- Companies
- Property developers
- London
- John A Long Ltd
John A Long Ltd
- Company number
- 16180127
- Incorporated
- 13 Jan 20251 year trading
- Registered office
- Suite G04, 1 Quality Court, Chancery Lane, London, WC2A 1HR
- Nature of business
- Development of building projects; Construction of commercial buildings; Buying and selling of own real estate; Other letting and operating of own or leased real estate
John A Long Ltd is a 1-year-old private limited company registered in London, company number 16180127, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 31 October 2027, and the CT600 for the period to 31 January 2027 is due at HMRC on 31 January 2028.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Financial snapshot, 2026
From the balance sheet at 31 January 2026, as filed at Companies House.
Where John A Long Ltd is registered
The registered office is in London (WC2A), in the City of London local authority area, London. Show WC2A 1HR on a map.
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Shared registered office
173 companies on our pages use this registered office address. An address shared this widely is usually an accountant's office or a company formation agent's service address, not where the business trades from.
What happens if John A Long 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 October 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2027 to 30 Nov 2027 | £150 |
| 1 to 3 months late | 1 Dec 2027 to 31 Jan 2028 | £375 |
| 3 to 6 months late | 1 Feb 2028 to 30 Apr 2028 | £750 |
| More than 6 months late | From 1 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2028 | £200 |
| 3 months late | 30 Apr 2028 | another £200 |
| 6 months late | 31 Jul 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 2029 | 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
- 16180127
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 13 January 2025 (1 year ago)
- Registered office
- Suite G04, 1 Quality Court, Chancery Lane, London, WC2A 1HR
- Nature of business
- Development of building projects (SIC 41100)
Construction of commercial buildings (SIC 41201)
Buying and selling of own real estate (SIC 68100)
Other letting and operating of own or leased real estate (SIC 68209) - Year end
- 31 January (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 January 2026
- Last confirmation statement
- 7 April 2026
- Charges (mortgages)
- 1 outstanding of 1 registered
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 London
Other active property development companies registered in London.
- John Hyman Limited2014
- John Lloyd (Builders) Limited1973
- John M Gammidge Developments Limited2003
- John Morris House Ltd2026
- John O'Brien Construction Ltd2008
- John Parr Developments Limited2006
- John Randall Developments Limited2007
- John Sutherland Property Ltd2025
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are John A Long Ltd's accounts due?
John A Long Ltd's next accounts are due at Companies House by 31 October 2027 (in 383 days), covering the period to 31 January 2027.
When is John A Long Ltd's CT600 due?
The CT600 for the period to 31 January 2027 is due at HMRC by 31 January 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 November 2027.
Is John A Long Ltd still trading?
John A Long 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 John A Long Ltd do?
John A Long Ltd is registered under Development of building projects (SIC 41100); Construction of commercial buildings (SIC 41201); Buying and selling of own real estate (SIC 68100); Other letting and operating of own or leased real estate (SIC 68209).
How old is John A Long Ltd?
John A Long Ltd was incorporated on 13 January 2025, 1 year ago.
What is the penalty if John A Long 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 John A Long 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.