- Companies
- Installers
- Portsmouth
- R Sullivan Carpentry Ltd
R Sullivan Carpentry Ltd
- Company number
- 16521326
- Incorporated
- 16 Jun 20251 year trading
- Registered office
- 302 Laburnum Grove, Portsmouth, PO2 0EX
- Nature of business
- Other construction installation
R Sullivan Carpentry Ltd is a 1-year-old private limited company registered in Portsmouth, company number 16521326, one of 84 installation companies (insulation, lifts, shutters and similar) in Portsmouth. Its next accounts are due at Companies House on 16 March 2027, and its first CT600 is due at HMRC on 15 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 R Sullivan Carpentry Ltd is registered
The registered office is in Portsmouth (PO2), in the Portsmouth local authority area, South East. Show PO2 0EX on a map.
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What happens if R Sullivan Carpentry 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 16 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 17 Mar 2027 to 16 Apr 2027 | £150 |
| 1 to 3 months late | 17 Apr 2027 to 16 Jun 2027 | £375 |
| 3 to 6 months late | 17 Jun 2027 to 16 Sep 2027 | £750 |
| More than 6 months late | From 17 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
- 16521326
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 June 2025 (1 year ago)
- Registered office
- 302 Laburnum Grove, Portsmouth, PO2 0EX
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 15 June 2026
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Portsmouth
Other active installation companies (insulation, lifts, shutters and similar) registered in Portsmouth.
- R.H. Insulation Services Limited1986
- Radh Interiors Ltd2015
- RDL Commercial Limited2015
- Refurbferg Home Improvements Ltd2026
- Roko Welding Ltd2025
- Root Av Ltd2024
- Royale Drives Ltd2020
- RSD Design & Consultancy Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Portsmouth · All trades in Portsmouth · Installers across the UK
Frequently asked questions
When are R Sullivan Carpentry Ltd's accounts due?
R Sullivan Carpentry Ltd's next accounts are due at Companies House by 16 March 2027 (in 154 days), covering the period to 30 June 2026.
When is R Sullivan Carpentry 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 15 June 2026, due by 15 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 R Sullivan Carpentry Ltd still trading?
R Sullivan Carpentry 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 R Sullivan Carpentry Ltd do?
R Sullivan Carpentry Ltd is registered under Other construction installation (SIC 43290).
How old is R Sullivan Carpentry Ltd?
R Sullivan Carpentry Ltd was incorporated on 16 June 2025, 1 year ago.
What is the penalty if R Sullivan Carpentry 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 R Sullivan Carpentry 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.