- Companies
- Property developers
- Chesterfield
- Mayfly Project Management Limited
Mayfly Project Management Limited
- Company number
- 15871673
- Incorporated
- 2 Aug 20242 years trading
- Registered office
- Office 5, Station Business Centre 2 Station Road, Clowne, Chesterfield, S43 4RW
- Nature of business
- Development of building projects; Electrical installation; Management of real estate on a fee or contract basis
Mayfly Project Management Limited is a 2-year-old private limited company registered in Chesterfield, company number 15871673, one of 162 property development companies in Chesterfield. Its next accounts are due at Companies House on 31 May 2027, and the CT600 for the period to 31 August 2026 is due at HMRC on 31 August 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2025
From the balance sheet at 31 August 2025, as filed at Companies House.
Where Mayfly Project Management Limited is registered
The registered office is in Chesterfield (S43), in the Bolsover local authority area, East Midlands. Show S43 4RW on a map.
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What happens if Mayfly Project Management 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 May 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jun 2027 to 30 Jun 2027 | £150 |
| 1 to 3 months late | 1 Jul 2027 to 31 Aug 2027 | £375 |
| 3 to 6 months late | 1 Sep 2027 to 30 Nov 2027 | £750 |
| More than 6 months late | From 1 Dec 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Sep 2027 | £200 |
| 3 months late | 30 Nov 2027 | another £200 |
| 6 months late | 29 Feb 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Aug 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
- 15871673
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 2 August 2024 (2 years ago)
- Registered office
- Office 5, Station Business Centre 2 Station Road, Clowne, Chesterfield, S43 4RW
- Nature of business
- Development of building projects (SIC 41100)
Electrical installation (SIC 43210)
Management of real estate on a fee or contract basis (SIC 68320) - Year end
- 31 August (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 August 2025
- Last confirmation statement
- 1 August 2026
- Previous names
- Mayfly Property Management Ltd (until 8 Oct 2025)
Filing notes for property development companies
Many property development companies are single-project vehicles. Stock of land and buildings sits on the balance sheet as work in progress until sale, and a company that has finished its project may become dormant rather than close.
Similar companies in Chesterfield
Other active property development companies registered in Chesterfield.
- MDP Developments Limited2021
- Meynell Hunt Developments Ltd2024
- Miete Properties Ltd2021
- Mill Lock Construction Limited2000
- N J G C Developments Limited2018
- Naylor & Slater Property Development Ltd2016
- North Peak Investments Ltd2025
- NS Mechanical Services Ltd2024
All property development companies in Chesterfield · All trades in Chesterfield · Property developers across the UK
Frequently asked questions
When are Mayfly Project Management Limited's accounts due?
Mayfly Project Management Limited's next accounts are due at Companies House by 31 May 2027 (in 231 days), covering the period to 31 August 2026.
When is Mayfly Project Management Limited's CT600 due?
The CT600 for the period to 31 August 2026 is due at HMRC by 31 August 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 June 2027.
Is Mayfly Project Management Limited still trading?
Mayfly Project Management 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 Mayfly Project Management Limited do?
Mayfly Project Management Limited is registered under Development of building projects (SIC 41100); Electrical installation (SIC 43210); Management of real estate on a fee or contract basis (SIC 68320).
How old is Mayfly Project Management Limited?
Mayfly Project Management Limited was incorporated on 2 August 2024, 2 years ago.
What is the penalty if Mayfly Project Management 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 Mayfly Project Management 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.