- Company number
- 06213929
- Incorporated
- 16 Apr 200719 years trading
- Registered office
- 25 Madeira Road, London, SW16 2DG
- Nature of business
- Construction of domestic buildings
The London Kitchen Extensions Company Limited is a 19-year-old private limited company registered in London, company number 06213929, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £16K (+5.1%) on the year before, to £325K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- 1 employee on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2025 | £325K | £294K | £234K | 1 | |
| 30 Apr 2024 | £309K | £107K | £115K | 1 | |
| 30 Apr 2023 | £295K | £161K | £199K | 2 | |
| 30 Apr 2022 | £283K | £155K | £203K | 1 | |
| 30 Apr 2021 | £270K | £111K | £111K | £128K | 0 |
| 30 Apr 2020 | £214K | £474K | £540K | £126K | 2 |
| 30 Apr 2019 | £158K | £22K | £33K | £86K | |
| 30 Apr 2018 | £127K | £56K | £111K | £113K | 1 |
| 30 Apr 2017 | £87K | £84K | £194K | £117K | |
| 30 Apr 2016 | £125K | £76K | £198K | £83K |
Where The London Kitchen Extensions Company Limited is registered
The registered office is in London (SW16), in the Lambeth local authority area, London. Show SW16 2DG on a map.
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What happens if The London Kitchen Extensions Company 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 06213929
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 April 2007 (19 years ago)
- Registered office
- 25 Madeira Road, London, SW16 2DG
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 23 March 2026
- Charges (mortgages)
- 4 outstanding of 4 registered
- Previous names
- SW London Kitchen Extension Company Ltd (until 13 May 2014)
RC1 Limited (until 8 Apr 2013)
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 London
Other active building contractors registered in London.
- The M + M Partnership (UK) Limited2001
- The Minnie Construction Ltd2024
- The Modern Home Refurbishment Ltd2022
- The Only Lion Construction Ltd2025
- The Palm Builders & Developers Limited2021
- The Pas Interior Ltd2024
- The Payton Group Ltd2025
- The Prestige Building Comoany Ltd2026
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are The London Kitchen Extensions Company Limited's accounts due?
The London Kitchen Extensions Company Limited's next accounts are due at Companies House by 31 January 2027 (in 110 days), covering the period to 30 April 2026.
When is The London Kitchen Extensions Company Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is The London Kitchen Extensions Company Limited still trading?
The London Kitchen Extensions Company 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 The London Kitchen Extensions Company Limited do?
The London Kitchen Extensions Company Limited is registered under Construction of domestic buildings (SIC 41202).
How old is The London Kitchen Extensions Company Limited?
The London Kitchen Extensions Company Limited was incorporated on 16 April 2007, 19 years ago.
What is the penalty if The London Kitchen Extensions Company 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 The London Kitchen Extensions Company 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.