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- Polyseal Construction Limited
Company profile · Property developers
Polyseal Construction Limited
Polyseal Construction Limited is a 7-year-old private limited company registered in Plymouth, company number 12146330, one of 254 property development companies in Plymouth. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 December 2025, as filed at Companies House. Negative net assets mean the company owed more than it owned at that date.
Polyseal Construction Limited over the years
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 £83K (-196.7%) on the year before, to -£41K.
- Net assets rose in 1 of 5 year-on-year comparisons on record.
- Current assets of £722K against £24K owed within a year: more than 10 times cover.
- 1 employee on average during the year.
- 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 Dec 2025 | -£41K | £722K | £24K | 1 | |
| 31 Dec 2024 | £42K | £618K | £70K | 1 | |
| 31 Dec 2023 | £74K | £439K | £40K | 1 | |
| 31 Dec 2022 | £171K | £453K | £125K | 1 | |
| 31 Aug 2021 | £37K | £5,599 | £34K | 1 | |
| 31 Aug 2020 | £62K | £159K | £58K | 1 |
Where Polyseal Construction Limited is registered
The registered office is in Plymouth (PL1), in the Plymouth local authority area, South West. Show PL1 3AD on a map.
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Also registered at this address
7 other companies use the same registered office as Polyseal Construction Limited.
- Carlton Plastics (SW) LtdFinishing trades
- Chubb Developments LtdProperty developers
- Chubb Electrics LtdElectricians
- Infinite Tiling LtdFloor and wall tilers
- JJ Smith & Co Joinery LtdJoiners and carpenters
- Shore Building Services LtdMachinery repair and installation
- Valle Construction LimitedProperty developers
What happens if Polyseal Construction 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 12146330
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 August 2019 (7 years ago)
- Registered office
- C/O Batterbee Thompson & Co Ltd Ocean Crescent, 25 the Crescent, Plymouth, PL1 3AD
- Nature of business
- Development of building projects (SIC 41100)
Other specialised construction activities n.e.c. (SIC 43999) - Year end
- 31 December (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 4 August 2026
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Plymouth
Other active property development companies registered in Plymouth.
- Price Commercial Services Limited2020
- Printon New Homes Limited2004
- Probuild Southwest Ltd2026
- Project Management Solutions International Ltd2023
- Quoinstone Droskyn Ltd2018
- Quoinstone Lanner Ltd2022
- Quoinstone Meadows Ltd2019
- Quoinstone Treleigh Ltd2016
All property development companies in Plymouth · All trades in Plymouth · Property developers across the UK
Frequently asked questions
When are Polyseal Construction Limited's accounts due?
Polyseal Construction Limited's next accounts are due at Companies House by 30 September 2027 (in 353 days), covering the period to 31 December 2026.
When is Polyseal Construction Limited's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is Polyseal Construction Limited still trading?
Polyseal Construction 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 Polyseal Construction Limited do?
Polyseal Construction Limited is registered under Development of building projects (SIC 41100); Other specialised construction activities n.e.c. (SIC 43999).
How old is Polyseal Construction Limited?
Polyseal Construction Limited was incorporated on 8 August 2019, 7 years ago.
What is the penalty if Polyseal Construction 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 Polyseal Construction 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.