- Companies
- Installers
- Waterlooville
- Slark Construction Limited
Slark Construction Limited
- Company number
- 15315395
- Incorporated
- 28 Nov 20232 years trading
- Registered office
- 12 James Copse Road, Waterlooville, PO8 9RG
- Nature of business
- Other construction installation
Slark Construction Limited is a 2-year-old private limited company registered in Waterlooville, company number 15315395, one of 106 installation companies (insulation, lifts, shutters and similar) in Waterlooville. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 up £46K on the year before, to £47K.
- Current assets of £72K against £32K owed within a year: 2.3 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 2 years, 2024 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £47K | £72K | £32K | 2 | |
| 30 Nov 2024 | £1,389 | £10K | £12K | 2 |
Where Slark Construction Limited is registered
The registered office is in Waterlooville (PO8), in the East Hampshire local authority area, South East. Show PO8 9RG on a map.
Other trade companies in PO8
- South Coast Marine LtdMachinery repair and installation
- Le Petit Electrical LtdElectricians
- Pure Construction (South) LimitedBuilders
- Carecomply Solutions LtdFacilities management
- Southcoast Development Group LtdProperty developers
- Hughes Garden Maintenance LtdCleaning companies
- Partridge Painting & Decorating LtdPainters and decorators
- Candour Maintenance Management LtdFinishing trades
What happens if Slark 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 15315395
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 November 2023 (2 years ago)
- Registered office
- 12 James Copse Road, Waterlooville, PO8 9RG
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 29 October 2025
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 Waterlooville
Other active installation companies (insulation, lifts, shutters and similar) registered in Waterlooville.
- Solvix Maintenance Solutions Limited2025
- South Hants Building & Maintenance Ltd2009
- Spinnaker Site Services Ltd2020
- Steve Davis Developments Limited2002
- T K B Property Services Ltd2022
- The Beam Team Services Limited2017
- The Single Storey Company Limited2025
- TJC Construction Limited2020
All installation companies (insulation, lifts, shutters and similar) in Waterlooville · All trades in Waterlooville · Installers across the UK
Frequently asked questions
When are Slark Construction Limited's accounts due?
Slark Construction Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Slark Construction Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Slark Construction Limited still trading?
Slark 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 Slark Construction Limited do?
Slark Construction Limited is registered under Other construction installation (SIC 43290).
How old is Slark Construction Limited?
Slark Construction Limited was incorporated on 28 November 2023, 2 years ago.
What is the penalty if Slark 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 Slark 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.