- Companies
- Electricians
- Borehamwood
- Advanced Thermal Applications Limited
Advanced Thermal Applications Limited
- Company number
- 14482917
- Incorporated
- 14 Nov 20223 years trading
- Registered office
- Cubix Borehamwood 5 Oaks Court, Warwick Road, Borehamwood, WD6 1GS
- Nature of business
- Electrical installation
Advanced Thermal Applications Limited is a 3-year-old private limited company registered in Borehamwood, company number 14482917, one of 68 electrical contractors in Borehamwood. Its next accounts are due at Companies House on 30 November 2026, and its first CT600 is due at HMRC on 30 November 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 unchanged on the year before, at £300.
- 1 employee on average during the year.
- Balance sheets on record for 2 years, 2023 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2024 | £300 | £300 | 1 | ||
| 30 Nov 2023 | £300 | £300 | 1 |
Where Advanced Thermal Applications Limited is registered
The registered office is in Borehamwood (WD6), in the Hertsmere local authority area, East of England. Show WD6 1GS on a map.
Other trade companies in WD6
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- Clements Hall (Contracts) LtdFloor and wall tilers
- P & P Roofing & Guttering LimitedProperty developers
- Stern Landscaping LtdLandscapers and gardeners
- Complete Paint & Decor LtdPainters and decorators
- 1ST Response Plumbing and Heating LimitedPlumbers and heating engineers
- Ideal Casa Construction LtdInstallers
- Gallop Construction LimitedBuilders
Also registered at this address
6 other companies use the same registered office as Advanced Thermal Applications Limited.
- Ah (Wem) LtdProperty developers
- Ah (Whitchurch) LtdProperty developers
- Amp Construction London LtdSpecialist contractors
- H H Maintenance LimitedInstallers
- HH Group Holdings LimitedBuilders
- HH M&E LimitedBuilders
What happens if Advanced Thermal Applications 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 30 November 2026.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Dec 2026 to 31 Dec 2026 | £150 |
| 1 to 3 months late | 1 Jan 2027 to 28 Feb 2027 | £375 |
| 3 to 6 months late | 1 Mar 2027 to 31 May 2027 | £750 |
| More than 6 months late | From 1 Jun 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Mar 2027 | £200 |
| 3 months late | 28 May 2027 | another £200 |
| 6 months late | 28 Aug 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 28 Feb 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
- 14482917
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 November 2022 (3 years ago)
- Registered office
- Cubix Borehamwood 5 Oaks Court, Warwick Road, Borehamwood, WD6 1GS
- Nature of business
- Electrical installation (SIC 43210)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 November 2024
- Last confirmation statement
- 18 March 2026
Filing notes for electrical contractors
Electrical contracting companies are often a director plus a van and tools. Most fall within the micro-entity rules, so the accounts filed at Companies House are short, and the CT600 carries the tax detail.
Similar companies in Borehamwood
Other active electrical contractors registered in Borehamwood.
- Ajb Installations and Repairs Ltd2026
- Alg Watford Ltd2021
- Alumen Electrical Ltd2025
- Amza DC Ltd2019
- Ario Electrical Services Limited2017
- Asa Electrical Limited2006
- Ax Electrical Services Ltd2021
- B.O.M Network Ltd2023
All electrical contractors in Borehamwood · All trades in Borehamwood · Electricians across the UK
Frequently asked questions
When are Advanced Thermal Applications Limited's accounts due?
Advanced Thermal Applications Limited's next accounts are due at Companies House by 30 November 2026 (in 48 days), covering the period to 28 February 2026.
When is Advanced Thermal Applications 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 30 November 2025, due by 30 November 2026, and one for the period to 28 February 2026, due by 28 February 2027. Corporation tax is payable 9 months and 1 day after the end of each.
Is Advanced Thermal Applications Limited still trading?
Advanced Thermal Applications 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 Advanced Thermal Applications Limited do?
Advanced Thermal Applications Limited is registered under Electrical installation (SIC 43210).
How old is Advanced Thermal Applications Limited?
Advanced Thermal Applications Limited was incorporated on 14 November 2022, 3 years ago.
What is the penalty if Advanced Thermal Applications 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 Advanced Thermal Applications 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.