- Company number
- 11753893
- Incorporated
- 7 Jan 20197 years trading
- Registered office
- 356 Ley Street, Ilford, IG1 4AF
- Nature of business
- Construction of domestic buildings
KB Builders London Limited is a 7-year-old private limited company registered in Ilford, company number 11753893, one of 1,138 building contractors in Ilford. Its next accounts are due at Companies House on 30 November 2026, and the CT600 for the period to 28 February 2026 is due at HMRC on 28 February 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 £3,599 (-41.6%) on the year before, to £5,044.
- Net assets rose in 2 of 5 year-on-year comparisons on record.
- Current assets of £9,245 against £19K owed within a year: 0.5 times cover.
- 3 employees 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 |
|---|---|---|---|---|---|
| 28 Feb 2025 | £5,044 | £9,245 | £19K | 3 | |
| 28 Feb 2024 | £8,643 | £28K | £30K | 3 | |
| 28 Feb 2023 | £21K | £13K | £39K | £14K | 2 |
| 28 Feb 2022 | £2,658 | £14K | £39K | £17K | 3 |
| 28 Feb 2021 | -£7,935 | £12K | £28K | £17K | 3 |
| 31 Jan 2020 | £3,860 | £3,128 | £2,468 | 2 |
Where KB Builders London Limited is registered
The registered office is in Ilford (IG1), in the Redbridge local authority area, London. Show IG1 4AF on a map.
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What happens if KB Builders London 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 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 11753893
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 7 January 2019 (7 years ago)
- Registered office
- 356 Ley Street, Ilford, IG1 4AF
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 28 February 2025
- Last confirmation statement
- 6 January 2026
Filing notes for building contractors
Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.
Similar companies in Ilford
Other active building contractors registered in Ilford.
- Kendans Construction Limited2026
- Kent Concrete Services Ltd2023
- Kevin&Dolan Construction Ltd2020
- Keystyle Estates Ltd2014
- Khans Fitting Ltd2022
- Khush Construction Ltd2024
- KJM Construction Ltd2026
- KKD3 Limited2014
All building contractors in Ilford · All trades in Ilford · Builders across the UK
Frequently asked questions
When are KB Builders London Limited's accounts due?
KB Builders London Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is KB Builders London Limited's CT600 due?
The CT600 for the period to 28 February 2026 is due at HMRC by 28 February 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2026.
Is KB Builders London Limited still trading?
KB Builders London 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 KB Builders London Limited do?
KB Builders London Limited is registered under Construction of domestic buildings (SIC 41202).
How old is KB Builders London Limited?
KB Builders London Limited was incorporated on 7 January 2019, 7 years ago.
What is the penalty if KB Builders London 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 KB Builders London 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.