- Companies
- Installers
- Liverpool
- Karlsson Installations Ltd
Karlsson Installations Ltd
- Company number
- 13277337
- Incorporated
- 19 Mar 20215 years trading
- Registered office
- 48-52 Penny Lane, Liverpool, L18 1DG
- Nature of business
- Other construction installation
Karlsson Installations Ltd is a 5-year-old private limited company registered in Liverpool, company number 13277337, one of 251 installation companies (insulation, lifts, shutters and similar) in Liverpool. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 down £6,029 (-96.4%) on the year before, to £225.
- Net assets rose in 2 of 4 year-on-year comparisons on record.
- Current assets of £15K against £15K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2022 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £225 | £15K | £15K | 1 | |
| 31 Mar 2025 | £6,254 | £21K | £14K | 1 | |
| 31 Mar 2024 | £159 | £8,277 | £8,118 | 1 | |
| 31 Mar 2023 | -£10K | £397 | £10K | 1 | |
| 31 Mar 2022 | -£10K | £397 | £10K | 1 |
Where Karlsson Installations Ltd is registered
The registered office is in Liverpool (L18), in the Liverpool local authority area, North West. Show L18 1DG on a map.
Other trade companies in L18
- D T Hughes Power Networks LimitedSpecialist contractors
- West Allerton Decor LimitedPainters and decorators
- Doodles Electrical Services LtdElectricians
- Cortin Woodwork LimitedJoiners and carpenters
- Nordvest Property Services LtdFinishing trades
- Lions Gold LtdRepair services
- Adlib Property LtdProperty developers
- Lisbon Property Group LtdInstallers
Shared registered office
212 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 Karlsson Installations 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 13277337
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 19 March 2021 (5 years ago)
- Registered office
- 48-52 Penny Lane, Liverpool, L18 1DG
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 18 March 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 Liverpool
Other active installation companies (insulation, lifts, shutters and similar) registered in Liverpool.
- Kca Management & Lifting Solutions Ltd2025
- Key Qualities UPVC Window and Door Repairs Ltd2023
- KHH Construction Ltd2024
- Kitchen Door Swap UK Ltd2026
- KS Contractors (NW) Ltd2025
- KSL Brickwork Contractors Ltd2007
- L Perry Building Services Ltd2013
- L Wall Project Management Services Ltd2018
All installation companies (insulation, lifts, shutters and similar) in Liverpool · All trades in Liverpool · Installers across the UK
Frequently asked questions
When are Karlsson Installations Ltd's accounts due?
Karlsson Installations Ltd's next accounts are due at Companies House by 31 December 2026 (in 79 days), covering the period to 31 March 2026.
When is Karlsson Installations Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Karlsson Installations Ltd still trading?
Karlsson Installations 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 Karlsson Installations Ltd do?
Karlsson Installations Ltd is registered under Other construction installation (SIC 43290).
How old is Karlsson Installations Ltd?
Karlsson Installations Ltd was incorporated on 19 March 2021, 5 years ago.
What is the penalty if Karlsson Installations 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 Karlsson Installations 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.