- Company number
- 05632347
- Incorporated
- 22 Nov 200520 years trading
- Registered office
- 151 Bowes Road, London, N13 4SE
- Nature of business
- Construction of domestic buildings
Hi-Tech Security & Construction UK Limited is a 20-year-old private limited company registered in London, company number 05632347, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 July 2027, and the CT600 for the period to 31 October 2026 is due at HMRC on 31 October 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Hi-Tech Security & Construction UK LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £250 (-2.9%) on the year before, to -£8,908.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- 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 Oct 2025 | -£8,908 | £1,784 | 0 | ||
| 31 Oct 2024 | -£8,658 | £0 | £1,534 | 0 | |
| 31 Oct 2023 | -£6,666 | £15K | £4,836 | 1 | |
| 31 Oct 2022 | -£6,636 | £15K | £4,807 | 1 | |
| 31 Oct 2021 | -£1,411 | £16K | £422 | 1 | |
| 31 Oct 2020 | £3,716 | £24K | £24K | £0 | 1 |
| 31 Oct 2019 | £14K | £12K | £35K | £22K | 1 |
| 31 Oct 2018 | £11K | £11K | £330 | 1 | |
| 31 Oct 2017 | £12K | £14K | £1,959 | 1 | |
| 31 Oct 2016 | £15K | £17K | £17K | £1,431 |
Where Hi-Tech Security & Construction UK Limited is registered
The registered office is in London (N13), in the Enfield local authority area, London. Show N13 4SE on a map.
Other trade companies in N13
- GKK Contractors LtdBuilders
- Baran MOT LimitedMechanics and garages
- Vick & Victor - Painting & Decorating LtdPainters and decorators
- Meti Flow Solutions LtdBuilders
- XP Plastering & Rendering LtdBuilders
- MD Crafted LtdSpecialist contractors
- Skilled Trades UK LtdPainters and decorators
- Danni Plumbing LtdPlumbers and heating engineers
What happens if Hi-Tech Security & Construction UK 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 July 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Aug 2027 to 31 Aug 2027 | £150 |
| 1 to 3 months late | 1 Sep 2027 to 31 Oct 2027 | £375 |
| 3 to 6 months late | 1 Nov 2027 to 31 Jan 2028 | £750 |
| More than 6 months late | From 1 Feb 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Nov 2027 | £200 |
| 3 months late | 31 Jan 2028 | another £200 |
| 6 months late | 30 Apr 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Oct 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
- 05632347
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 22 November 2005 (20 years ago)
- Registered office
- 151 Bowes Road, London, N13 4SE
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 October 2025
- Last confirmation statement
- 22 November 2025
- Previous names
- Hi-Tech Security Doors UK Limited (until 27 Nov 2008)
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.
- Hi-Tech.GPMS Ltd2025
- Hibernian Developments 164 WBR Limited2019
- Hiddenapartmentsuk Ltd2026
- High Construct Limited2025
- High End Estates Ltd2018
- High End Expert Ltd2025
- High T Holdings UK Limited2024
- High Tech Construction Ltd2018
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are Hi-Tech Security & Construction UK Limited's accounts due?
Hi-Tech Security & Construction UK Limited's next accounts are due at Companies House by 31 July 2027 (in 291 days), covering the period to 31 October 2026.
When is Hi-Tech Security & Construction UK Limited's CT600 due?
The CT600 for the period to 31 October 2026 is due at HMRC by 31 October 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 August 2027.
Is Hi-Tech Security & Construction UK Limited still trading?
Hi-Tech Security & Construction UK 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 Hi-Tech Security & Construction UK Limited do?
Hi-Tech Security & Construction UK Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Hi-Tech Security & Construction UK Limited?
Hi-Tech Security & Construction UK Limited was incorporated on 22 November 2005, 20 years ago.
What is the penalty if Hi-Tech Security & Construction UK 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 Hi-Tech Security & Construction UK 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.