- Companies
- Builders
- Milton Keynes
- Parthenona Construction Limited
Parthenona Construction Limited
- Company number
- 11067490
- Incorporated
- 16 Nov 20178 years trading
- Registered office
- Alders Farm Ivy Lane, Great Brickhill, Milton Keynes, MK17 9AH
- Nature of business
- Construction of domestic buildings
Parthenona Construction Limited is a 8-year-old private limited company registered in Milton Keynes, company number 11067490, one of 358 building contractors in Milton Keynes. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 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 £2,955 (-46.1%) on the year before, to -£9,368.
- Net assets rose in 3 of 7 year-on-year comparisons on record.
- Current assets of £819 against £10K owed within a year: 0.1 times cover.
- 1 employee on average, down from 2 the year before.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£9,368 | £819 | £819 | £10K | 1 |
| 30 Nov 2024 | -£6,413 | £2,392 | £8,109 | £11K | 2 |
| 30 Nov 2023 | -£16K | £1,139 | £2,635 | £7,685 | 1 |
| 30 Nov 2022 | -£9,171 | £1,874 | £15K | £7,265 | 2 |
| 30 Nov 2021 | -£17K | £1,291 | £12K | £4,987 | 2 |
| 30 Nov 2020 | £197 | £2,886 | £45K | £9,898 | 2 |
| 30 Nov 2019 | £65 | £19K | £24K | £25K | 2 |
| 30 Nov 2018 | £74 | £3,058 | £6,244 | 2 |
Where Parthenona Construction Limited is registered
The registered office is in Milton Keynes (MK17), in the Buckinghamshire local authority area, South East. Show MK17 9AH on a map.
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- Maxs Rigging Hire LtdScaffolders
- Primedevelopmentsmk LtdProperty developers
- Crestmark Developments LimitedProperty developers
- Everdrive Services LtdMechanics and garages
- Everdrive Repairs LtdMechanics and garages
- Barrett Plumbing & Climate LtdPlumbers and heating engineers
- T & T Plumbers LtdProperty developers
Also registered at this address
12 other companies use the same registered office as Parthenona Construction Limited.
- Ati Auto LtdMechanics and garages
- E.Build.Homes LtdProperty developers
- Erfit LtdFinishing trades
- H E Utilities LimitedSpecialist contractors
- Harry Utilities LtdSpecialist contractors
- Meexy MC LtdBuilders
- Mkal Contractors LtdBuilders
- P. J. C. Howe LimitedBuilders
- Residential Building Solutions Developments LtdProperty developers
- Sanfair Constructions LtdBuilders
- Stopcocks Maintenance LtdPlumbers and heating engineers
- Swiftpower Maintenance LtdSpecialist contractors
What happens if Parthenona 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 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 11067490
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 16 November 2017 (8 years ago)
- Registered office
- Alders Farm Ivy Lane, Great Brickhill, Milton Keynes, MK17 9AH
- Nature of business
- Construction of domestic buildings (SIC 41202)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 10 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 Milton Keynes
Other active building contractors registered in Milton Keynes.
- Paul Carpentry Ltd2016
- Pay As You Go Construction Ltd2026
- PCN Drylining Limited2026
- Perfektion Facility Solutions Ltd.2025
- Perfit Properties Limited2023
- Phoenix Specialist Contracting Ltd2008
- PJ Build Ltd2020
- PM Construction (UK) Limited2003
All building contractors in Milton Keynes · All trades in Milton Keynes · Builders across the UK
Frequently asked questions
When are Parthenona Construction Limited's accounts due?
Parthenona Construction Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is Parthenona Construction Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Parthenona Construction Limited still trading?
Parthenona 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 Parthenona Construction Limited do?
Parthenona Construction Limited is registered under Construction of domestic buildings (SIC 41202).
How old is Parthenona Construction Limited?
Parthenona Construction Limited was incorporated on 16 November 2017, 8 years ago.
What is the penalty if Parthenona 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 Parthenona 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.