Company profile · Builders
Building Con Limited
Building Con Limited is a 8-year-old private limited company registered in Luton, company number 11430056, one of 708 building contractors in Luton. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 30 June 2025, as filed at Companies House.
Building Con Limited over the years
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 up £131 (+0.4%) on the year before, to £32K.
- Net assets rose in 3 of 6 year-on-year comparisons on record.
- Current assets of £904 against £600 owed within a year: 1.5 times cover.
- 1 employee 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 |
|---|---|---|---|---|---|
| 30 Jun 2025 | £32K | £189 | £904 | £600 | 1 |
| 30 Jun 2024 | £32K | £211 | £1,356 | £450 | 1 |
| 30 Jun 2023 | -£31K | -£12 | -£17K | £14K | 0 |
| 30 Jun 2022 | -£22K | -£6 | -£10K | £12K | 0 |
| 30 Jun 2021 | -£23K | £3 | -£15K | £8,043 | 0 |
| 30 Jun 2020 | -£9,900 | £95 | -£404 | £504 | 0 |
| 30 Jun 2019 | £890 | £890 | 1 |
Where Building Con Limited is registered
The registered office is in Luton (LU2), in the Luton local authority area, East of England. Show LU2 7HH on a map.
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What happens if Building Con 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 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 11430056
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 June 2018 (8 years ago)
- Registered office
- 128 Old Bedford Road, Luton, LU2 7HH
- Nature of business
- Construction of commercial buildings (SIC 41201)
Construction of domestic buildings (SIC 41202) - Year end
- 30 June (accounting reference date)
- Accounts type
- Unaudited abridged
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 3 August 2026
- Previous names
- Mihai Con Ltd (until 7 Aug 2023)
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 Luton
Other active building contractors registered in Luton.
- Building Express Ltd2019
- Building of Art Design Ltd2026
- Burton Design & Build Ltd2022
- Bytyci Construction Ltd2017
- C&A Probuilders Ltd2022
- C&S Projects Ltd2023
- C.M.M. Development Contractors Ltd2006
- Caldararu Victor Ltd2026
All building contractors in Luton · All trades in Luton · Builders across the UK
Frequently asked questions
When are Building Con Limited's accounts due?
Building Con Limited's next accounts are due at Companies House by 31 March 2027 (in 170 days), covering the period to 30 June 2026.
When is Building Con Limited's CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Building Con Limited still trading?
Building Con 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 Building Con Limited do?
Building Con Limited is registered under Construction of commercial buildings (SIC 41201); Construction of domestic buildings (SIC 41202).
How old is Building Con Limited?
Building Con Limited was incorporated on 25 June 2018, 8 years ago.
What is the penalty if Building Con 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 Building Con 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.