- Companies
- Electricians
- Luton
- The Big Dig Ltd
The Big Dig Ltd
- Company number
- 17106107
- Incorporated
- 20 Mar 2026
- Registered office
- 2 Flint Court, Farley Hill, Luton, LU1 5HH
- Nature of business
- Electrical installation; Painting; Roofing activities; Buying and selling of own real estate
The Big Dig Ltd is a newly incorporated private limited company registered in Luton, company number 17106107, one of 185 electrical contractors in Luton. Its next accounts are due at Companies House on 20 December 2027, and its first CT600 is due at HMRC on 19 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?
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Where The Big Dig Ltd is registered
The registered office is in Luton (LU1), in the Luton local authority area, East of England. Show LU1 5HH on a map.
Other trade companies in LU1
- Metalia Plastering LtdPlasterers
- Luton Bodyworks LtdMechanics and garages
- Speedyone LtdGroundworks and demolition
- Varion Construction LtdProperty developers
- Bromhams LtdMotor traders
- Vertex Home Improvements LtdRoofers
- Skillede LtdElectricians
- Avram Cleaning LtdCleaning companies
What happens if The Big Dig 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 20 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Dec 2027 to 20 Jan 2028 | £150 |
| 1 to 3 months late | 21 Jan 2028 to 20 Mar 2028 | £375 |
| 3 to 6 months late | 21 Mar 2028 to 20 Jun 2028 | £750 |
| More than 6 months late | From 21 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
- 17106107
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 March 2026
- Registered office
- 2 Flint Court, Farley Hill, Luton, LU1 5HH
- Nature of business
- Electrical installation (SIC 43210)
Painting (SIC 43341)
Roofing activities (SIC 43910)
Buying and selling of own real estate (SIC 68100) - 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 Luton
Other active electrical contractors registered in Luton.
- Tony Electrical Limited2025
- Trust Electrical Installation Ltd2020
- Voltech Electrical Services Ltd2022
- Voltfix Electrical Services Ltd2020
- Voltheat Ltd2026
- Voltis Electrical Ltd2025
- Volts and Watts and Mechanical Ltd2018
- VS Electrical Limited2008
All electrical contractors in Luton · All trades in Luton · Electricians across the UK
Frequently asked questions
When are The Big Dig Ltd's accounts due?
The Big Dig Ltd's next accounts are due at Companies House by 20 December 2027 (in 433 days), covering the period to 31 March 2027.
When is The Big Dig 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 19 March 2027, due by 19 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 The Big Dig Ltd still trading?
The Big Dig 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 The Big Dig Ltd do?
The Big Dig Ltd is registered under Electrical installation (SIC 43210); Painting (SIC 43341); Roofing activities (SIC 43910); Buying and selling of own real estate (SIC 68100).
How old is The Big Dig Ltd?
The Big Dig Ltd was incorporated on 20 March 2026, less than a year ago.
What is the penalty if The Big Dig 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 The Big Dig 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.