- Companies
- Finishing trades
- Dover
- Copper Maintenance Limited
Copper Maintenance Limited
- Company number
- 16001986
- Incorporated
- 7 Oct 20242 years trading
- Registered office
- Studio 23 Tridax Business Park Honeywood Parkway, Whitfield, Dover, CT16 3QX
- Nature of business
- Other building completion and finishing
Copper Maintenance Limited is a 2-year-old private limited company registered in Dover, company number 16001986, one of 29 building finishing companies in Dover. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the 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 Copper Maintenance LimitedOr 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.
Financial snapshot, 2025
From the balance sheet at 31 October 2025, as filed at Companies House.
Where Copper Maintenance Limited is registered
The registered office is in Dover (CT16), in the Dover local authority area, South East. Show CT16 3QX on a map.
Other trade companies in CT16
- Mobile Tyre Fitting Rescue LtdMechanics and garages
- L S Motors Vram LtdMechanics and garages
- DR Alter Fashion & Tailoring LtdRepair services
- K&W Dry Lining Solutions LtdSpecialist contractors
- Four Seasons Spaces LtdProperty developers
- My Window Fitter (Iow) LtdJoiners and carpenters
- S.Norley Holdings LtdBuilders
- Biobuild Systems LtdProperty developers
Also registered at this address
3 other companies use the same registered office as Copper Maintenance Limited.
- Arrested Developments Deal LtdProperty developers
- ST Barts Development LimitedProperty developers
- Tridax Construction LimitedProperty developers
What happens if Copper 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 31 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 16001986
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 October 2024 (2 years ago)
- Registered office
- Studio 23 Tridax Business Park Honeywood Parkway, Whitfield, Dover, CT16 3QX
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 3 October 2025
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Dover
Other active building finishing companies registered in Dover.
- Crown Hill Properties Limited1999
- CT Construction South East Limited2026
- Dave Allen Property Maintenance Ltd2022
- Drop One Services Ltd2002
- Hometask Ltd2026
- I-55 Developments Ltd2015
- Immo Jules Ltd2025
- M Cubed Carpentry and Construction Limited2024
All building finishing companies in Dover · All trades in Dover · Finishing trades across the UK
Frequently asked questions
When are Copper Maintenance Limited's accounts due?
Copper Maintenance Limited's next accounts are due at Companies House by 31 July 2027 (in 292 days), covering the period to 31 October 2026.
When is Copper Maintenance Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Copper Maintenance Limited still trading?
Copper 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 Copper Maintenance Limited do?
Copper Maintenance Limited is registered under Other building completion and finishing (SIC 43390).
How old is Copper Maintenance Limited?
Copper Maintenance Limited was incorporated on 7 October 2024, 2 years ago.
What is the penalty if Copper 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 Copper 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.