- Companies
- Finishing trades
- Kingston upon Thames
- Boszke Construction Limited
Boszke Construction Limited
- Company number
- 06339484
- Incorporated
- 10 Aug 200719 years trading
- Registered office
- Flat 8 Kingsnympton Park, Surrey, Kingston upon Thames, KT2 7RZ
- Nature of business
- Other building completion and finishing
Boszke Construction Limited is a 19-year-old private limited company registered in Kingston upon Thames, company number 06339484, one of 40 building finishing companies in Kingston upon Thames. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 £269 (-49.5%) on the year before, to -£812.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £11K against £973 owed within a year: more than 10 times cover.
- 2 employees 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 |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£812 | £1,272 | £11K | £973 | 2 |
| 31 Mar 2024 | -£543 | £1,173 | £11K | £2,283 | 2 |
| 31 Mar 2023 | £366 | £1,153 | £16K | £1,632 | 2 |
| 31 Mar 2022 | £161 | £2,807 | £18K | £301 | 2 |
| 31 Mar 2021 | £5,878 | £11K | £27K | £717 | 0 |
| 31 Mar 2020 | £5,909 | £7,849 | £1,940 | 0 | |
| 31 Mar 2019 | £1,033 | £7,122 | £7,122 | £6,089 | 0 |
| 31 Mar 2018 | £754 | £2,361 | £2,404 | £1,650 | 0 |
| 31 Mar 2017 | £121 | £2,561 | £5,100 | £4,979 | 0 |
| 31 Mar 2016 | £9,247 | £2,286 | £26K | £16K |
Where Boszke Construction Limited is registered
The registered office is in Kingston upon Thames (KT2), in the Kingston upon Thames local authority area, London. Show KT2 7RZ on a map.
Other trade companies in KT2
- Max Fix Plumbing LtdPlumbers and heating engineers
- Prime Auto Tyres LtdMotor traders
- Handback LtdCleaning companies
- Coreworks Group LtdJoiners and carpenters
- Triwood LtdMotor traders
- Patience-Rhodes Holdings LtdInstallers
- Kingston Motor Parts LtdMotor traders
- The Property Professor LtdFinishing trades
What happens if Boszke Construction 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 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 06339484
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 10 August 2007 (19 years ago)
- Registered office
- Flat 8 Kingsnympton Park, Surrey, Kingston upon Thames, KT2 7RZ
- Nature of business
- Other building completion and finishing (SIC 43390)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 10 August 2026
Filing notes for building finishing companies
Finishing trade companies cover a wide range of work. Most are micro-entities with simple accounts and a straightforward CT600.
Similar companies in Kingston upon Thames
Other active building finishing companies registered in Kingston upon Thames.
- Brighton Soundproofing Limited2015
- C D Installations (UK) Limited2010
- CK Construction (London) Ltd2017
- G7 Projects Plus Ltd2023
- Handymanbud Ltd2015
- Iis 2019 Ltd2019
- J.C. Handyside Limited1962
- James Wright Building Limited2021
All building finishing companies in Kingston upon Thames · All trades in Kingston upon Thames · Finishing trades across the UK
Frequently asked questions
When are Boszke Construction Limited's accounts due?
Boszke Construction Limited's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Boszke Construction Limited's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Boszke Construction Limited still trading?
Boszke Construction 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 Boszke Construction Limited do?
Boszke Construction Limited is registered under Other building completion and finishing (SIC 43390).
How old is Boszke Construction Limited?
Boszke Construction Limited was incorporated on 10 August 2007, 19 years ago.
What is the penalty if Boszke Construction 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 Boszke Construction 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.