- Company number
- 05750967
- Incorporated
- 21 Mar 200620 years trading
- Registered office
- Unit 24, Lynn Road, Wisbech, Norfolk, PE14 7DA
- Nature of business
- Construction of commercial buildings; Other business support service activities n.e.c.
NB Construction (UK) Limited is a 20-year-old private limited company registered in Wisbech, company number 05750967, one of 125 building contractors in Wisbech. 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 £275K (-15.7%) on the year before, to £1.5M.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £367K against £455K owed within a year: 0.8 times cover.
- 11 employees on average, down from 14 the year before.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £1.5M | £44K | £367K | £455K | 11 |
| 31 May 2024 | £1.8M | £105K | £545K | £440K | 14 |
| 31 May 2023 | £2.2M | £317K | £1.1M | £589K | 17 |
| 31 May 2022 | £3.1M | £468K | £2.4M | £948K | 22 |
| 31 May 2021 | £2.9M | £551K | £2.1M | £1.3M | 20 |
| 31 May 2020 | £5M | £2M | £5.5M | £2.1M | 18 |
| 31 May 2019 | £2.7M | £908K | £4.7M | £2.6M | 17 |
| 31 May 2018 | £1.4M | £151K | £1.9M | £1.3M | 18 |
Public contracts won
NB Construction (UK) Limited has one public sector contract award on record; the ones with their own published value total £100K (2021). Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Borough Council of King's Lynn & West Norfolk | GB-King's Lynn: Car Park Surfacing | £100K | 15 Feb 2021 |
Where NB Construction (UK) Limited is registered
The registered office is in Wisbech (PE14), in the King's Lynn and West Norfolk local authority area, East of England. Show PE14 7DA on a map.
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- Thrive Botanical LtdLandscapers and gardeners
Also registered at this address
3 other companies use the same registered office as NB Construction (UK) Limited.
- Edens Gardens Landscapes LimitedLandscapers and gardeners
- NB Construction (Holdings) LtdBuilders
- NBC Homes LtdBuilders
What happens if NB Construction (UK) 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 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
- 05750967
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 21 March 2006 (20 years ago)
- Registered office
- Unit 24, Lynn Road, Wisbech, Norfolk, PE14 7DA
- Nature of business
- Construction of commercial buildings (SIC 41201)
Other business support service activities n.e.c. (SIC 82990) - Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 6 September 2026
- Charges (mortgages)
- 2 outstanding of 6 registered
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 Wisbech
Other active building contractors registered in Wisbech.
- NBC Homes Ltd2017
- Nerobuild Ltd2025
- Norfolk Timber Frames Ltd2013
- North Beach Properties Ltd2025
- Oen Plastering Ltd2022
- Patricks of Parson Drove Limited2001
- Paul Griffin 1412 Limited2020
- Peggs Construction Limited2005
All building contractors in Wisbech · All trades in Wisbech · Builders across the UK
Frequently asked questions
When are NB Construction (UK) Limited's accounts due?
NB Construction (UK) Limited's next accounts are due at Companies House by 28 February 2027 (in 138 days), covering the period to 31 May 2026.
When is NB Construction (UK) Limited'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 NB Construction (UK) Limited still trading?
NB Construction (UK) 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 NB Construction (UK) Limited do?
NB Construction (UK) Limited is registered under Construction of commercial buildings (SIC 41201); Other business support service activities n.e.c. (SIC 82990).
How old is NB Construction (UK) Limited?
NB Construction (UK) Limited was incorporated on 21 March 2006, 20 years ago.
Has NB Construction (UK) Limited won public sector contracts?
Yes. NB Construction (UK) Limited has one contract award from public bodies on Contracts Finder and Find a Tender (those with their own published value total £100K), most recently from Borough Council of King's Lynn & West Norfolk.
What is the penalty if NB Construction (UK) 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 NB Construction (UK) 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.