- Companies
- Electricians
- Hemel Hempstead
- Gridline Contractors Ltd
Gridline Contractors Ltd
- Company number
- 17103126
- Incorporated
- 19 Mar 2026
- Registered office
- 28 Long John, Hemel Hempstead, HP3 9LS
- Nature of business
- Electrical installation; Other specialised construction activities n.e.c.
Gridline Contractors Ltd is a newly incorporated private limited company registered in Hemel Hempstead, company number 17103126, one of 127 electrical contractors in Hemel Hempstead. Its next accounts are due at Companies House on 19 December 2027, and its first CT600 is due at HMRC on 18 March 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
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Where Gridline Contractors Ltd is registered
The registered office is in Hemel Hempstead (HP3), in the Dacorum local authority area, East of England. Show HP3 9LS on a map.
Other trade companies in HP3
- G-Force Plumbing & Heating Contractors LimitedPlumbers and heating engineers
- Primeline Property Solutions LtdRoofers
- Elite Roof Repairs LtdRoofers
- Connor Air LimitedPlumbers and heating engineers
- Irv Services LtdInstallers
- Herts Number Plates LtdMotor traders
- RH Design and Electrical LtdBuilders
- Ejc Plumbing LtdPlumbers and heating engineers
What happens if Gridline Contractors 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 19 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Dec 2027 to 19 Jan 2028 | £150 |
| 1 to 3 months late | 20 Jan 2028 to 19 Mar 2028 | £375 |
| 3 to 6 months late | 20 Mar 2028 to 19 Jun 2028 | £750 |
| More than 6 months late | From 20 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 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
- 17103126
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 March 2026
- Registered office
- 28 Long John, Hemel Hempstead, HP3 9LS
- Nature of business
- Electrical installation (SIC 43210)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Hemel Hempstead
Other active electrical contractors registered in Hemel Hempstead.
- Harvey & Sons Fire and Electrical Limited2026
- HDW Electrical Limited2022
- Hobbs Electrical Group Ltd2026
- Imutlu Electrical Limited2024
- Inel Electrical Ltd2024
- Intergrated Security Services Limited2003
- James & Andrew Stoddart Limited1972
- James Strivens Electrical Limited2016
All electrical contractors in Hemel Hempstead · All trades in Hemel Hempstead · Electricians across the UK
Frequently asked questions
When are Gridline Contractors Ltd's accounts due?
Gridline Contractors Ltd's next accounts are due at Companies House by 19 December 2027 (in 433 days), covering the period to 31 March 2027.
When is Gridline Contractors Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 18 March 2027, due by 18 March 2028, and one for the period to 31 March 2027, due by 31 March 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Gridline Contractors Ltd still trading?
Gridline Contractors 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 Gridline Contractors Ltd do?
Gridline Contractors Ltd is registered under Electrical installation (SIC 43210); Other specialised construction activities n.e.c. (SIC 43999).
How old is Gridline Contractors Ltd?
Gridline Contractors Ltd was incorporated on 19 March 2026, less than a year ago.
What is the penalty if Gridline Contractors 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 Gridline Contractors 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.