- Companies
- Property developers
- Bromley
- Blackline Projects Limited
Blackline Projects Limited
- Company number
- 17014914
- Incorporated
- 5 Feb 2026
- Registered office
- 84 Keedonwood Road, Bromley, BR1 4QN
- Nature of business
- Development of building projects
Blackline Projects Limited is a newly incorporated private limited company registered in Bromley, company number 17014914, one of 165 property development companies in Bromley. Its next accounts are due at Companies House on 5 November 2027, and its first CT600 is due at HMRC on 4 February 2028.
Key dates
This company has not filed accounts yet. First accounts are due 21 months after incorporation, and the first period can run longer than a year.
Is this your company?
File the first 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 Blackline Projects 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.
Where Blackline Projects Limited is registered
The registered office is in Bromley (BR1), in the Lewisham local authority area, London. Show BR1 4QN on a map.
Other trade companies in BR1
- Selvaa LimitedRepair services
- E.Esoteric LimitedElectricians
- Ideal Move Properties LimitedProperty developers
- Slick Moves London LtdMachinery repair and installation
- Greenwoods Home & Garden Services LimitedCleaning companies
- Primecroft Group LtdBuilders
- Rapid Emergency Plumbers London LtdPlumbers and heating engineers
- Faspen LtdCleaning companies
What happens if Blackline Projects 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 5 November 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 6 Nov 2027 to 5 Dec 2027 | £150 |
| 1 to 3 months late | 6 Dec 2027 to 5 Feb 2028 | £375 |
| 3 to 6 months late | 6 Feb 2028 to 5 May 2028 | £750 |
| More than 6 months late | From 6 May 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 29 Feb 2028 | £200 |
| 3 months late | 28 May 2028 | another £200 |
| 6 months late | 28 Aug 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 17014914
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 5 February 2026
- Registered office
- 84 Keedonwood Road, Bromley, BR1 4QN
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 28 February (accounting reference date)
- Accounts type
- No accounts filed yet
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 Bromley
Other active property development companies registered in Bromley.
- Bntsb Limited2023
- Borvis Limited2020
- Brayground Limited2020
- Britton Street Developments Limited2017
- Buckland Property Developments Ltd2026
- Built by the Ridge Ltd2025
- Bulmer Road Industrial Estate Limited2025
- C & M Ringwood Developments Limited2014
All property development companies in Bromley · All trades in Bromley · Property developers across the UK
Frequently asked questions
When are Blackline Projects Limited's accounts due?
Blackline Projects Limited's next accounts are due at Companies House by 5 November 2027 (in 389 days), covering the period to 28 February 2027.
When is Blackline Projects Limited's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 4 February 2027, due by 4 February 2028, and one for the period to 28 February 2027, due by 28 February 2028. Corporation tax is payable 9 months and 1 day after the end of each.
Is Blackline Projects Limited still trading?
Blackline Projects 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 Blackline Projects Limited do?
Blackline Projects Limited is registered under Development of building projects (SIC 41100).
How old is Blackline Projects Limited?
Blackline Projects Limited was incorporated on 5 February 2026, less than a year ago.
What is the penalty if Blackline Projects 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 Blackline Projects 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.