- Companies
- Property developers
- Harrow
- Slate Space Ltd
Slate Space Ltd
- Company number
- 12116786
- Incorporated
- 23 Jul 20197 years trading
- Registered office
- 25 Christchurch Avenue, Harrow, HA3 8ND
- Nature of business
- Development of building projects
Slate Space Ltd is a 7-year-old private limited company registered in Harrow, company number 12116786, one of 679 property development companies in Harrow. Companies House shows its accounts as overdue: they were due on 24 March 2026.
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 up £23K (+789.7%) on the year before, to £26K.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £130K against £34K owed within a year: 3.8 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 5 years, 2020 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 29 Mar 2024 | £26K | £130K | £34K | 1 | |
| 30 Mar 2023 | £2,914 | £151K | £78K | 1 | |
| 30 Mar 2022 | £118 | £136K | £48K | 1 | |
| 30 Mar 2021 | £2,123 | £173K | £30K | 1 | |
| 31 Mar 2020 | £496 | £85K | £33K | 1 |
Where Slate Space Ltd is registered
The registered office is in Harrow (HA3), in the Harrow local authority area, London. Show HA3 8ND on a map.
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What happens if Slate Space Ltd files late
If the accounts reach Companies House today, the late filing penalty is £1,500 (£3,000 if last year's accounts were also late). It rises at each step below.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 25 Mar 2026 to 24 Apr 2026 | £150 |
| 1 to 3 months late | 25 Apr 2026 to 24 Jun 2026 | £375 |
| 3 to 6 months late | 25 Jun 2026 to 24 Sep 2026 | £750 |
| More than 6 months late | From 25 Sep 2026 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 25 Jun 2026 | £200 |
| 3 months late | 24 Sep 2026 | another £200 |
| 6 months late | 24 Dec 2026 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 24 Jun 2027 | 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
- 12116786
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 23 July 2019 (7 years ago)
- Registered office
- 25 Christchurch Avenue, Harrow, HA3 8ND
- Nature of business
- Development of building projects (SIC 41100)
- Year end
- 28 March (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 29 March 2024
- Last confirmation statement
- 22 July 2026
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 Harrow
Other active property development companies registered in Harrow.
- Smart Eco Homes Ltd2023
- Snowden Developments Limited2016
- Solent Capital Partners Ltd2014
- Solution Carpentry Limited2017
- South East Ventures Ltd2013
- Southwest Projects Limited2022
- Spacev Limited2022
- Sparkshire Development Limited2020
All property development companies in Harrow · All trades in Harrow · Property developers across the UK
Frequently asked questions
When are Slate Space Ltd's accounts due?
Slate Space Ltd's accounts were due at Companies House on 24 March 2026 and the register shows them as overdue.
When is Slate Space Ltd's CT600 due?
The first accounts cover more than 12 months, so there are two Company Tax Returns: one for the 12 months to 29 March 2025, due by 29 March 2026, and one for the period to 24 June 2025, due by 24 June 2026. Corporation tax is payable 9 months and 1 day after the end of each.
Is Slate Space Ltd still trading?
Slate Space Ltd is listed as active on the Companies House register (checked 12 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 Slate Space Ltd do?
Slate Space Ltd is registered under Development of building projects (SIC 41100).
How old is Slate Space Ltd?
Slate Space Ltd was incorporated on 23 July 2019, 7 years ago.
What is the penalty if Slate Space 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 Slate Space Ltd on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026, rechecked 12 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.