- Companies
- Electricians
- Windsor
- Excelsior Projects Limited
Excelsior Projects Limited
- Company number
- 11062223
- Incorporated
- 14 Nov 20178 years trading
- Registered office
- 38 Redford Road, Windsor, Berkshire, SL4 5SS
- Nature of business
- Electrical installation
Excelsior Projects Limited is a 8-year-old private limited company registered in Windsor, company number 11062223, one of 22 electrical contractors in Windsor. Its next accounts are due at Companies House on 31 August 2027, and the CT600 for the period to 30 November 2026 is due at HMRC on 30 November 2027.
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 down £5,556 (-45.5%) on the year before, to -£18K.
- Net assets rose in 2 of 7 year-on-year comparisons on record.
- Current assets of £4,651 against £29K owed within a year: 0.2 times cover.
- 1 employee on average during the year.
- Balance sheets on record for 8 years, 2018 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | -£18K | £4,651 | £29K | 1 | |
| 30 Nov 2024 | -£12K | £11K | £32K | 1 | |
| 30 Nov 2023 | -£16K | £4,207 | £32K | 1 | |
| 30 Nov 2022 | -£14K | £6,558 | £34K | 1 | |
| 30 Nov 2021 | -£21K | £2,324 | £40K | 1 | |
| 30 Nov 2020 | £14K | £29K | £16K | 1 | |
| 30 Nov 2019 | £15K | £29K | £17K | ||
| 30 Nov 2018 | £23K | £39K | £19K |
Where Excelsior Projects Limited is registered
The registered office is in Windsor (SL4), in the Windsor and Maidenhead local authority area, South East. Show SL4 5SS on a map.
Other trade companies in SL4
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- Time Watch Repair Watford LtdRepair services
- Mobile Tyre Services 24/7 LtdMechanics and garages
- Hullscrub Thames LtdCleaning companies
- Black Rose Automotive Group LtdMotor traders
- Maldec Hatchet Farm LimitedProperty developers
- Pinehill Homes Partnerships LtdProperty developers
- Heatsense Renewables LtdElectricians
What happens if Excelsior 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 31 August 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Sep 2027 to 30 Sep 2027 | £150 |
| 1 to 3 months late | 1 Oct 2027 to 30 Nov 2027 | £375 |
| 3 to 6 months late | 1 Dec 2027 to 29 Feb 2028 | £750 |
| More than 6 months late | From 1 Mar 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Dec 2027 | £200 |
| 3 months late | 29 Feb 2028 | another £200 |
| 6 months late | 30 May 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Nov 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
- 11062223
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 14 November 2017 (8 years ago)
- Registered office
- 38 Redford Road, Windsor, Berkshire, SL4 5SS
- 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 2025
- Last confirmation statement
- 26 November 2025
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 Windsor
Other active electrical contractors registered in Windsor.
- Heatsense Renewables Ltd2026
- Lighting Logistics Limited2007
- London Building Services Management Ltd2026
- Marks Sparks Limited2022
- Nova Electrical Group Ltd2020
- Sandford Electrical Services Limited1989
- Shades of Light Limited2009
- SL Fire & Electrical Services Limited2012
All electrical contractors in Windsor · All trades in Windsor · Electricians across the UK
Frequently asked questions
When are Excelsior Projects Limited's accounts due?
Excelsior Projects Limited's next accounts are due at Companies House by 31 August 2027 (in 323 days), covering the period to 30 November 2026.
When is Excelsior Projects Limited's CT600 due?
The CT600 for the period to 30 November 2026 is due at HMRC by 30 November 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 September 2027.
Is Excelsior Projects Limited still trading?
Excelsior 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 Excelsior Projects Limited do?
Excelsior Projects Limited is registered under Electrical installation (SIC 43210).
How old is Excelsior Projects Limited?
Excelsior Projects Limited was incorporated on 14 November 2017, 8 years ago.
What is the penalty if Excelsior 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 Excelsior 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.