- Companies
- Installers
- St Helens
- GB Sealants Limited
GB Sealants Limited
- Company number
- 12124158
- Incorporated
- 26 Jul 20197 years trading
- Registered office
- 83 Taunton Avenue, Sutton Leach, St Helens, WA9 4NY
- Nature of business
- Other construction installation
GB Sealants Limited is a 7-year-old private limited company registered in St Helens, company number 12124158, one of 30 installation companies (insulation, lifts, shutters and similar) in St Helens. Its next accounts are due at Companies House on 29 December 2027, and the CT600 for the period to 29 March 2027 is due at HMRC on 29 March 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £30K (+39.6%) on the year before, to £107K.
- Net assets rose in 6 of 6 year-on-year comparisons on record.
- Current assets of £122K against £22K owed within a year: 5.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 7 years, 2020 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £107K | £63K | £122K | £22K | 2 |
| 31 Mar 2025 | £76K | £21K | £92K | £23K | 2 |
| 31 Mar 2024 | £55K | £22K | £75K | £19K | 3 |
| 31 Mar 2023 | £39K | £4,590 | £51K | £11K | 2 |
| 31 Mar 2022 | £21K | £2,659 | £43K | £21K | 2 |
| 31 Mar 2021 | £2,940 | £10K | £29K | £25K | 1 |
| 31 Mar 2020 | £38 | £1,815 | £8,244 | £13K | 1 |
Where GB Sealants Limited is registered
The registered office is in St Helens (WA9), in the St. Helens local authority area, North West. Show WA9 4NY on a map.
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- Completel Brickwork & Landscaping LtdBuilders
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What happens if GB Sealants 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 29 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2027 to 29 Jan 2028 | £150 |
| 1 to 3 months late | 30 Jan 2028 to 29 Mar 2028 | £375 |
| 3 to 6 months late | 30 Mar 2028 to 29 Jun 2028 | £750 |
| More than 6 months late | From 30 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Mar 2028 | £200 |
| 3 months late | 29 Jun 2028 | another £200 |
| 6 months late | 29 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 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
- 12124158
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 July 2019 (7 years ago)
- Registered office
- 83 Taunton Avenue, Sutton Leach, St Helens, WA9 4NY
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 29 March (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 25 July 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in St Helens
Other active installation companies (insulation, lifts, shutters and similar) registered in St Helens.
- Hef Construction Services Ltd2025
- Hummingbird Construction Consultancy Limited2018
- Jack Bassett.Set Ltd2025
- JC Drives and Patios Ltd2026
- Just Renovating Ltd2025
- JW Facades Ltd2023
- KMB Insulations Ltd2025
- Mike Bennett Motors Limited2019
All installation companies (insulation, lifts, shutters and similar) in St Helens · All trades in St Helens · Installers across the UK
Frequently asked questions
When are GB Sealants Limited's accounts due?
GB Sealants Limited's next accounts are due at Companies House by 29 December 2027 (in 442 days), covering the period to 29 March 2027.
When is GB Sealants Limited's CT600 due?
The CT600 for the period to 29 March 2027 is due at HMRC by 29 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 30 December 2027.
Is GB Sealants Limited still trading?
GB Sealants 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 GB Sealants Limited do?
GB Sealants Limited is registered under Other construction installation (SIC 43290).
How old is GB Sealants Limited?
GB Sealants Limited was incorporated on 26 July 2019, 7 years ago.
What is the penalty if GB Sealants 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 GB Sealants 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.