Company profile · Builders
Kasu Ltd
Kasu Ltd is a 12-year-old private limited company registered in London, company number 09104587, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 March 2028, and the CT600 for the period to 30 June 2027 is due at HMRC on 30 June 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 30 June 2026, as filed at Companies House.
Kasu Ltd over the years
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 £11K (+17.5%) on the year before, to £76K.
- Net assets rose in 8 of 9 year-on-year comparisons on record.
- Current assets of £65K against £115 owed within a year: more than 10 times cover.
- 8 employees on average, down from 9 the year before.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2026 | £76K | £65K | £115 | 8 | |
| 30 Jun 2025 | £65K | £51K | £112 | 9 | |
| 30 Jun 2024 | £66K | £10K | £48K | £105 | 9 |
| 30 Jun 2023 | £61K | £22K | £40K | £538 | 9 |
| 30 Jun 2022 | £58K | £32K | £48K | £6,922 | 7 |
| 30 Jun 2021 | £51K | £31K | £46K | £10K | 9 |
| 30 Jun 2020 | £36K | £13K | £28K | £9,349 | 9 |
| 30 Jun 2019 | £22K | £6,255 | £27K | £11K | |
| 30 Jun 2018 | -£2,144 | £1,547 | £8,289 | £17K | |
| 30 Jun 2017 | -£3,713 | £1,353 | £7,135 | £15K |
Where Kasu Ltd is registered
The registered office is in London (N3), in the Barnet local authority area, London. Show N3 1LB on a map.
Other trade companies in N3
- Key & Keep LtdCleaning companies
- GMS Residential LimitedPlumbers and heating engineers
- Gcap East LtdProperty developers
- Tatras Development LimitedProperty developers
- Chesterfield Corinne LtdProperty developers
- Pure Plumbing Pros LimitedPlumbers and heating engineers
- WS Cleaning Services LtdCleaning companies
- Landfall Projects LimitedProperty developers
What happens if Kasu 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 March 2028.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2028 to 30 Apr 2028 | £150 |
| 1 to 3 months late | 1 May 2028 to 30 Jun 2028 | £375 |
| 3 to 6 months late | 1 Jul 2028 to 30 Sep 2028 | £750 |
| More than 6 months late | From 1 Oct 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2028 | £200 |
| 3 months late | 30 Sep 2028 | another £200 |
| 6 months late | 30 Dec 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 09104587
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 June 2014 (12 years ago)
- Registered office
- 18 Northumberland, 237 Ballards Lane, London, N3 1LB
- Nature of business
- Construction of domestic buildings (SIC 41202)
Painting (SIC 43341) - Year end
- 30 June (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 June 2026
- Last confirmation statement
- 26 June 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 London
Other active building contractors registered in London.
- Kat Drylining & Cladding Ltd2022
- Katchall Construction Limited2002
- Kato Develop Ltd2025
- Kaville Properties Ltd2020
- Kavod Contracting Ltd2025
- Kawa Group UK Ltd2023
- Kayde Ltd2026
- Kayo Rendering & Plastering Ltd2022
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Kasu Ltd's accounts due?
Kasu Ltd's next accounts are due at Companies House by 31 March 2028 (in 536 days), covering the period to 30 June 2027.
When is Kasu Ltd's CT600 due?
The CT600 for the period to 30 June 2027 is due at HMRC by 30 June 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2028.
Is Kasu Ltd still trading?
Kasu 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 Kasu Ltd do?
Kasu Ltd is registered under Construction of domestic buildings (SIC 41202); Painting (SIC 43341).
How old is Kasu Ltd?
Kasu Ltd was incorporated on 26 June 2014, 12 years ago.
What is the penalty if Kasu 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 Kasu Ltd on Companies House for filed documents, officers and the full history.
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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.