- Companies
- Installers
- Milton Keynes
- Reactive Doors Ltd
Reactive Doors Ltd
- Company number
- 06863898
- Incorporated
- 31 Mar 200917 years trading
- Registered office
- Unit 6 Cromwell Business Park, Newport Pagnell, Milton Keynes, Buckinghamshire, MK16 9QS
- Nature of business
- Other construction installation
Reactive Doors Ltd is a 17-year-old private limited company registered in Milton Keynes, company number 06863898, one of 128 installation companies (insulation, lifts, shutters and similar) in Milton Keynes. Its next accounts are due at Companies House on 31 December 2027, and the CT600 for the period to 31 March 2027 is due at HMRC on 31 March 2028.
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 £32K (-5.8%) on the year before, to £520K.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £711K against £301K owed within a year: 2.4 times cover.
- 10 employees on average during the year.
- Balance sheets on record for 10 years, 2017 to 2026.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 31 Mar 2026 | £520K | £155K | £711K | £301K | 10 |
| 31 Mar 2025 | £552K | £155K | £798K | £361K | 10 |
| 31 Mar 2024 | £426K | £109K | £575K | £268K | 10 |
| 31 Mar 2023 | £458K | £107K | £555K | £237K | 4 |
| 31 Mar 2022 | £330K | £74K | £471K | £207K | 10 |
| 31 Mar 2021 | £313K | £83K | £451K | £164K | 9 |
| 31 Mar 2020 | £263K | £99K | £415K | £188K | 8 |
| 31 Mar 2019 | £230K | £68K | £278K | £81K | 7 |
| 31 Mar 2018 | £224K | £107K | £269K | £93K | 6 |
| 31 Mar 2017 | £127K | £14K | £217K | £108K | 6 |
Public contracts won
Reactive Doors Ltd has 3 public sector contract awards on record; the ones with their own published value total £47K, from 2017 to 2019. Source: Contracts Finder and Find a Tender award notices. These were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- Buckinghamshire County Council3 awards
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| Buckinghamshire County Council | Hughenden Primary School | £17K | 1 Dec 2019 |
| Buckinghamshire County Council | Millbrook ALC - Entrance Doors | £6,500 | 30 Aug 2018 |
| Buckinghamshire County Council | Furze Down School - Powered Doors | £24K | 10 Jul 2017 |
Where Reactive Doors Ltd is registered
The registered office is in Milton Keynes (MK16), in the Milton Keynes local authority area, South East. Show MK16 9QS on a map.
Other trade companies in MK16
- Oakstone Tree Care LtdLandscapers and gardeners
- Resolution Homes WT LtdProperty developers
- Resolution Homes WR LtdProperty developers
- Milton Keynes Driveways & Landscaping LtdBuilders
- Resolution Homes WM LtdProperty developers
- Eway Construction LtdBuilders
- Valora Homes LtdProperty developers
- MK Cleaning FM LtdCleaning companies
What happens if Reactive Doors 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 December 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Jan 2028 to 31 Jan 2028 | £150 |
| 1 to 3 months late | 1 Feb 2028 to 31 Mar 2028 | £375 |
| 3 to 6 months late | 1 Apr 2028 to 30 Jun 2028 | £750 |
| More than 6 months late | From 1 Jul 2028 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Apr 2028 | £200 |
| 3 months late | 30 Jun 2028 | another £200 |
| 6 months late | 30 Sep 2028 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 31 Mar 2029 | 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
- 06863898
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 31 March 2009 (17 years ago)
- Registered office
- Unit 6 Cromwell Business Park, Newport Pagnell, Milton Keynes, Buckinghamshire, MK16 9QS
- Nature of business
- Other construction installation (SIC 43290)
- Year end
- 31 March (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 31 March 2026
- Last confirmation statement
- 23 December 2025
- Charges (mortgages)
- 1 outstanding of 1 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 Milton Keynes
Other active installation companies (insulation, lifts, shutters and similar) registered in Milton Keynes.
- Red Hat Rigging Ltd2023
- Reimundo Limited2026
- Renewable Solutioners Ltd2021
- Retailguard Ai Ltd2026
- RGH Contractors Limited2025
- RMG Contractors Limited2007
- Rus Dumitru Jus Ltd2023
- Sanbero Ltd2023
All installation companies (insulation, lifts, shutters and similar) in Milton Keynes · All trades in Milton Keynes · Installers across the UK
Frequently asked questions
When are Reactive Doors Ltd's accounts due?
Reactive Doors Ltd's next accounts are due at Companies House by 31 December 2027 (in 444 days), covering the period to 31 March 2027.
When is Reactive Doors Ltd's CT600 due?
The CT600 for the period to 31 March 2027 is due at HMRC by 31 March 2028, 12 months after the period end. The corporation tax itself is payable earlier, by 1 January 2028.
Is Reactive Doors Ltd still trading?
Reactive Doors 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 Reactive Doors Ltd do?
Reactive Doors Ltd is registered under Other construction installation (SIC 43290).
How old is Reactive Doors Ltd?
Reactive Doors Ltd was incorporated on 31 March 2009, 17 years ago.
Has Reactive Doors Ltd won public sector contracts?
Yes. Reactive Doors Ltd has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £47K), most recently from Buckinghamshire County Council.
What is the penalty if Reactive Doors 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 Reactive Doors 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.