- Companies
- Specialist contractors
- Watford
- Gas Man Den Ltd
Gas Man Den Ltd
- Company number
- 12250743
- Incorporated
- 9 Oct 20197 years trading
- Registered office
- 49 Muirfield Road, Watford, WD19 6LP
- Nature of business
- Other specialised construction activities n.e.c.
Gas Man Den Ltd is a 7-year-old private limited company registered in Watford, company number 12250743, one of 150 specialist construction companies in Watford. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 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 £77 (+1.2%) on the year before, to £6,639.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £36K against £48K owed within a year: 0.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2025 | £6,639 | £36K | £48K | 1 | |
| 31 Oct 2024 | £6,562 | £33K | £49K | 1 | |
| 31 Oct 2023 | £8,929 | £48K | £44K | 1 | |
| 31 Oct 2022 | £29K | £76K | £50K | 1 | |
| 31 Oct 2021 | £31K | £48K | £20K | 1 | |
| 31 Oct 2020 | £29K | £68K | £44K | 1 |
Where Gas Man Den Ltd is registered
The registered office is in Watford (WD19), in the Three Rivers local authority area, East of England. Show WD19 6LP on a map.
Other trade companies in WD19
- DTVM Security Solutions LtdElectricians
- Scenic Plasterwork’S LtdPlasterers
- Terranova Gardens LtdLandscapers and gardeners
- Synclyst LtdCleaning companies
- Hcdbl Group LtdProperty developers
- Primecore Contracts LimitedBuilders
- Kenworx Plumbing & Heating LtdPlumbers and heating engineers
- Adrclim LimitedBuilders
What happens if Gas Man Den 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 12250743
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 October 2019 (7 years ago)
- Registered office
- 49 Muirfield Road, Watford, WD19 6LP
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 7 October 2025
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 Watford
Other active specialist construction companies registered in Watford.
- Gemech Engineering Limited2015
- Gemini Project Consultants Limited2007
- General Building UK Ltd2007
- Goian Group Ltd2020
- Goodyer Limited2000
- Grant Joinery / Building Ltd2016
- Green Life Landscapes Limited2019
- Griguta Construct Ltd2019
All specialist construction companies in Watford · All trades in Watford · Specialist contractors across the UK
Frequently asked questions
When are Gas Man Den Ltd's accounts due?
Gas Man Den Ltd's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Gas Man Den Ltd's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Gas Man Den Ltd still trading?
Gas Man Den 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 Gas Man Den Ltd do?
Gas Man Den Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Gas Man Den Ltd?
Gas Man Den Ltd was incorporated on 9 October 2019, 7 years ago.
What is the penalty if Gas Man Den 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 Gas Man Den 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.