- Companies
- Specialist contractors
- Luton
- Mega Groundworks Ltd
Mega Groundworks Ltd
- Company number
- 16643965
- Incorporated
- 12 Aug 20251 year trading
- Registered office
- 1 Plantation Road, Luton, LU3 3DJ
- Nature of business
- Other specialised construction activities n.e.c.
Mega Groundworks Ltd is a 1-year-old private limited company registered in Luton, company number 16643965, one of 195 specialist construction companies in Luton. Its next accounts are due at Companies House on 12 May 2027, and its first CT600 is due at HMRC on 11 August 2027.
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 Mega Groundworks Ltd is registered
The registered office is in Luton (LU3), in the Luton local authority area, East of England. Show LU3 3DJ on a map.
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What happens if Mega 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 12 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 13 May 2027 to 12 Jun 2027 | £150 |
| 1 to 3 months late | 13 Jun 2027 to 12 Aug 2027 | £375 |
| 3 to 6 months late | 13 Aug 2027 to 12 Nov 2027 | £750 |
| More than 6 months late | From 13 Nov 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 16643965
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 August 2025 (1 year ago)
- Registered office
- 1 Plantation Road, Luton, LU3 3DJ
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 August (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 11 August 2026
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 Luton
Other active specialist construction companies registered in Luton.
- Membranetec Ltd2025
- Memenova Limited2014
- MFG Contractors Ltd2016
- Michal Majcher Ltd2018
- Middleton MK Limited2008
- Milestone Driveways & Patios Ltd2026
- MJK Exhibition Services Limited2013
- MLPV Construction Ltd2023
All specialist construction companies in Luton · All trades in Luton · Specialist contractors across the UK
Frequently asked questions
When are Mega Groundworks Ltd's accounts due?
Mega Groundworks Ltd's next accounts are due at Companies House by 12 May 2027 (in 211 days), covering the period to 31 August 2026.
When is Mega 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 11 August 2026, due by 11 August 2027, and one for the period to 31 August 2026, due by 31 August 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Mega Groundworks Ltd still trading?
Mega 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 Mega Groundworks Ltd do?
Mega Groundworks Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Mega Groundworks Ltd?
Mega Groundworks Ltd was incorporated on 12 August 2025, 1 year ago.
What is the penalty if Mega 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 Mega 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.