- Company number
- 09468817
- Incorporated
- 3 Mar 201511 years trading
- Registered office
- Office 8, Midland House Business Centre, Princess Street Ope, Plymouth, PL1 2EJ
- Nature of business
- Construction of domestic buildings
Plympton House Ltd is a 11-year-old private limited company registered in Plymouth, company number 09468817, one of 182 building contractors in Plymouth. Companies House shows its accounts as overdue: they were due on 29 December 2025.
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 £150K (-18.9%) on the year before, to -£941K.
- Net assets rose in 3 of 8 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 9 years, 2015 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2023 | -£941K | £126K | 0 | ||
| 31 Dec 2022 | -£791K | £126K | 0 | ||
| 31 Dec 2021 | -£568K | £103K | 0 | ||
| 31 Dec 2020 | -£223K | £68K | 0 | ||
| 31 Dec 2019 | £245K | £38K | 0 | ||
| 31 Dec 2018 | £724K | £57K | £3.3M | ||
| 31 Dec 2017 | £708K | £40K | £2.6M | ||
| 31 Dec 2016 | £693K | £25K | £1.7M | ||
| 31 Dec 2015 | £250K | £0 | £48K | £48K |
Where Plympton House Ltd is registered
The registered office is in Plymouth (PL1), in the Plymouth local authority area, South West. Show PL1 2EJ on a map.
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Also registered at this address
4 other companies use the same registered office as Plympton House Ltd.
- Armada Way House LtdProperty developers
- Dartmouth Grove LtdProperty developers
- WBF Lodge Development LtdProperty developers
- WBF Moat Lodges LtdProperty developers
What happens if Plympton House Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 30 Dec 2025 to 29 Jan 2026 | £150 |
| 1 to 3 months late | 30 Jan 2026 to 29 Mar 2026 | £375 |
| 3 to 6 months late | 30 Mar 2026 to 29 Jun 2026 | £750 |
| More than 6 months late | From 30 Jun 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 30 Mar 2026 | £200 |
| 3 months late | 29 Jun 2026 | another £200 |
| 6 months late | 29 Sep 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 29 Mar 2027 | 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
- 09468817
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 3 March 2015 (11 years ago)
- Registered office
- Office 8, Midland House Business Centre, Princess Street Ope, Plymouth, PL1 2EJ
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2023
- Last confirmation statement
- 13 April 2026
- Charges (mortgages)
- 8 outstanding of 8 registered
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 Plymouth
Other active building contractors registered in Plymouth.
- Positive Feedback Ltd2010
- Pro Build Industrial Structures Ltd2024
- Pro Lining Ltd2017
- Proline Driveways Ltd Ltd2025
- Q-Resin Cosmetic Repairs Ltd2018
- Quantum Group SW Ltd2025
- R F Buildings and Construction Limited2013
- R J Property Developments SW Ltd2021
All building contractors in Plymouth · All trades in Plymouth · Builders across the UK
Frequently asked questions
When are Plympton House Ltd's accounts due?
Plympton House Ltd's accounts were due at Companies House on 29 December 2025 and the register shows them as overdue.
When is Plympton House 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 31 December 2024, due by 31 December 2025, and one for the period to 29 March 2025, due by 29 March 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Plympton House Ltd still trading?
Plympton House Ltd is listed as active on the Companies House register (checked 13 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 Plympton House Ltd do?
Plympton House Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Plympton House Ltd?
Plympton House Ltd was incorporated on 3 March 2015, 11 years ago.
What is the penalty if Plympton House 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 Plympton House Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.