- Companies
- Civil engineering
- Bexleyheath
- Byrcon Limited
Byrcon Limited
- Company number
- 10630012
- Incorporated
- 21 Feb 20179 years trading
- Registered office
- 2A Devonshire Road Westhill House, Accounting Freedom, Bexleyheath, DA6 8DS
- Nature of business
- Construction of other civil engineering projects n.e.c.
Byrcon Limited is a 9-year-old private limited company registered in Bexleyheath, company number 10630012, one of 11 civil engineering contractors in Bexleyheath. Its next accounts are due at Companies House on 30 November 2027, and the CT600 for the period to 28 February 2027 is due at HMRC on 28 February 2028.
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 unchanged on the year before, at £1.
- Net assets rose in 1 of 8 year-on-year comparisons on record.
- Current assets of £17K against £17K owed within a year: 1.0 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 9 years, 2018 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 28 Feb 2026 | £1 | £554 | £17K | £17K | 1 |
| 28 Feb 2025 | £1 | £1,151 | £13K | £13K | 1 |
| 28 Feb 2024 | £4 | £208 | £8,345 | £8,341 | 1 |
| 28 Feb 2023 | £6 | £46 | £10K | £10K | 1 |
| 28 Feb 2022 | £3,702 | £7,584 | £15K | £12K | 1 |
| 28 Feb 2021 | £5,095 | £1,665 | £13K | £7,629 | 1 |
| 28 Feb 2020 | £2,774 | £5,005 | £8,691 | £5,917 | 1 |
| 28 Feb 2019 | £6,873 | £6,529 | £9,985 | £3,112 | |
| 28 Feb 2018 | £9,724 | £17K | £17K | £7,488 |
Where Byrcon Limited is registered
The registered office is in Bexleyheath (DA6), in the Bexley local authority area, London. Show DA6 8DS on a map.
Other trade companies in DA6
- Bego Construction LtdBuilders
- Triva LtdBuilders
- Green Core Construction LtdBuilders
- MD Lathams LimitedFinishing trades
- Quantara Support Services LtdFacilities management
- SNJ Property Development LimitedBuilders
- BTM Engineering LtdMechanics and garages
- Shelby Group LtdSpecialist contractors
What happens if Byrcon 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 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2027 to 31 Dec 2027 | £150 |
| 1 to 3 months late | 1 Jan 2028 to 29 Feb 2028 | £375 |
| 3 to 6 months late | 1 Mar 2028 to 31 May 2028 | £750 |
| More than 6 months late | From 1 Jun 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 2029 | 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
- 10630012
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 February 2017 (9 years ago)
- Registered office
- 2A Devonshire Road Westhill House, Accounting Freedom, Bexleyheath, DA6 8DS
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 28 February (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 28 February 2026
- Last confirmation statement
- 20 February 2026
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 Bexleyheath
Other active civil engineering contractors registered in Bexleyheath.
- Capital Contract Services Limited2003
- CRJ Utilities Ltd2019
- Daniel Olaru Planning Ltd2025
- Enrichers Construction Group Limited2015
- Mani Drylining Ltd2018
- Noonan Civil Engineering Ltd2026
- Stokes Services Limited2025
- TMR Sons Civil Engineering Ltd2013
All civil engineering contractors in Bexleyheath · All trades in Bexleyheath · Civil engineering across the UK
Frequently asked questions
When are Byrcon Limited's accounts due?
Byrcon Limited's next accounts are due at Companies House by 30 November 2027 (in 414 days), covering the period to 28 February 2027.
When is Byrcon Limited's CT600 due?
The CT600 for the period to 28 February 2027 is due at HMRC by 28 February 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 December 2027.
Is Byrcon Limited still trading?
Byrcon 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 Byrcon Limited do?
Byrcon Limited is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Byrcon Limited?
Byrcon Limited was incorporated on 21 February 2017, 9 years ago.
What is the penalty if Byrcon 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 Byrcon 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.