KB1 Ltd
- Company number
- 16076310
- Incorporated
- 12 Nov 20241 year trading
- Registered office
- 23A the Precinct, London Road, Waterlooville, Hampshire, PO7 7DT
- Nature of business
- Other construction installation; Other building completion and finishing; Landscape service activities
KB1 Ltd is a 1-year-old private limited company registered in Waterlooville, company number 16076310, 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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Financial snapshot, 2025
From the balance sheet at 30 November 2025, as filed at Companies House.
Where KB1 Ltd is registered
The registered office is in Waterlooville (PO7), in the Havant local authority area, South East. Show PO7 7DT on a map.
Other trade companies in PO7
- Coast to Coast Flooring LtdFloor and wall tilers
- Fortress Roofing Services LtdInstallers
- Redlands Roofing LtdInstallers
- WCP Plumbing & Heating LtdPlumbers and heating engineers
- Sparmor Developments LtdProperty developers
- Titan Home Improvements LtdProperty developers
- Accord Housing LimitedProperty developers
- JM Property & Stoves Services LimitedBuilders
Shared registered office
357 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 KB1 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 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
- 16076310
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 12 November 2024 (1 year ago)
- Registered office
- 23A the Precinct, London Road, Waterlooville, Hampshire, PO7 7DT
- Nature of business
- Other construction installation (SIC 43290)
Other building completion and finishing (SIC 43390)
Landscape service activities (SIC 81300) - Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 11 November 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.
- Kingsgate Roofing Ltd2026
- LCD Interiors Ltd2023
- Lee Phillips Landscapes & Building Ltd2025
- Lloyds Garage Doors Ltd2023
- Lolin Building Services Ltd2026
- M G P Installations Ltd2023
- Mark Redman Carpentry Services Ltd2022
- Marsh Roofing Ltd2025
All installation companies (insulation, lifts, shutters and similar) in Waterlooville · All trades in Waterlooville · Installers across the UK
Frequently asked questions
When are KB1 Ltd's accounts due?
KB1 Ltd's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is KB1 Ltd'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 KB1 Ltd still trading?
KB1 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 KB1 Ltd do?
KB1 Ltd is registered under Other construction installation (SIC 43290); Other building completion and finishing (SIC 43390); Landscape service activities (SIC 81300).
How old is KB1 Ltd?
KB1 Ltd was incorporated on 12 November 2024, 1 year ago.
What is the penalty if KB1 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 KB1 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.