K&S Damp Proofing Ltd
- Company number
- 15474833
- Incorporated
- 9 Feb 20242 years trading
- Registered office
- 100 Essex Road, Islington, London, N1 8LU
- Nature of business
- Construction of domestic buildings
K&S Damp Proofing Ltd is a 2-year-old private limited company registered in Islington, company number 15474833, one of the UK's building contractors. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 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 down £15K (-14.8%) on the year before, to £88K.
- Current assets of £85K against £5,428 owed within a year: more than 10 times cover.
- 6 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 |
|---|---|---|---|---|---|
| 28 Feb 2026 | £88K | £69K | £85K | £5,428 | 6 |
| 28 Feb 2025 | £104K | £81K | £93K | £5,707 | 5 |
Where K&S Damp Proofing Ltd is registered
The registered office is in Islington (N1), in the Islington local authority area, London. Show N1 8LU on a map.
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- Evolution Products LimitedMotor traders
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- Kenneth Brady LtdElectricians
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What happens if K&S Damp Proofing 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 30 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 15474833
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 9 February 2024 (2 years ago)
- Registered office
- 100 Essex Road, Islington, London, N1 8LU
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 29 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 8 February 2026
- Previous names
- K&S Dump Proofing Ltd (until 18 Mar 2024)
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
Other active building contractors.
Frequently asked questions
When are K&S Damp Proofing Ltd's accounts due?
K&S Damp Proofing Ltd's next accounts are due at Companies House by 30 November 2027 (in 413 days), covering the period to 28 February 2027.
When is K&S Damp Proofing Ltd's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is K&S Damp Proofing Ltd still trading?
K&S Damp Proofing 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 K&S Damp Proofing Ltd do?
K&S Damp Proofing Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is K&S Damp Proofing Ltd?
K&S Damp Proofing Ltd was incorporated on 9 February 2024, 2 years ago.
What is the penalty if K&S Damp Proofing 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 K&S Damp Proofing 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.