- Companies
- Electricians
- Liverpool
- Dennett Maintenance Limited
Dennett Maintenance Limited
- Company number
- 16509823
- Incorporated
- 10 Jun 20251 year trading
- Registered office
- 171 Muirhead Avenue, Liverpool, L13 0AX
- Nature of business
- Electrical installation
Dennett Maintenance Limited is a 1-year-old private limited company registered in Liverpool, company number 16509823, one of 489 electrical contractors in Liverpool. Its next accounts are due at Companies House on 10 March 2027, and its first CT600 is due at HMRC on 9 June 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 Dennett Maintenance Limited is registered
The registered office is in Liverpool (L13), in the Liverpool local authority area, North West. Show L13 0AX on a map.
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What happens if Dennett Maintenance Limited 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 10 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 11 Mar 2027 to 10 Apr 2027 | £150 |
| 1 to 3 months late | 11 Apr 2027 to 10 Jun 2027 | £375 |
| 3 to 6 months late | 11 Jun 2027 to 10 Sep 2027 | £750 |
| More than 6 months late | From 11 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16509823
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 June 2025 (1 year ago)
- Registered office
- 171 Muirhead Avenue, Liverpool, L13 0AX
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 9 June 2026
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 Liverpool
Other active electrical contractors registered in Liverpool.
- DGG Mech Ltd2024
- DH Electrical Testing & Installation Services Ltd2026
- DJS Comms Ltd2025
- Domestic Commercial Security Ltd2024
- Doodles Electrical Services Ltd2026
- Dorward Intelligent Buildings Limited2014
- Draper Electrics Ltd2026
- DSW Electrical Ltd2011
All electrical contractors in Liverpool · All trades in Liverpool · Electricians across the UK
Frequently asked questions
When are Dennett Maintenance Limited's accounts due?
Dennett Maintenance Limited's next accounts are due at Companies House by 10 March 2027 (in 149 days), covering the period to 30 June 2026.
When is Dennett Maintenance Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 9 June 2026, due by 9 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Dennett Maintenance Limited still trading?
Dennett Maintenance Limited 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 Dennett Maintenance Limited do?
Dennett Maintenance Limited is registered under Electrical installation (SIC 43210).
How old is Dennett Maintenance Limited?
Dennett Maintenance Limited was incorporated on 10 June 2025, 1 year ago.
What is the penalty if Dennett Maintenance Limited 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 Dennett Maintenance Limited 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.