- Companies
- Installers
- Darlington
- Key 4 Services Limited
Key 4 Services Limited
- Company number
- 15562406
- Incorporated
- 14 Mar 20242 years trading
- Registered office
- 2 Central Park, Darlington, DL1 1GL
- Nature of business
- Other construction installation
Key 4 Services Limited is a 2-year-old private limited company registered in Darlington, company number 15562406, one of 41 installation companies (insulation, lifts, shutters and similar) in Darlington. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £58K (+86.6%) on the year before, to -£8,969.
- Current assets of £201K against £293K owed within a year: 0.7 times cover.
- 4 employees on average, up from -5 the year before.
- Balance sheets on record for 2 years, 2025 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | -£8,969 | £201K | £293K | 4 | |
| 31 Mar 2025 | -£67K | £83K | £228K | -5 |
Where Key 4 Services Limited is registered
The registered office is in Darlington (DL1), in the Darlington local authority area, North East. Show DL1 1GL on a map.
Other trade companies in DL1
- Darlo Car Wash LtdMechanics and garages
- Home by Aym LtdProperty developers
- Simply Gleaming LtdCleaning companies
- Sinead the Cleaning Lady LtdCleaning companies
- BB Optichrome LimitedCleaning companies
- JB Car & Commercials LtdMotor traders
- Egtc LtdLandscapers and gardeners
- LSS Contractors Ne LtdCivil engineering
What happens if Key 4 Services 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 15562406
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 March 2024 (2 years ago)
- Registered office
- 2 Central Park, Darlington, DL1 1GL
- 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 2026
- Last confirmation statement
- 13 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 Darlington
Other active installation companies (insulation, lifts, shutters and similar) registered in Darlington.
- L&C Construction Limited2021
- LC13 Groundworks Ltd2022
- Lineside Fencing Ne Ltd2021
- Marple's Property Limited2025
- ML Driveways-Patios & Groundworks Ltd2023
- MWB Services Ltd2022
- Opdoc Limited2016
- Paul Townend Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Darlington · All trades in Darlington · Installers across the UK
Frequently asked questions
When are Key 4 Services Limited's accounts due?
Key 4 Services Limited's next accounts are due at Companies House by 31 December 2027 (in 445 days), covering the period to 31 March 2027.
When is Key 4 Services Limited's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Key 4 Services Limited still trading?
Key 4 Services 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 Key 4 Services Limited do?
Key 4 Services Limited is registered under Other construction installation (SIC 43290).
How old is Key 4 Services Limited?
Key 4 Services Limited was incorporated on 14 March 2024, 2 years ago.
What is the penalty if Key 4 Services 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 Key 4 Services 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.