- Companies
- Civil engineering
- Hertford
- Dmsldn Ltd
Dmsldn Ltd
- Company number
- 04981861
- Incorporated
- 2 Dec 200322 years trading
- Registered office
- Mansion House, Woolmers Park, Hertford, Hertfordshire, SG14 2NX
- Nature of business
- Construction of other civil engineering projects n.e.c.
Dmsldn Ltd is a 22-year-old private limited company registered in Hertford, company number 04981861, one of 16 civil engineering contractors in Hertford. Its next accounts are due at Companies House on 31 December 2026, and the CT600 for the period to 31 March 2026 is due at HMRC on 31 March 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 Dmsldn LtdOr 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 down £70K (-0.7%) on the year before, to -£11M.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- Current assets of £111K against £7.4M owed within a year: 0.0 times cover.
- No employees reported for the latest year (directors are often not counted as employees).
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2025 | -£11M | £9,506 | £111K | £7.4M | 0 |
| 31 Mar 2024 | -£11M | £15K | £115K | £7.4M | 2 |
| 31 Mar 2023 | -£11M | £12K | £5.7M | £8M | 2 |
| 31 Mar 2022 | -£10M | £27K | £6.6M | £7.8M | 3 |
| 31 Mar 2021 | -£10M | £23K | £5.9M | £7.8M | 2 |
| 31 Mar 2020 | -£10M | £17K | £5.5M | £7.7M | 2 |
| 31 Mar 2019 | -£9.9M | £115K | £4.5M | £9M | 2 |
| 31 Mar 2018 | -£9.8M | £3,406 | £3.2M | £7.8M | 2 |
| 31 Mar 2017 | -£9.6M | £6,762 | £4.4M | £8.1M | 2 |
| 31 Mar 2016 | -£9.1M | £2,613 | £4.6M | £8M |
Where Dmsldn Ltd is registered
The registered office is in Hertford (SG14), in the East Hertfordshire local authority area, East of England. Show SG14 2NX on a map.
Other trade companies in SG14
- Bespoke Performance Training LimitedMotor traders
- Ak Collectibles LimitedMotor traders
- Hoe Lane LimitedProperty developers
- Meads Plumbing & Heating LimitedPlumbers and heating engineers
- SRP Plumbing Services LtdPlumbers and heating engineers
- Worster and Son LimitedFinishing trades
- Recovery and Garage Services LimitedMechanics and garages
- The Village Home & Garden Company LtdFinishing trades
What happens if Dmsldn 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 31 December 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2027 to 31 Jan 2027 | £150 |
| 1 to 3 months late | 1 Feb 2027 to 31 Mar 2027 | £375 |
| 3 to 6 months late | 1 Apr 2027 to 30 Jun 2027 | £750 |
| More than 6 months late | From 1 Jul 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2027 | £200 |
| 3 months late | 30 Jun 2027 | another £200 |
| 6 months late | 30 Sep 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 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
- 04981861
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 December 2003 (22 years ago)
- Registered office
- Mansion House, Woolmers Park, Hertford, Hertfordshire, SG14 2NX
- Nature of business
- Construction of other civil engineering projects n.e.c. (SIC 42990)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2025
- Last confirmation statement
- 2 December 2025
- Charges (mortgages)
- 0 outstanding of 10 registered
- Previous names
- Domus London Ltd (until 4 Feb 2024)
Filing notes for civil engineering contractors
Civil engineering contractors usually carry plant and machinery, so capital allowances (the annual investment allowance and the main pool) do much of the work in the corporation tax computation.
Similar companies in Hertford
Other active civil engineering contractors registered in Hertford.
- Essex Telecom Solutions Limited2021
- Fortress Security Solutions Ltd2019
- HC Environmental Ltd2021
- J W Fabrications Limited2012
- JF Services & Contracting Ltd2025
- Lanesra FC Ltd2025
- Oak Carter Limited2020
- Shire Surveying Limited1985
All civil engineering contractors in Hertford · All trades in Hertford · Civil engineering across the UK
Frequently asked questions
When are Dmsldn Ltd's accounts due?
Dmsldn Ltd's next accounts are due at Companies House by 31 December 2026 (in 80 days), covering the period to 31 March 2026.
When is Dmsldn Ltd's CT600 due?
The CT600 for the period to 31 March 2026 is due at HMRC by 31 March 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2027.
Is Dmsldn Ltd still trading?
Dmsldn 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 Dmsldn Ltd do?
Dmsldn Ltd is registered under Construction of other civil engineering projects n.e.c. (SIC 42990).
How old is Dmsldn Ltd?
Dmsldn Ltd was incorporated on 2 December 2003, 22 years ago.
What is the penalty if Dmsldn 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 Dmsldn 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.