- Company number
- 11136340
- Incorporated
- 8 Jan 20188 years trading
- Registered office
- 32 Linacre Road, London, NW2 5BB
- Nature of business
- Construction of domestic buildings
High Tech Construction Ltd is a 8-year-old private limited company registered in London, company number 11136340, one of 12,075 building contractors in London. Its next accounts are due at Companies House on 31 October 2026, and the CT600 for the period to 31 January 2026 is due at HMRC on 31 January 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 £93K (-44.6%) on the year before, to £115K.
- Net assets rose in 4 of 6 year-on-year comparisons on record.
- Current assets of £620K against £523K owed within a year: 1.2 times cover.
- 14 employees on average during the year.
- Balance sheets on record for 7 years, 2019 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Jan 2025 | £115K | £620K | £523K | 14 | |
| 31 Jan 2024 | £208K | £779K | £585K | 14 | |
| 31 Jan 2023 | £142K | £507K | £381K | 21 | |
| 31 Jan 2022 | £239K | £317K | £450K | £222K | 16 |
| 31 Jan 2021 | £224K | £471K | £269K | 10 | |
| 31 Jan 2020 | £201K | £451K | £278K | 10 | |
| 31 Jan 2019 | £69K | £143K | £88K |
Where High Tech Construction Ltd is registered
The registered office is in London (NW2), in the Brent local authority area, London. Show NW2 5BB on a map.
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What happens if High Tech Construction 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 October 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11136340
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 8 January 2018 (8 years ago)
- Registered office
- 32 Linacre Road, London, NW2 5BB
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2025
- Last confirmation statement
- 24 September 2025
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.
- High-View Roofing & Construction Ltd2023
- Highend Group Ltd2019
- Higher Heights Building Concepts Ltd2023
- Highgain Limited2016
- Highgate Building Company Ltd2013
- Highgate Design (UK) Limited2021
- Highgate Luxury Properties Limited2015
- Highgrove Portfolio Investments Ltd2019
All building contractors in London · All trades in London · Builders across the UK
Frequently asked questions
When are High Tech Construction Ltd's accounts due?
High Tech Construction Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is High Tech Construction Ltd's CT600 due?
The CT600 for the period to 31 January 2026 is due at HMRC by 31 January 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2026.
Is High Tech Construction Ltd still trading?
High Tech Construction Ltd is listed as active on the Companies House register (checked 12 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 High Tech Construction Ltd do?
High Tech Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is High Tech Construction Ltd?
High Tech Construction Ltd was incorporated on 8 January 2018, 8 years ago.
What is the penalty if High Tech Construction 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 High Tech Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.