- Companies
- Property developers
- London
- Tectonic Gains Limited
Tectonic Gains Limited
- Company number
- 16532193
- Incorporated
- 20 Jun 20251 year trading
- Registered office
- Flat 3, Ment House, 1B Mentmore Terrace, London, E8 3DQ
- Nature of business
- Development of building projects; Buying and selling of own real estate
Tectonic Gains Limited is a 1-year-old private limited company registered in London, company number 16532193, one of 14,100 property development companies in London. Its next accounts are due at Companies House on 20 March 2027, and its first CT600 is due at HMRC on 19 June 2027.
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.
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Where Tectonic Gains Limited is registered
The registered office is in London (E8), in the Hackney local authority area, London. Show E8 3DQ on a map.
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Also registered at this address
1 other company uses the same registered office as Tectonic Gains Limited.
- Boom Boom LimitedProperty developers
What happens if Tectonic Gains 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 20 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 21 Mar 2027 to 20 Apr 2027 | £150 |
| 1 to 3 months late | 21 Apr 2027 to 20 Jun 2027 | £375 |
| 3 to 6 months late | 21 Jun 2027 to 20 Sep 2027 | £750 |
| More than 6 months late | From 21 Sep 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 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
- 16532193
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 20 June 2025 (1 year ago)
- Registered office
- Flat 3, Ment House, 1B Mentmore Terrace, London, E8 3DQ
- Nature of business
- Development of building projects (SIC 41100)
Buying and selling of own real estate (SIC 68100) - Year end
- 30 June (accounting reference date)
- Accounts type
- No accounts filed yet
- Last confirmation statement
- 19 June 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 London
Other active property development companies registered in London.
- Tectum Investments Ltd2019
- Teddington Developments Limited1999
- Tedrex Ltd2017
- Tees Valley Ventures Limited2005
- Teesdale Court Limited1948
- Teg 24 Limited2024
- Tegg 1 Limited2018
- Tegh Construction Ltd2026
All property development companies in London · All trades in London · Property developers across the UK
Frequently asked questions
When are Tectonic Gains Limited's accounts due?
Tectonic Gains Limited's next accounts are due at Companies House by 20 March 2027 (in 158 days), covering the period to 30 June 2026.
When is Tectonic Gains 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 19 June 2026, due by 19 June 2027, and one for the period to 30 June 2026, due by 30 June 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Tectonic Gains Limited still trading?
Tectonic Gains 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 Tectonic Gains Limited do?
Tectonic Gains Limited is registered under Development of building projects (SIC 41100); Buying and selling of own real estate (SIC 68100).
How old is Tectonic Gains Limited?
Tectonic Gains Limited was incorporated on 20 June 2025, 1 year ago.
What is the penalty if Tectonic Gains 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 Tectonic Gains 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.