- Companies
- Builders
- Portsmouth
- Oaksawn Developments Ltd
Oaksawn Developments Ltd
- Company number
- 16730614
- Incorporated
- 19 Sep 20251 year trading
- Registered office
- 350-352 London Road, Portsmouth, PO2 9JY
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings
Oaksawn Developments Ltd is a 1-year-old private limited company registered in Portsmouth, company number 16730614, one of 175 building contractors in Portsmouth. Its next accounts are due at Companies House on 19 June 2027, and its first CT600 is due at HMRC on 18 September 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 Oaksawn Developments Ltd is registered
The registered office is in Portsmouth (PO2), in the Portsmouth local authority area, South East. Show PO2 9JY on a map.
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Shared registered office
54 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Oaksawn Developments 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 19 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 20 Jun 2027 to 19 Jul 2027 | £150 |
| 1 to 3 months late | 20 Jul 2027 to 19 Sep 2027 | £375 |
| 3 to 6 months late | 20 Sep 2027 to 19 Dec 2027 | £750 |
| More than 6 months late | From 20 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 16730614
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 September 2025 (1 year ago)
- Registered office
- 350-352 London Road, Portsmouth, PO2 9JY
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 September (accounting reference date)
- Accounts type
- No accounts filed yet
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Portsmouth
Other active building contractors registered in Portsmouth.
- Octo Mechanical Engineering Ltd2025
- Penguin Developments UK Limited2022
- Penny Building Ltd2014
- Perun Mokosh Ltd2026
- Portchester Roofing and Maintenance Ltd2026
- Prestige Property Care Ltd2022
- Principle Construction Limited2019
- PS Roofing & Property Solutions Ltd2014
All building contractors in Portsmouth · All trades in Portsmouth · Builders across the UK
Frequently asked questions
When are Oaksawn Developments Ltd's accounts due?
Oaksawn Developments Ltd's next accounts are due at Companies House by 19 June 2027 (in 250 days), covering the period to 30 September 2026.
When is Oaksawn Developments 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 18 September 2026, due by 18 September 2027, and one for the period to 30 September 2026, due by 30 September 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Oaksawn Developments Ltd still trading?
Oaksawn Developments Ltd is listed as active on the Companies House register (checked 12 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 Oaksawn Developments Ltd do?
Oaksawn Developments Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Oaksawn Developments Ltd?
Oaksawn Developments Ltd was incorporated on 19 September 2025, 1 year ago.
What is the penalty if Oaksawn Developments 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 Oaksawn Developments Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.