- Companies
- Installers
- Hitchin
- Maddox Groundworks Ltd
Maddox Groundworks Ltd
- Company number
- 17108689
- Incorporated
- 23 Mar 2026
- Registered office
- 1 Mount Pleasant, Hitchin, SG5 2BG
- Nature of business
- Other construction installation
Maddox Groundworks Ltd is a newly incorporated private limited company registered in Hitchin, company number 17108689, one of 18 installation companies (insulation, lifts, shutters and similar) in Hitchin. Its next accounts are due at Companies House on 23 December 2027, and its first CT600 is due at HMRC on 22 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.
Is this your company?
File the first accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Maddox Groundworks LtdOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
Where Maddox Groundworks Ltd is registered
The registered office is in Hitchin (SG5), in the North Hertfordshire local authority area, East of England. Show SG5 2BG on a map.
Other trade companies in SG5
- Unlock Your Dreams LtdProperty developers
- The Peugeot and Renault Man LtdMechanics and garages
- Woods Property Solutions LtdBuilders
- PM Contractors LtdBuilders
- S. Harris Builders LimitedFinishing trades
- Stotfold Property Services LtdBuilders
- SGB Modern Access LtdScaffolders
- Top Class Roofing & Renovations LimitedRoofers
What happens if Maddox Groundworks 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 23 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 24 Dec 2027 to 23 Jan 2028 | £150 |
| 1 to 3 months late | 24 Jan 2028 to 23 Mar 2028 | £375 |
| 3 to 6 months late | 24 Mar 2028 to 23 Jun 2028 | £750 |
| More than 6 months late | From 24 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
- 17108689
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 March 2026
- Registered office
- 1 Mount Pleasant, Hitchin, SG5 2BG
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Hitchin
Other active installation companies (insulation, lifts, shutters and similar) registered in Hitchin.
- Mlait Renovation & Maintenance Ltd2025
- Palehouse Building Services Limited2025
- Penmilne Contractors Limited2008
- S & L Construction (Herts) Ltd2015
- Strata Washrooms Limited2026
- Total Home Solutions (Hitchin) Limited2024
- Amato Construction Ltd2021
- Aurum Haven Maintenance Services Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Hitchin · All trades in Hitchin · Installers across the UK
Frequently asked questions
When are Maddox Groundworks Ltd's accounts due?
Maddox Groundworks Ltd's next accounts are due at Companies House by 23 December 2027 (in 436 days), covering the period to 31 March 2027.
When is Maddox Groundworks 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 22 March 2027, due by 22 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 Maddox Groundworks Ltd still trading?
Maddox Groundworks 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 Maddox Groundworks Ltd do?
Maddox Groundworks Ltd is registered under Other construction installation (SIC 43290).
How old is Maddox Groundworks Ltd?
Maddox Groundworks Ltd was incorporated on 23 March 2026, less than a year ago.
What is the penalty if Maddox Groundworks 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 Maddox Groundworks 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.