- Companies
- Builders
- Northampton
- Biconstruct Ltd
Biconstruct Ltd
- Company number
- 10162762
- Incorporated
- 4 May 201610 years trading
- Registered office
- 18 the Spinney, Northampton, NN4 5BT
- Nature of business
- Construction of commercial buildings; Construction of domestic buildings; Other building completion and finishing
Biconstruct Ltd is a 10-year-old private limited company registered in Northampton, company number 10162762, one of 586 building contractors in Northampton. Its next accounts are due at Companies House on 28 February 2027, and the CT600 for the period to 31 May 2026 is due at HMRC on 31 May 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 £39K (-99.9%) on the year before, to £35.
- Net assets rose in 5 of 8 year-on-year comparisons on record.
- Current assets of £17K against £23K owed within a year: 0.7 times cover.
- 1 employee on average, up from 0 the year before.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £35 | £6,640 | £17K | £23K | 1 |
| 31 May 2024 | £39K | £30K | £60K | £27K | 0 |
| 31 May 2023 | £39K | £28K | £61K | £28K | 0 |
| 31 May 2022 | £14K | £16K | £51K | £31K | 2 |
| 31 May 2021 | £12K | £8,234 | £46K | £12K | 1 |
| 31 May 2020 | £15K | £50K | £17K | 1 | |
| 31 May 2019 | £17K | £46K | £30K | 0 | |
| 31 May 2018 | £5,905 | £163 | £0 | ||
| 31 May 2017 | -£5,930 | £234 | £7,064 |
Where Biconstruct Ltd is registered
The registered office is in Northampton (NN4), in the West Northamptonshire local authority area, East Midlands. Show NN4 5BT on a map.
Other trade companies in NN4
- Marks Performance LtdMotor traders
- Midlands Lifting Services LtdSpecialist contractors
- Collingtree Group LtdBuilders
- Lab Electrical Solutions LtdElectricians
- BM Automotive Group LtdMechanics and garages
- Keenan Rentals LtdProperty developers
- Collingtree Cool LtdPlumbers and heating engineers
- Je Brickwork LtdBuilders
Also registered at this address
1 other company uses the same registered office as Biconstruct Ltd.
- Starla Developments LtdProperty developers
What happens if Biconstruct 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 28 February 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Mar 2027 to 31 Mar 2027 | £150 |
| 1 to 3 months late | 1 Apr 2027 to 31 May 2027 | £375 |
| 3 to 6 months late | 1 Jun 2027 to 31 Aug 2027 | £750 |
| More than 6 months late | From 1 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jun 2027 | £200 |
| 3 months late | 31 Aug 2027 | another £200 |
| 6 months late | 30 Nov 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 May 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
- 10162762
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 4 May 2016 (10 years ago)
- Registered office
- 18 the Spinney, Northampton, NN4 5BT
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202)
Other building completion and finishing (SIC 43390) - Year end
- 31 May (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 14 August 2026
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 Northampton
Other active building contractors registered in Northampton.
- Billing Brothers Limited2016
- Billingsbrook Builders Limited2021
- Bivol Construction Ltd2016
- BJ Building Services Ltd2025
- Black Star MD Ltd2022
- Blue Lion UK Solutions Ltd2020
- Bogdan Carpentry Ltd2021
- Bogdan Interiors Ltd2020
All building contractors in Northampton · All trades in Northampton · Builders across the UK
Frequently asked questions
When are Biconstruct Ltd's accounts due?
Biconstruct Ltd's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is Biconstruct Ltd's CT600 due?
The CT600 for the period to 31 May 2026 is due at HMRC by 31 May 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 March 2027.
Is Biconstruct Ltd still trading?
Biconstruct Ltd 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 Biconstruct Ltd do?
Biconstruct Ltd is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202); Other building completion and finishing (SIC 43390).
How old is Biconstruct Ltd?
Biconstruct Ltd was incorporated on 4 May 2016, 10 years ago.
What is the penalty if Biconstruct 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 Biconstruct Ltd 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.