- Companies
- Specialist contractors
- Swansea
- Bay Insulation and Loft Boarding Ltd
Bay Insulation and Loft Boarding Ltd
- Company number
- 17077108
- Incorporated
- 9 Mar 2026
- Registered office
- 156 ST Helens Road, Swansea, SA1 4DG
- Nature of business
- Other specialised construction activities n.e.c.
Bay Insulation and Loft Boarding Ltd is a newly incorporated private limited company registered in Swansea, company number 17077108, one of 99 specialist construction companies in Swansea. Its next accounts are due at Companies House on 9 December 2027, and its first CT600 is due at HMRC on 8 March 2028.
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 Bay Insulation and Loft Boarding LtdOr 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.
Where Bay Insulation and Loft Boarding Ltd is registered
The registered office is in Swansea (SA1), in the Swansea local authority area, Wales. Show SA1 4DG on a map.
Other trade companies in SA1
- JDS Ringside Customs LtdRepair services
- D & M Carpentry and Construction LimitedCivil engineering
- Westway Window Systems LimitedJoiners and carpenters
- International Classic Car Sales LtdMotor traders
- Edefec LtdBuilders
- Swansea Scaffolding Services LtdScaffolders
- Lou's Paint and Finish LimitedPainters and decorators
- Mesa Property Development LtdProperty developers
What happens if Bay Insulation and Loft Boarding Ltd 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 9 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 10 Dec 2027 to 9 Jan 2028 | £150 |
| 1 to 3 months late | 10 Jan 2028 to 9 Mar 2028 | £375 |
| 3 to 6 months late | 10 Mar 2028 to 9 Jun 2028 | £750 |
| More than 6 months late | From 10 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 17077108
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 March 2026
- Registered office
- 156 ST Helens Road, Swansea, SA1 4DG
- 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
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 Swansea
Other active specialist construction companies registered in Swansea.
- Bishops Stone Limited2025
- Block Property Maintenance Limited2024
- BSL Decorations Ltd2023
- Budget Builders 2 Ltd2020
- Building Services Controls 2 Limited2026
- Building Services Controls Limited1996
- C N Evans Plant Hire Ltd2003
- Castle Graig Limited2022
All specialist construction companies in Swansea · All trades in Swansea · Specialist contractors across the UK
Frequently asked questions
When are Bay Insulation and Loft Boarding Ltd's accounts due?
Bay Insulation and Loft Boarding Ltd's next accounts are due at Companies House by 9 December 2027 (in 422 days), covering the period to 31 March 2027.
When is Bay Insulation and Loft Boarding Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 8 March 2027, due by 8 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Bay Insulation and Loft Boarding Ltd still trading?
Bay Insulation and Loft Boarding Ltd 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 Bay Insulation and Loft Boarding Ltd do?
Bay Insulation and Loft Boarding Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Bay Insulation and Loft Boarding Ltd?
Bay Insulation and Loft Boarding Ltd was incorporated on 9 March 2026, less than a year ago.
What is the penalty if Bay Insulation and Loft Boarding Ltd 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 Bay Insulation and Loft Boarding Ltd 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.