- Companies
- Installers
- Ashford
- Mercury Windows Limited
Mercury Windows Limited
- Company number
- 03095529
- Incorporated
- 25 Aug 199531 years trading
- Registered office
- Mercury Windows, Tutt Hill, Maidstone Road, Hothfield, Ashford, Kent, TN26 1AW
- Nature of business
- Other construction installation; Glazing
Mercury Windows Limited is a 31-year-old private limited company registered in Ashford, company number 03095529, one of 81 installation companies (insulation, lifts, shutters and similar) in Ashford. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 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 £688 (-94.9%) on the year before, to £37.
- Net assets rose in 3 of 9 year-on-year comparisons on record.
- Current assets of £76K against £78K owed within a year: 1.0 times cover.
- 6 employees on average, down from 7 the year before.
- Balance sheets on record for 10 years, 2015 to 2024.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Sep 2024 | £37 | £76K | £78K | 6 | |
| 30 Sep 2023 | £725 | £92K | £78K | 7 | |
| 30 Sep 2022 | £4,271 | £134K | £102K | 9 | |
| 30 Sep 2021 | £6,916 | £135K | £91K | 9 | |
| 30 Sep 2020 | £11K | £156K | £92K | 0 | |
| 30 Sep 2019 | -£15K | £148K | £152K | ||
| 30 Sep 2018 | -£19K | £152K | £153K | ||
| 30 Sep 2017 | £457 | £180K | £153K | 9 | |
| 30 Sep 2016 | -£7,167 | £132K | £116K | ||
| 30 Sep 2015 | £3,607 | £129K | £123K |
Who runs and owns Mercury Windows Limited
From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.
Officer
| Name | Role | Appointed |
|---|---|---|
| M*** W*** | Director | Oct 1998 |
8 former officers
| Name | Role | Appointed | Left |
|---|---|---|---|
| S*** W*** | Secretary | May 1998 | May 2013 |
| J*** W*** | Secretary | Aug 1995 | May 1998 |
| Chettleburgh International Limited | Corporate Nominee Secretary | Aug 1995 | Aug 1995 |
| K*** H*** | Director | Oct 2014 | Oct 2015 |
| L*** M*** | Director | Oct 2014 | Feb 2026 |
| B*** O*** | Director | Jan 1998 | May 2000 |
| S*** W*** | Director | Apr 2003 | May 2013 |
| R*** W*** | Director | Aug 1995 | May 1998 |
Person with significant control
Charges (secured borrowing)
3 of 3 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.
| Lender | Status | Registered |
|---|---|---|
| Midland Bank PLC | Outstanding | Aug 1999 |
| Midland Bank PLC | Outstanding | Aug 1999 |
| Midland Bank PLC | Outstanding | Jun 1998 |
Where Mercury Windows Limited is registered
The registered office is in Ashford (TN26), in the Ashford local authority area, South East. Show TN26 1AW on a map.
Other trade companies in TN26
- Equestrian Arenas (HS) LtdCivil engineering
- Apex Roofing & Guttering Solutions LtdRoofers
- Clarus Homes (Rolvenden) LimitedProperty developers
- Fairlight Contractors LimitedSpecialist contractors
- Fast Fix Plumbers LimitedPlumbers and heating engineers
- Solvex Energy and IT LtdElectricians
- Adapt Services Group LtdFinishing trades
- E&JB Property Services LtdFacilities management
What happens if Mercury Windows 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 June 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jul 2027 to 31 Jul 2027 | £150 |
| 1 to 3 months late | 1 Aug 2027 to 30 Sep 2027 | £375 |
| 3 to 6 months late | 1 Oct 2027 to 31 Dec 2027 | £750 |
| More than 6 months late | From 1 Jan 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Oct 2027 | £200 |
| 3 months late | 30 Dec 2027 | another £200 |
| 6 months late | 30 Mar 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Sep 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
- 03095529
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 25 August 1995 (31 years ago)
- Registered office
- Mercury Windows, Tutt Hill, Maidstone Road, Hothfield, Ashford, Kent, TN26 1AW
- Nature of business
- Other construction installation (SIC 43290)
Glazing (SIC 43342) - Year end
- 30 September (accounting reference date)
- Accounts type
- Micro-entity
- Last accounts made up to
- 30 September 2025
- Last confirmation statement
- 25 September 2025
- Charges (mortgages)
- 3 outstanding of 3 registered
Filing notes for installation companies (insulation, lifts, shutters and similar)
Installation companies (insulation, lifts, shutters, solar and similar) often buy stock and equipment up front, so stock at the year end and capital allowances both affect the tax bill.
Similar companies in Ashford
Other active installation companies (insulation, lifts, shutters and similar) registered in Ashford.
- MH Street Services Limited2016
- Mid Kent Resin Finish Limited2020
- Mission Appliances Limited2019
- Moore Storage Ltd2003
- Muscle-Tech Fire & Security Ltd2026
- Nepalese Gurkha Work Force Ltd2026
- Oakwood Buildings Framing Ltd2022
- PCN Construction Ltd2026
All installation companies (insulation, lifts, shutters and similar) in Ashford · All trades in Ashford · Installers across the UK
Frequently asked questions
When are Mercury Windows Limited's accounts due?
Mercury Windows Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.
When is Mercury Windows Limited's CT600 due?
The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.
Is Mercury Windows Limited still trading?
Mercury Windows Limited 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 Mercury Windows Limited do?
Mercury Windows Limited is registered under Other construction installation (SIC 43290); Glazing (SIC 43342).
How old is Mercury Windows Limited?
Mercury Windows Limited was incorporated on 25 August 1995, 31 years ago.
Who runs Mercury Windows Limited?
Mercury Windows Limited has 1 active director, the longest-serving appointed in Oct 1998. Their names and service addresses are on the Companies House register.
Who owns Mercury Windows Limited?
One person or company has significant control of Mercury Windows Limited: Tutt Hill Property Limited (owns 75% or more of the shares).
What is the penalty if Mercury Windows 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 Mercury Windows Limited 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.