- Company number
- 06749798
- Incorporated
- 14 Nov 200817 years trading
- Registered office
- Janelle House, Hartham Lane, Hertford, Hertfordshire, SG14 1QN
- Nature of business
- Construction of commercial buildings
Mardea Construction Limited is a 17-year-old private limited company registered in Hertford, company number 06749798, one of 60 building contractors in Hertford. 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 Mardea Construction 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 down £2,453 (-51.3%) on the year before, to £2,329.
- Net assets rose in 1 of 9 year-on-year comparisons on record.
- Current assets of £432K against £430K owed within a year: 1.0 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 10 years, 2015 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 May 2025 | £2,329 | £2,952 | £432K | £430K | 2 |
| 31 May 2024 | £4,782 | £3,232 | £419K | £414K | 2 |
| 31 May 2023 | £8,319 | £10K | £271K | £263K | 1 |
| 31 May 2022 | £1,973 | £0 | £4,817 | £3,884 | 1 |
| 30 Nov 2020 | £2,095 | £2 | £4,819 | £3,764 | 1 |
| 30 Nov 2019 | £2,960 | £170 | £4,987 | £3,414 | 1 |
| 30 Nov 2018 | £19K | £47K | £47K | £29K | |
| 30 Nov 2017 | £46K | £2,420 | £46K | £2,720 | |
| 30 Nov 2016 | £55K | £56K | £59K | £6,219 | |
| 30 Nov 2015 | £70K | £27 | £249K | £181K |
Where Mardea Construction Limited is registered
The registered office is in Hertford (SG14), in the East Hertfordshire local authority area, East of England. Show SG14 1QN 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
Also registered at this address
12 other companies use the same registered office as Mardea Construction Limited.
- A10 Roofing (London) LimitedRoofers
- CWB Development Consultants LimitedProperty developers
- Eastern Services UK LimitedElectricians
- Equinox Planning and Development LimitedProperty developers
- Express Water Tanks LimitedPlumbers and heating engineers
- Inception Building Contractors LimitedBuilders
- J H Fage & Son LimitedPlumbers and heating engineers
- Martin Glazebrook Mechanical Services LtdMachinery repair and installation
- MM Electrics LimitedElectricians
- New World Builders LimitedBuilders
- New World Property Development LimitedBuilders
- R A Neve & Company LimitedBuilders
What happens if Mardea 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 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
- 06749798
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 November 2008 (17 years ago)
- Registered office
- Janelle House, Hartham Lane, Hertford, Hertfordshire, SG14 1QN
- Nature of business
- Construction of commercial buildings (SIC 41201)
- Year end
- 31 May (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 May 2025
- Last confirmation statement
- 14 November 2025
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 Hertford
Other active building contractors registered in Hertford.
- Mode Garden Rooms Ltd2002
- New World Builders Limited1989
- New World Property Development Limited2000
- Parsonage Barns Construction Ltd2006
- PDS Group Limited2016
- Portland Construction Group Ltd2023
- Pyrmont Build Limited2006
- R A Neve & Company Limited1997
All building contractors in Hertford · All trades in Hertford · Builders across the UK
Frequently asked questions
When are Mardea Construction Limited's accounts due?
Mardea Construction Limited's next accounts are due at Companies House by 28 February 2027 (in 139 days), covering the period to 31 May 2026.
When is Mardea Construction 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 Mardea Construction Limited still trading?
Mardea 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 Mardea Construction Limited do?
Mardea Construction Limited is registered under Construction of commercial buildings (SIC 41201).
How old is Mardea Construction Limited?
Mardea Construction Limited was incorporated on 14 November 2008, 17 years ago.
What is the penalty if Mardea 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 Mardea 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.