- Companies
- Civil engineering
- London
- Austin Brickwork Limited
Austin Brickwork Limited
- Company number
- 03656408
- Incorporated
- 26 Oct 199827 years trading
- Registered office
- 3RD Floor, 86 - 90 Paul Street, London, EC2A 4NE
- Nature of business
- Construction of utility projects for fluids
Austin Brickwork Limited is a 27-year-old private limited company registered in London, company number 03656408, one of 1,853 civil engineering contractors in London. 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 £230K (-10.8%) on the year before, to £1.9M.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £2.2M against £286K owed within a year: 7.5 times cover.
- 6 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | £1.9M | £1.6M | £2.2M | £286K | 6 |
| 31 Dec 2023 | £2.1M | £385K | £925K | £270K | 6 |
| 31 Dec 2022 | £2.1M | £634K | £1M | £370K | 6 |
| 31 Dec 2021 | £2.5M | £848K | £1.4M | £470K | 7 |
| 31 Dec 2020 | £2.1M | £711K | £1.1M | £335K | 8 |
| 31 Dec 2019 | £4.2M | £1M | £1.9M | £668K | 8 |
| 31 Dec 2018 | £4.2M | £1.9M | £2.6M | £653K | 7 |
| 31 Dec 2017 | £3.4M | £1.4M | £2.3M | £932K | 7 |
| 31 Dec 2016 | £3.4M | £988K | £2.6M | £709K | 7 |
| 31 Dec 2015 | £2.6M | £956K | £2.7M | £931K |
Where Austin Brickwork Limited is registered
The registered office is in London (EC2A), in the Hackney local authority area, London. Show EC2A 4NE on a map.
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- Cenlora Cleaning Group LtdCleaning companies
Shared registered office
172 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if Austin Brickwork 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
- 03656408
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 26 October 1998 (27 years ago)
- Registered office
- 3RD Floor, 86 - 90 Paul Street, London, EC2A 4NE
- Nature of business
- Construction of utility projects for fluids (SIC 42210)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 26 October 2025
- Charges (mortgages)
- 3 outstanding of 3 registered
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in London
Other active civil engineering contractors registered in London.
- Austin Contractors Limited2004
- Austinsite Limited2016
- Automation Systems and Industrial Control Ltd2020
- Autron UK Limited2026
- Av Fitting Ltd2024
- Aventura UK Limited2000
- Avesta Building Services Ltd2003
- Avm Utilities Ltd2024
All civil engineering contractors in London · All trades in London · Civil engineering across the UK
Frequently asked questions
When are Austin Brickwork Limited's accounts due?
Austin Brickwork 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 Austin Brickwork 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 Austin Brickwork Limited still trading?
Austin Brickwork 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 Austin Brickwork Limited do?
Austin Brickwork Limited is registered under Construction of utility projects for fluids (SIC 42210).
How old is Austin Brickwork Limited?
Austin Brickwork Limited was incorporated on 26 October 1998, 27 years ago.
What is the penalty if Austin Brickwork 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 Austin Brickwork 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.