- Companies
- Specialist contractors
- Larkhall
- The Window Expert Limited
The Window Expert Limited
- Company number
- SC836813
- Incorporated
- 7 Feb 20251 year trading
- Registered office
- Unit 8-10 Hindsland Road, Larkhall Industrial Estate, Larkhall, ML9 2PA
- Nature of business
- Other specialised construction activities n.e.c.
The Window Expert Limited is a 1-year-old private limited company registered in Larkhall, company number SC836813, one of 17 specialist construction companies in Larkhall. Its next accounts are due at Companies House on 7 November 2026, and its first CT600 is due at HMRC on 6 February 2027.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for The Window Expert LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Who runs and owns The Window Expert Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| J*** D*** | Director | Jan 2026 |
1 former officer
| Name | Role | Appointed | Left |
|---|---|---|---|
| L*** B*** | Director | Feb 2025 | Jan 2026 |
Person with significant control
Where The Window Expert Limited is registered
The registered office is in Larkhall (ML9), in the South Lanarkshire local authority area, Scotland. Show ML9 2PA on a map.
Other trade companies in ML9
- Mec Contracts LimitedBuilders
- Jrplumbing LimitedPlumbers and heating engineers
- NR Vertical Solutions LtdSpecialist contractors
- TKM Contacts LtdBuilders
- Sports Base (Scot) LimitedSpecialist contractors
- 1 Cal LtdMachinery repair and installation
- Air Priori LtdMachinery repair and installation
- Mop IT Like IT’S Hot LtdCleaning companies
Also registered at this address
2 other companies use the same registered office as The Window Expert Limited.
- Essential Scaffolding Lanarkshire LimitedScaffolders
- Harttrup Smith LtdJoiners and carpenters
What happens if The Window Expert Limited files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 7 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 8 Nov 2026 to 7 Dec 2026 | £150 |
| 1 to 3 months late | 8 Dec 2026 to 7 Feb 2027 | £375 |
| 3 to 6 months late | 8 Feb 2027 to 7 May 2027 | £750 |
| More than 6 months late | From 8 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- SC836813
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 February 2025 (1 year ago)
- Registered office
- Unit 8-10 Hindsland Road, Larkhall Industrial Estate, Larkhall, ML9 2PA
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 6 February 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Larkhall
Other active specialist construction companies registered in Larkhall.
- Travers Fire Sprinklers & Maintenance Ltd2026
- Westpoint Building Group Ltd2026
- Apex Installers (Larkhall) Limited2019
- Bellshill Building & Maintenance Ltd2011
- Clyde Windows and Construction Limited2010
- Cook & Curran Builders Limited2018
- Cruachan Civils Ltd2021
- Fences and Gates Limited2014
All specialist construction companies in Larkhall · All trades in Larkhall · Specialist contractors across the UK
Frequently asked questions
When are The Window Expert Limited's accounts due?
The Window Expert Limited's next accounts are due at Companies House by 7 November 2026 (in 26 days), covering the period to 31 March 2026.
When is The Window Expert Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 6 February 2026, due by 6 February 2027, and one for the period to 31 March 2026, due by 31 March 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is The Window Expert Limited still trading?
The Window Expert Limited is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does The Window Expert Limited do?
The Window Expert Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is The Window Expert Limited?
The Window Expert Limited was incorporated on 7 February 2025, 1 year ago.
Who runs The Window Expert Limited?
The Window Expert Limited has 1 active director, the longest-serving appointed in Jan 2026. Their names and service addresses are on the Companies House register.
Who owns The Window Expert Limited?
One person or company has significant control of The Window Expert Limited: an individual (owns 75% or more of the shares).
What is the penalty if The Window Expert Limited files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View The Window Expert Limited on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.