- Companies
- Builders
- Potters Bar
- Nucore Construction Ltd
Nucore Construction Ltd
- Company number
- 11743475
- Incorporated
- 28 Dec 20187 years trading
- Registered office
- Maple House, High Street, Potters Bar, Hertfordshire, EN6 5BS
- Nature of business
- Construction of domestic buildings
Nucore Construction Ltd is a 7-year-old private limited company registered in Potters Bar, company number 11743475, one of 84 building contractors in Potters Bar. Companies House shows its accounts as overdue: they were due on 30 September 2026.
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 -£216K.
- Net assets rose in 0 of 3 year-on-year comparisons on record.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 5 years, 2019 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2024 | -£216K | £3,965 | £224K | 0 | |
| 31 Dec 2023 | -£216K | £3,965 | £224K | 0 | |
| 31 Dec 2022 | -£216K | £3,965 | £224K | 3 | |
| 31 Dec 2020 | -£194K | £40K | £66K | £265K | 0 |
| 31 Dec 2019 | £100 | 1 |
Where Nucore Construction Ltd is registered
The registered office is in Potters Bar (EN6), in the Hertsmere local authority area, East of England. Show EN6 5BS on a map.
Other trade companies in EN6
- Hertfordshire Roofing and Guttering Repairs LtdRoofers
- Vata RC Frames LtdSpecialist contractors
- Avanti Airtech LimitedPlumbers and heating engineers
- Azmaj Group LtdFinishing trades
- Burbridge Roofing and Build LtdBuilders
- Roman Way Holdings LtdProperty developers
- Westshire Property Services LimitedFinishing trades
- Oska Auto LtdMechanics and garages
Also registered at this address
2 other companies use the same registered office as Nucore Construction Ltd.
- Et Brickwork LimitedBuilders
- Wren Building (London) LimitedSpecialist contractors
What happens if Nucore Construction Ltd files late
If the accounts reach Companies House today, the late filing penalty is £150 (£300 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2026 to 31 Oct 2026 | £150 |
| 1 to 3 months late | 1 Nov 2026 to 31 Dec 2026 | £375 |
| 3 to 6 months late | 1 Jan 2027 to 31 Mar 2027 | £750 |
| More than 6 months late | From 1 Apr 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2027 | £200 |
| 3 months late | 31 Mar 2027 | another £200 |
| 6 months late | 30 Jun 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 2027 | 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
- 11743475
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 December 2018 (7 years ago)
- Registered office
- Maple House, High Street, Potters Bar, Hertfordshire, EN6 5BS
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2024
- Last confirmation statement
- 28 December 2025
- Previous names
- Korendon Construction (South) Limited (until 6 Aug 2020)
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 Potters Bar
Other active building contractors registered in Potters Bar.
- Nucore Construction Services Limited2021
- Nucore Developments Limited2025
- O T Construction Ltd2012
- Oakwood Developers Limited2022
- Olive & Rose Ltd2025
- Our Homes Matter Ltd2020
- Phlush Ltd2022
- PMV Build Limited2026
All building contractors in Potters Bar · All trades in Potters Bar · Builders across the UK
Frequently asked questions
When are Nucore Construction Ltd's accounts due?
Nucore Construction Ltd's accounts were due at Companies House on 30 September 2026 and the register shows them as overdue.
When is Nucore Construction Ltd's CT600 due?
The CT600 for the period to 31 December 2025 is due at HMRC by 31 December 2026, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2026.
Is Nucore Construction Ltd still trading?
Nucore Construction Ltd is listed as active on the Companies House register (checked 13 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 Nucore Construction Ltd do?
Nucore Construction Ltd is registered under Construction of domestic buildings (SIC 41202).
How old is Nucore Construction Ltd?
Nucore Construction Ltd was incorporated on 28 December 2018, 7 years ago.
What is the penalty if Nucore 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 Nucore Construction Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 13 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.