- Companies
- Plumbers and heating engineers
- Watford
- GLC Plumbing Ltd
GLC Plumbing Ltd
- Company number
- 15590754
- Incorporated
- 24 Mar 20242 years trading
- Registered office
- 66 Fairfield Avenue, Watford, WD19 7AR
- Nature of business
- Plumbing, heat and air-conditioning installation
GLC Plumbing Ltd is a 2-year-old private limited company registered in Watford, company number 15590754, one of 124 plumbing and heating companies in Watford. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 31 March 2025, as filed at Companies House.
Where GLC Plumbing Ltd is registered
The registered office is in Watford (WD19), in the Three Rivers local authority area, East of England. Show WD19 7AR 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 GLC Plumbing 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 15590754
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 March 2024 (2 years ago)
- Registered office
- 66 Fairfield Avenue, Watford, WD19 7AR
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 9 March 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 Watford
Other active plumbing and heating companies registered in Watford.
- GN Heating Ltd2017
- Heatsafe Solutions Ltd2020
- Heatx Ltd2018
- Henco Heating Limited2000
- Herts Bathroom Centre Limited1998
- Hickey Heating Services Limited2010
- High Performance Contractors Ltd2024
- Home Comfort Assured Ltd.2013
All plumbing and heating companies in Watford · All trades in Watford · Plumbers and heating engineers across the UK
Frequently asked questions
When are GLC Plumbing Ltd's accounts due?
GLC Plumbing Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is GLC Plumbing Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is GLC Plumbing Ltd still trading?
GLC Plumbing 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 GLC Plumbing Ltd do?
GLC Plumbing Ltd is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is GLC Plumbing Ltd?
GLC Plumbing Ltd was incorporated on 24 March 2024, 2 years ago.
What is the penalty if GLC Plumbing 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 GLC Plumbing 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.