- Companies
- Specialist contractors
- Kavco (Modular Systems) Limited
Kavco (Modular Systems) Limited
- Company number
- 01888871
- Incorporated
- 21 Feb 198541 years trading
- Registered office
- 117 Springbank Road, Hither Green London, SE13 6SS
- Nature of business
- Other specialised construction activities n.e.c.
Kavco (Modular Systems) Limited is a 41-year-old private limited company, company number 01888871, one of the UK's specialist construction companies. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £63K (-30.7%) on the year before, to £142K.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- Current assets of £198K against £59K owed within a year: 3.3 times cover.
- 3 employees on average, up from 2 the year before.
- 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 Sep 2025 | £142K | £198K | £59K | 3 | |
| 30 Sep 2024 | £205K | £284K | £81K | 2 | |
| 30 Sep 2023 | £211K | £296K | £111K | 2 | |
| 30 Sep 2022 | £218K | £296K | £112K | 2 | |
| 30 Sep 2021 | £230K | £225K | £40K | 2 | |
| 30 Sep 2020 | £323K | £343K | £57K | 2 | |
| 30 Sep 2019 | £505K | £156K | £535K | £63K | 2 |
| 30 Sep 2018 | £561K | £193K | £608K | £91K | |
| 30 Sep 2017 | £580K | £291K | £592K | £228K | |
| 30 Sep 2016 | £364K | £241K | £454K | £112K |
Where Kavco (Modular Systems) Limited is registered
The registered office is in the SE13 postcode district, in the Lewisham local authority area, London. Show SE13 6SS on a map.
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What happens if Kavco (Modular Systems) 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 01888871
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 February 1985 (41 years ago)
- Registered office
- 117 Springbank Road, Hither Green London, SE13 6SS
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 8 February 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies
Other active specialist construction companies.
Frequently asked questions
When are Kavco (Modular Systems) Limited's accounts due?
Kavco (Modular Systems) Limited's next accounts are due at Companies House by 30 June 2027 (in 261 days), covering the period to 30 September 2026.
When is Kavco (Modular Systems) Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Kavco (Modular Systems) Limited still trading?
Kavco (Modular Systems) 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 Kavco (Modular Systems) Limited do?
Kavco (Modular Systems) Limited is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is Kavco (Modular Systems) Limited?
Kavco (Modular Systems) Limited was incorporated on 21 February 1985, 41 years ago.
What is the penalty if Kavco (Modular Systems) 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 Kavco (Modular Systems) 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.