process
Mentioned in 21 of 52 interviews
Tidiness
Mentioned in 20 of 52 interviews
Themes are identified from structured post-completion interviews, not from submitted reviews. A theme is recorded only where the customer raised it in their own words.
Verified experience by project type
What was installed on the 52 verified customer projects in the current SEI dataset, January to August 2026.
Sash windows
41verified projects
176 units installed
9.5 / 10 Average SEI Score
Casement windows
18verified projects
39 units installed
9.4 / 10 Average SEI Score
French doors
5verified projects
5 units installed
9.9 / 10 Average SEI Score
Tilt and turn windows
3verified projects
3 units installed
Evidence building
Secondary glazing
1verified project
1 unit installed
Evidence building
Counts reflect verified experiences represented in the current SEI dataset, not all projects completed by the company. A project containing multiple product types is counted once under each relevant type. Average scores are shown once a project type has five or more verified projects.
Verified experience by area
Where the 52 verified customer experiences in the current SEI dataset took place, January to August 2026.
East Dulwich SE22
14verified experiences
9.5 / 10 Average SEI Score
Peckham SE15
12verified experiences
9.5 / 10 Average SEI Score
West Norwood SE27
4verified experiences
Evidence building
Local evidence
East Dulwich — 13 verified sash window projects · 44 units installed
Counts reflect verified experiences represented in the current SEI dataset, not all projects completed by the company. Average scores are shown once an area has five or more verified experiences.
Services Offered
- UPVC Sash Windows
- Timber Sash Windows
- Timber Windows
- Timber Casement Windows
- UPVC Casement Windows
- Front Doors
- French Doors
- Double-Glazing
- Timber Doors
- Double Glazed Windows
- UPVC Doors
Location
Based in East Dulwich (SE22)
52 Verified Customer Experience Records
Project Details
Sash window installation in East Dulwich (SE22)
Installation of two sash windows in East Dulwich (SE22) was carried out by the company, chosen for its reputation and competitive pricing once a discount was applied. The customer described the installation process as smooth, with no miscommunication throughout, and reported no issues with the windows' performance afterwards. One team member, Callum, was specifically noted as leaving a strong impression. The customer indicated they would likely recommend the company to others.
CUSTOMER VOICE
“There's been no miscommunication, everything has been smooth.”
Project Details
Casement window installation in Herne Hill (SE24)
Installation of casement windows in Herne Hill (SE24) involved return work for a customer who had used the company before and chose it again due to its local reputation. The customer noted that the installation team did more than agreed, describing the fitters as efficient and considerate of the property, including replacing blinds without being asked. The windows were confirmed to open and close smoothly following completion, and the overall experience was described without reservation across communication, installation and finish.
CUSTOMER VOICE
“The installers put the blinds back up, which I hadn't figured out how to do. They did it for me without even asking. They took care of the house and they were really quick and efficient.”
Project Details
Sash window installation in East Dulwich (SE22)
Installation of two sash windows in East Dulwich (SE22) was carried out by the same company that had completed previous window work for the customer, which was cited as the reason for returning. The installation was rated highly, with the customer noting that everything went well and describing the fitting team as very good. A wrong-size item was noted early on but was not treated as a significant issue. Windows fitted previously were reported to still be performing well after several years, with the overall experience and likelihood to recommend also rated at the top of the scale.
CUSTOMER VOICE
“The ones that we put in a couple of years ago are great. No issues, still perform well. Very happy with them.”
Project Details
Sash window installation in Peckham (SE15)
Installation of three sash windows in SE15 took place alongside separate box sash window work on the front of the property, both handled under the same parent company, which the customer said made it straightforward to have everything completed together. The team, Dan and Tash, were described as polite and professional, with tidying up noted throughout the visit. A return visit was scheduled to finish one window not completed on the first day, and one window was revisited to address an issue found afterwards. Communication remained clear throughout, and the customer said they would strongly recommend the company.
CUSTOMER VOICE
“The installers were very polite chaps, did a lot of tidying up, no complaints.”
Project Details
Casement window installation in Lewisham (SE13)
Installation of a casement window in SE13 was carried out for a customer who chose the company because they were the only one to visit the property and provide a quote in person rather than over the phone or by email. The customer described the installation as quick and smooth, with the finished windows performing well. Communication throughout the process was described as easy, and the team was described positively. The customer indicated they would recommend the company to others.
CUSTOMER VOICE
“You were the only company that I contacted that offered to swing by and actually check out the property.”
Showing 1–5 of 52 records