- Companies
- Finishing trades
- Portsmouth
- Copnor Loft Conversions Ltd
Copnor Loft Conversions Ltd
- Company number
- 08459170
- Incorporated
- 25 Mar 201313 years trading
- Registered office
- C/O Taxassist Accountants 198 London Road, North End, Portsmouth, Hampshire, PO2 9JE
- Nature of business
- Other building completion and finishing
Copnor Loft Conversions Ltd is a 13-year-old private limited company registered in Portsmouth, company number 08459170, one of 137 building finishing companies in Portsmouth. 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 £5,821 (-27.2%) on the year before, to £16K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £48K against £9,976 owed within a year: 4.8 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £16K | £48K | £9,976 | 2 | |
| 31 Mar 2024 | £21K | £53K | £10K | 2 | |
| 31 Mar 2023 | £15K | £43K | £9,839 | 2 | |
| 31 Mar 2022 | £9,691 | £33K | £9,997 | 2 | |
| 31 Mar 2021 | £2,385 | £19K | £8,786 | 2 | |
| 31 Mar 2020 | £871 | £14K | £9,821 | 2 | |
| 31 Mar 2019 | £0 | -£8,815 | £10K | ||
| 31 Mar 2018 | £1,825 | £7,833 | £9,709 | ||
| 31 Mar 2017 | £6,849 | £6,245 | £8,922 | ||
| 31 Mar 2016 | £17K | £12K | £13K | £18K |
Where Copnor Loft Conversions Ltd is registered
The registered office is in Portsmouth (PO2), in the Portsmouth local authority area, South East. Show PO2 9JE on a map.
Other trade companies in PO2
- South Coast Garden Rooms LtdBuilders
- Novira Automotive LtdMotor traders
- Tony Parrack Fire Protection LtdSpecialist contractors
- Bmgcarpentry LtdJoiners and carpenters
- LLPG Carpentry LtdBuilders
- Xyz Developments LtdProperty developers
- Eco Amend Maintenance Service LtdFinishing trades
- Manila Haulage LtdMechanics and garages
What happens if Copnor Loft Conversions 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 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
- 08459170
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 March 2013 (13 years ago)
- Registered office
- C/O Taxassist Accountants 198 London Road, North End, Portsmouth, Hampshire, PO2 9JE
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 25 March 2026
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 Portsmouth
Other active building finishing companies registered in Portsmouth.
- County Carpentry and Home Improvements Ltd2021
- Cummins Construction Southern Ltd2012
- Danson Developments Ltd2016
- DCW Contract Services Ltd2026
- Dickson Developments Limited2008
- DMBR Maintenance Ltd2020
- Eco Amend Maintenance Service Ltd2026
- Evolution5 Holdings Limited2022
All building finishing companies in Portsmouth · All trades in Portsmouth · Finishing trades across the UK
Frequently asked questions
When are Copnor Loft Conversions Ltd's accounts due?
Copnor Loft Conversions Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Copnor Loft Conversions Ltd'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 Copnor Loft Conversions Ltd still trading?
Copnor Loft Conversions 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 Copnor Loft Conversions Ltd do?
Copnor Loft Conversions Ltd is registered under Other building completion and finishing (SIC 43390).
How old is Copnor Loft Conversions Ltd?
Copnor Loft Conversions Ltd was incorporated on 25 March 2013, 13 years ago.
What is the penalty if Copnor Loft Conversions 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 Copnor Loft Conversions 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.