- Companies
- Painters and decorators
- Lymington
- Copperdoor Limited
Copperdoor Limited
- Company number
- 11840331
- Incorporated
- 21 Feb 20197 years trading
- Registered office
- The Woodland Cottage Barnes Lane, Milford on Sea, Lymington, SO41 0RR
- Nature of business
- Painting; Other specialised construction activities n.e.c.; specialised design activities
Copperdoor Limited is a 7-year-old private limited company registered in Lymington, company number 11840331, one of the UK's painting and decorating companies. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets down £4,922 (-13.7%) on the year before, to £31K.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £51K against £40K owed within a year: 1.3 times cover.
- 5 employees on average, up from 4 the year before.
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £31K | £51K | £40K | 5 | |
| 31 Mar 2024 | £36K | £42K | £28K | 4 | |
| 31 Mar 2023 | £34K | £29K | £22K | 2 | |
| 31 Mar 2022 | £13K | £19K | £11K | 0 | |
| 31 Mar 2021 | £3,109 | £5,249 | £3,466 | 0 | |
| 29 Feb 2020 | £2,128 | £5,066 | £3,606 | 0 |
Where Copperdoor Limited is registered
The registered office is in Lymington (SO41), in the New Forest local authority area, South East. Show SO41 0RR on a map.
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What happens if Copperdoor 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 11840331
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 February 2019 (7 years ago)
- Registered office
- The Woodland Cottage Barnes Lane, Milford on Sea, Lymington, SO41 0RR
- Nature of business
- Painting (SIC 43341)
Other specialised construction activities n.e.c. (SIC 43999)
specialised design activities (SIC 74100) - Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 29 November 2025
Filing notes for painting and decorating companies
Decorating companies are usually labour-based micro-entities working for homeowners and contractors, some of it under CIS.
Similar companies in Lymington
Other active painting and decorating companies registered in Lymington.
All painting and decorating companies in Lymington · All trades in Lymington · Painters and decorators across the UK
Frequently asked questions
When are Copperdoor Limited's accounts due?
Copperdoor Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Copperdoor Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Copperdoor Limited still trading?
Copperdoor 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 Copperdoor Limited do?
Copperdoor Limited is registered under Painting (SIC 43341); Other specialised construction activities n.e.c. (SIC 43999); specialised design activities (SIC 74100).
How old is Copperdoor Limited?
Copperdoor Limited was incorporated on 21 February 2019, 7 years ago.
What is the penalty if Copperdoor 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 Copperdoor 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.