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- GB-Sol Projects Limited
Company profile · Plumbers and heating engineers
GB-Sol Projects Limited
GB-Sol Projects Limited is a 15-year-old private limited company registered in Cardiff, company number 07508773, one of 170 plumbing and heating companies in Cardiff. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 June 2025, as filed at Companies House.
GB-Sol Projects Limited over the years
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 £187K (+49.1%) on the year before, to £570K.
- Net assets rose in 5 of 5 year-on-year comparisons on record.
- Current assets of £1.1M against £581K owed within a year: 1.9 times cover.
- 19 employees on average, up from 12 the year before.
- Balance sheets on record for 6 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £570K | £290K | £1.1M | £581K | 19 |
| 30 Jun 2024 | £382K | £33K | £1.1M | £764K | 12 |
| 30 Jun 2023 | £248K | £73K | £825K | £588K | 2 |
| 30 Jun 2022 | £122K | £238K | £116K | 2 | |
| 30 Jun 2021 | £65K | £181K | £116K | 2 | |
| 31 Dec 2019 | £3,249 | £4,580 | £1,331 | 2 |
Where GB-Sol Projects Limited is registered
The registered office is in Cardiff (CF37), in the Rhondda Cynon Taf local authority area, Wales. Show CF37 5YB on a map.
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What happens if GB-Sol Projects 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 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 07508773
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 January 2011 (15 years ago)
- Registered office
- Renewable Energy Works, Treforest Industrial Estate, Cardiff, CF37 5YB
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 15 December 2025
- Previous names
- Green Outlook Limited (until 24 Feb 2021)
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Cardiff
Other active plumbing and heating companies registered in Cardiff.
- Ge Cooling Limited2016
- GJP Heating Ltd2013
- Glowtech Heating & Plumbing Ltd2021
- God of Gas Ltd2024
- Gogas Solutions Plumbing and Heating Ltd2020
- Grangetown Plumber Ltd2025
- GRC Plumbing and Heating (Cardiff) Ltd2024
- Green Heat Wales Ltd2009
All plumbing and heating companies in Cardiff · All trades in Cardiff · Plumbers and heating engineers across the UK
Frequently asked questions
When are GB-Sol Projects Limited's accounts due?
GB-Sol Projects Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is GB-Sol Projects Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is GB-Sol Projects Limited still trading?
GB-Sol Projects 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-Sol Projects Limited do?
GB-Sol Projects Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is GB-Sol Projects Limited?
GB-Sol Projects Limited was incorporated on 27 January 2011, 15 years ago.
What is the penalty if GB-Sol Projects 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-Sol Projects Limited on Companies House for filed documents, officers and the full history.
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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.