- Company number
- 10152894
- Incorporated
- 28 Apr 201610 years trading
- Registered office
- Riverside House 3 Place Farm, Wheathampstead, St Albans, AL4 8SB
- Nature of business
- Construction of domestic buildings
N10 Construction Limited is a 10-year-old private limited company registered in St Albans, company number 10152894, one of 119 building contractors in St Albans. Its next accounts are due at Companies House on 31 January 2027, and the CT600 for the period to 30 April 2026 is due at HMRC on 30 April 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 £9,764 on the year before, to -£9,440.
- Net assets rose in 4 of 9 year-on-year comparisons on record.
- Current assets of £11K against £20K owed within a year: 0.5 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Apr 2026 | -£9,440 | £131 | £11K | £20K | 2 |
| 30 Apr 2025 | £324 | £3,713 | £19K | £24K | 2 |
| 30 Apr 2024 | -£12K | £0 | £0 | £24K | 2 |
| 30 Apr 2023 | £28 | £466 | £4,009 | £12K | 2 |
| 30 Apr 2022 | £8,522 | £16K | £16K | £16K | 2 |
| 30 Apr 2021 | -£658 | £2,596 | £2,933 | £11K | 0 |
| 30 Apr 2020 | -£9,405 | £647 | £1,552 | £13K | 0 |
| 30 Apr 2019 | -£2,010 | £1,190 | £3,554 | £8,113 | 0 |
| 30 Apr 2018 | £4,205 | £1,819 | £2,344 | £2,080 | 0 |
| 30 Apr 2017 | £157 | £2,146 | £6,881 | £7,924 | 0 |
Where N10 Construction Limited is registered
The registered office is in St Albans (AL4), in the St Albans local authority area, East of England. Show AL4 8SB on a map.
Other trade companies in AL4
- Savanto LimitedMotor traders
- Smart Finishes LtdPlasterers
- Htandg (Community Services) LtdLandscapers and gardeners
- Block Fire LtdElectricians
- Legacy Outdoor Living LtdLandscapers and gardeners
- Tahir Waqas Construction UK LtdBuilders
- BT Bim LimitedSpecialist contractors
- J&K Property (Herts) LtdInstallers
Also registered at this address
4 other companies use the same registered office as N10 Construction Limited.
- Gravitas Gardens LimitedLandscapers and gardeners
- Jaga Steel Frames and Cladding LtdBuilders
- MWG Developments LimitedProperty developers
- Sarff - Dacre LimitedElectricians
What happens if N10 Construction 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 January 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Feb 2027 to 28 Feb 2027 | £150 |
| 1 to 3 months late | 1 Mar 2027 to 30 Apr 2027 | £375 |
| 3 to 6 months late | 1 May 2027 to 31 Jul 2027 | £750 |
| More than 6 months late | From 1 Aug 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 May 2027 | £200 |
| 3 months late | 30 Jul 2027 | another £200 |
| 6 months late | 30 Oct 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Apr 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
- 10152894
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 28 April 2016 (10 years ago)
- Registered office
- Riverside House 3 Place Farm, Wheathampstead, St Albans, AL4 8SB
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 April (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 April 2025
- Last confirmation statement
- 27 April 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 St Albans
Other active building contractors registered in St Albans.
- Naka Engineering Services Ltd.2014
- Nemisis Developments Limited2003
- Nu-Worx Construction Ltd2025
- O'Mahony Contracts (UK) Ltd2016
- Oakbridge Homes Limited1993
- Orange Core Aluminium Windows and Doors Limited2013
- Outside in Construction Limited2013
- P J McCarthy Landscapes Limited2013
All building contractors in St Albans · All trades in St Albans · Builders across the UK
Frequently asked questions
When are N10 Construction Limited's accounts due?
N10 Construction Limited's next accounts are due at Companies House by 31 January 2027 (in 111 days), covering the period to 30 April 2026.
When is N10 Construction Limited's CT600 due?
The CT600 for the period to 30 April 2026 is due at HMRC by 30 April 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 February 2027.
Is N10 Construction Limited still trading?
N10 Construction 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 N10 Construction Limited do?
N10 Construction Limited is registered under Construction of domestic buildings (SIC 41202).
How old is N10 Construction Limited?
N10 Construction Limited was incorporated on 28 April 2016, 10 years ago.
What is the penalty if N10 Construction 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 N10 Construction 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.