- Companies
- Property developers
- Swansea
- Warm Tech Ltd
Warm Tech Ltd
- Company number
- 11624134
- Incorporated
- 15 Oct 20187 years trading
- Registered office
- 242 Bonymaen Road, Swansea, SA1 7AT
- Nature of business
- Development of building projects; Electrical installation; Plumbing, heat and air-conditioning installation
Warm Tech Ltd is a 7-year-old private limited company registered in Swansea, company number 11624134, one of 273 property development companies in Swansea. Its next accounts are due at Companies House on 31 October 2026, and its first CT600 is due at HMRC on 31 October 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 £4,600 on the year before, to £4,998.
- Net assets rose in 3 of 4 year-on-year comparisons on record.
- Current assets of £21K against £19K owed within a year: 1.1 times cover.
- 2 employees on average during the year.
- Balance sheets on record for 5 years, 2019 to 2023.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Oct 2023 | £4,998 | £21K | £19K | 2 | |
| 31 Oct 2022 | £398 | £1,856 | 2 | ||
| 31 Oct 2021 | -£158 | £6,298 | £16K | 1 | |
| 31 Oct 2020 | £10K | £20K | £11K | 1 | |
| 31 Oct 2019 | £974 | £3,488 | £8,651 | 1 |
Where Warm Tech Ltd is registered
The registered office is in Swansea (SA1), in the Swansea local authority area, Wales. Show SA1 7AT on a map.
Other trade companies in SA1
- JDS Ringside Customs LtdRepair services
- D & M Carpentry and Construction LimitedCivil engineering
- Westway Window Systems LimitedJoiners and carpenters
- International Classic Car Sales LtdMotor traders
- Edefec LtdBuilders
- Swansea Scaffolding Services LtdScaffolders
- Lou's Paint and Finish LimitedPainters and decorators
- Mesa Property Development LtdProperty developers
What happens if Warm Tech 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 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Nov 2026 to 30 Nov 2026 | £150 |
| 1 to 3 months late | 1 Dec 2026 to 31 Jan 2027 | £375 |
| 3 to 6 months late | 1 Feb 2027 to 30 Apr 2027 | £750 |
| More than 6 months late | From 1 May 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Feb 2027 | £200 |
| 3 months late | 30 Apr 2027 | another £200 |
| 6 months late | 31 Jul 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Jan 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
- 11624134
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 15 October 2018 (7 years ago)
- Registered office
- 242 Bonymaen Road, Swansea, SA1 7AT
- Nature of business
- Development of building projects (SIC 41100)
Electrical installation (SIC 43210)
Plumbing, heat and air-conditioning installation (SIC 43220) - Year end
- 31 October (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 31 October 2024
- Last confirmation statement
- 14 October 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 Swansea
Other active property development companies registered in Swansea.
- Watree Homes Limited2017
- Wellington Bear Property Limited2020
- Wernoleu Road SPV Limited2025
- Westacres Homes Limited2015
- Westhill Developments Holdings Limited2007
- Williams & Son Carpentry & Building Limited2026
- Willow Farm Property Limited2020
- Wisdom House Swansea Ltd2026
All property development companies in Swansea · All trades in Swansea · Property developers across the UK
Frequently asked questions
When are Warm Tech Ltd's accounts due?
Warm Tech Ltd's next accounts are due at Companies House by 31 October 2026 (in 19 days), covering the period to 31 January 2026.
When is Warm Tech 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 31 October 2025, due by 31 October 2026, and one for the period to 31 January 2026, due by 31 January 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Warm Tech Ltd still trading?
Warm Tech 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 Warm Tech Ltd do?
Warm Tech Ltd is registered under Development of building projects (SIC 41100); Electrical installation (SIC 43210); Plumbing, heat and air-conditioning installation (SIC 43220).
How old is Warm Tech Ltd?
Warm Tech Ltd was incorporated on 15 October 2018, 7 years ago.
What is the penalty if Warm Tech 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 Warm Tech 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.