- Companies
- Plumbers and heating engineers
- London
- Gaswerks Ltd
Gaswerks Ltd
- Company number
- 14966236
- Incorporated
- 27 Jun 20233 years trading
- Registered office
- 11 Sixth Avenue, London, E12 5PP
- Nature of business
- Plumbing, heat and air-conditioning installation
Gaswerks Ltd is a 3-year-old private limited company registered in London, company number 14966236, one of 2,972 plumbing and heating companies in London. 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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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 £987 (+28.3%) on the year before, to £4,477.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £4,477 | £2,848 | £0 | 0 | |
| 30 Jun 2024 | £3,490 | £3,490 | £3,490 | 1 |
Where Gaswerks Ltd is registered
The registered office is in London (E12), in the Newham local authority area, London. Show E12 5PP on a map.
Other trade companies in E12
- Hhda LtdBuilders
- Zondon Autos LtdMotor traders
- Thatikonda LtdBuilders
- Afz Maintenance LtdPlumbers and heating engineers
- Repairwise Property Maintenance LtdFinishing trades
- W4 Residences LtdPainters and decorators
- Lima Trucks LtdMotor traders
- Ai Prime Constructions LtdProperty developers
What happens if Gaswerks 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 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
- 14966236
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 27 June 2023 (3 years ago)
- Registered office
- 11 Sixth Avenue, London, E12 5PP
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 26 June 2026
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 London
Other active plumbing and heating companies registered in London.
- Gaswork Solutions Ltd2019
- Gasworx Cooling & Heating Limited2022
- Gaszone Limited2021
- Gaw Heating Services Ltd2020
- Gaz-Serwis Limited2014
- GB Contracting Limited2003
- GB Gas Solutions Limited2018
- GB Plumbing & Heating Limited2008
All plumbing and heating companies in London · All trades in London · Plumbers and heating engineers across the UK
Frequently asked questions
When are Gaswerks Ltd's accounts due?
Gaswerks Ltd's next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Gaswerks Ltd'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 Gaswerks Ltd still trading?
Gaswerks 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 Gaswerks Ltd do?
Gaswerks Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Gaswerks Ltd?
Gaswerks Ltd was incorporated on 27 June 2023, 3 years ago.
What is the penalty if Gaswerks 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 Gaswerks 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.