- Companies
- Specialist contractors
- Bishop's Stortford
- North London Structures and Groundworks Ltd
North London Structures and Groundworks Ltd
- Company number
- 12279307
- Incorporated
- 24 Oct 20196 years trading
- Registered office
- Unit 10, Southmill Trading Estate, Bishop's Stortford, CM23 3DY
- Nature of business
- Other specialised construction activities n.e.c.
North London Structures and Groundworks Ltd is a 6-year-old private limited company registered in Bishop's Stortford, company number 12279307, one of 50 specialist construction companies in Bishop's Stortford. Its next accounts are due at Companies House on 30 September 2027, and the CT600 for the period to 31 December 2026 is due at HMRC on 31 December 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 up £537K (+36.6%) on the year before, to £2M.
- Net assets rose in 4 of 5 year-on-year comparisons on record.
- Current assets of £3.7M against £1.8M owed within a year: 2.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 6 years, 2020 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Dec 2025 | £2M | £688K | £3.7M | £1.8M | 0 |
| 31 Dec 2024 | £1.5M | £415K | £2.9M | £1.5M | 5 |
| 31 Dec 2023 | £498K | £149K | £1.8M | £1.4M | 5 |
| 31 Dec 2022 | £1.1M | £325K | £2.4M | £1.3M | 5 |
| 31 Dec 2021 | £1M | £424K | £1.9M | £867K | 5 |
| 31 Dec 2020 | £377K | £106K | £785K | £362K | 4 |
Where North London Structures and Groundworks Ltd is registered
The registered office is in Bishop's Stortford (CM23), in the East Hertfordshire local authority area, East of England. Show CM23 3DY on a map.
Other trade companies in CM23
- Virtual Bee Property Development LtdProperty developers
- Cerberus (Compliance & Maintain) LimitedInstallers
- Cerberus (Electrical & Renewables) LimitedInstallers
- Bishop's Stortford Tyres Hub LimitedMechanics and garages
- Da Power LtdElectricians
- Henry Daniel Building Co LtdBuilders
- Wolfe Services LimitedMachinery repair and installation
- Bells Exterior Services LimitedCleaning companies
What happens if North London Structures and Groundworks 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 30 September 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Oct 2027 to 31 Oct 2027 | £150 |
| 1 to 3 months late | 1 Nov 2027 to 31 Dec 2027 | £375 |
| 3 to 6 months late | 1 Jan 2028 to 31 Mar 2028 | £750 |
| More than 6 months late | From 1 Apr 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jan 2028 | £200 |
| 3 months late | 31 Mar 2028 | another £200 |
| 6 months late | 30 Jun 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Dec 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
- 12279307
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 24 October 2019 (6 years ago)
- Registered office
- Unit 10, Southmill Trading Estate, Bishop's Stortford, CM23 3DY
- Nature of business
- Other specialised construction activities n.e.c. (SIC 43999)
- Year end
- 31 December (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 December 2025
- Last confirmation statement
- 31 August 2026
Filing notes for specialist construction companies
Specialist contractors often work under CIS for main contractors. Retentions held back by the customer still count towards turnover once the work is done.
Similar companies in Bishop's Stortford
Other active specialist construction companies registered in Bishop's Stortford.
- Notlem (Herts) Limited2013
- Prestige Engineering Site Services Ltd2021
- Prime Piling Ltd2021
- Quadrum Facades Limited2025
- Quality Mastics Limited2014
- Robert K Muir Ltd.2011
- RPM Fire Prevention Ltd2025
- Schoeman Renovations Ltd2022
All specialist construction companies in Bishop's Stortford · All trades in Bishop's Stortford · Specialist contractors across the UK
Frequently asked questions
When are North London Structures and Groundworks Ltd's accounts due?
North London Structures and Groundworks Ltd's next accounts are due at Companies House by 30 September 2027 (in 352 days), covering the period to 31 December 2026.
When is North London Structures and Groundworks Ltd's CT600 due?
The CT600 for the period to 31 December 2026 is due at HMRC by 31 December 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 October 2027.
Is North London Structures and Groundworks Ltd still trading?
North London Structures and Groundworks 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 North London Structures and Groundworks Ltd do?
North London Structures and Groundworks Ltd is registered under Other specialised construction activities n.e.c. (SIC 43999).
How old is North London Structures and Groundworks Ltd?
North London Structures and Groundworks Ltd was incorporated on 24 October 2019, 6 years ago.
What is the penalty if North London Structures and Groundworks 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 North London Structures and Groundworks 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.