- Companies
- Installers
- London
- Denton Contractors Groundworks Limited
Denton Contractors Groundworks Limited
- Company number
- 06550586
- Incorporated
- 1 Apr 200818 years trading
- Registered office
- 2ND Floor, Suite C, 1 Lindsey Street, Farringdon, London, EC1A 9HP
- Nature of business
- Other construction installation
Denton Contractors Groundworks Limited is a 18-year-old private limited company registered in London, company number 06550586, one of 2,278 installation companies (insulation, lifts, shutters and similar) in London. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for Denton Contractors Groundworks LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £507K (+16.2%) on the year before, to £3.6M.
- Net assets rose in 6 of 8 year-on-year comparisons on record.
- Current assets of £3.3M against £200K owed within a year: more than 10 times cover.
- 18 employees on average during the year.
- Balance sheets on record for 9 years, 2017 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £3.6M | £2.3M | £3.3M | £200K | 18 |
| 31 May 2024 | £3.1M | £1.7M | £2.8M | £200K | 18 |
| 31 May 2023 | £2.3M | £1.3M | £2.1M | £282K | 19 |
| 31 May 2022 | £1.5M | £1.2M | £1.6M | £353K | 20 |
| 31 May 2021 | £377K | £191K | £347K | £157K | 13 |
| 31 May 2020 | £474K | £401K | £481K | £121K | 10 |
| 31 May 2019 | £547K | £470K | £629K | £208K | 11 |
| 31 May 2018 | £500K | £380K | £555K | £211K | 11 |
| 30 Apr 2017 | £444K | £231K | £560K | £311K | 9 |
Public contracts won
Denton Contractors Groundworks Limited has 2 public sector contract awards on record; the ones with their own published value total £82K (2023). 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.
Awards by year
Main buyers
- Ministry of Defence2 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Ministry of Defence | Emergency Response Equipment store & concrete base | £25K | 20 Mar 2023 |
| Ministry of Defence | Ozone trench works | £57K | 25 Jan 2023 |
Where Denton Contractors Groundworks Limited is registered
The registered office is in London (EC1A), in the City of London local authority area, London. Show EC1A 9HP on a map.
Other trade companies in EC1A
- Simply Crafted Architectural Gems LtdProperty developers
- Nordex Equipment Solutions LtdMachinery repair and installation
- Lewalos LtdMotor traders
- Relations Roofing & Construction LtdRoofers
- The Reboot City LtdRepair services
- Bowline Maintenance Services LimitedFinishing trades
- Beormund Mount Anvil LimitedProperty developers
- Seven Islands Mount Anvil LimitedProperty developers
What happens if Denton Contractors Groundworks 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
- 06550586
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 April 2008 (18 years ago)
- Registered office
- 2ND Floor, Suite C, 1 Lindsey Street, Farringdon, London, EC1A 9HP
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 October (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 1 April 2026
- Charges (mortgages)
- 0 outstanding of 2 registered
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in London
Other active installation companies (insulation, lifts, shutters and similar) registered in London.
- Design Experts Limited2024
- Deva Design & Build Limited2016
- Develli Trading Ltd2025
- Dexune Ceilings and Acoustics Ltd2025
- Dfmech Ltd2026
- DG Eco Ltd2025
- DGD Interiors Ltd2021
- Dhanda Builders Limited2013
All installation companies (insulation, lifts, shutters and similar) in London · All trades in London · Installers across the UK
Frequently asked questions
When are Denton Contractors Groundworks Limited's accounts due?
Denton Contractors Groundworks 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 Denton Contractors Groundworks 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 Denton Contractors Groundworks Limited still trading?
Denton Contractors Groundworks 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 Denton Contractors Groundworks Limited do?
Denton Contractors Groundworks Limited is registered under Other construction installation (SIC 43290).
How old is Denton Contractors Groundworks Limited?
Denton Contractors Groundworks Limited was incorporated on 1 April 2008, 18 years ago.
Has Denton Contractors Groundworks Limited won public sector contracts?
Yes. Denton Contractors Groundworks Limited has 2 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £82K), most recently from Ministry of Defence.
What is the penalty if Denton Contractors Groundworks 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 Denton Contractors Groundworks 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.