- Companies
- Plumbers and heating engineers
- Sevenoaks
- London & Kent Air Conditioning Limited
London & Kent Air Conditioning Limited
- Company number
- 04306387
- Incorporated
- 17 Oct 200124 years trading
- Registered office
- Unit 20 Bourne Enterprise Centre, Borough Green, Sevenoaks, Kent, TN15 8DG
- Nature of business
- Plumbing, heat and air-conditioning installation
London & Kent Air Conditioning Limited is a 24-year-old private limited company registered in Sevenoaks, company number 04306387, one of 60 plumbing and heating companies in Sevenoaks. 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.
Is this your company?
File the accounts to Companies House and the CT600 to HMRC yourself with A.X.E.L Filing. One set of questions, both filings, £49 flat. No accountant, no subscription.
File for London & Kent Air Conditioning LimitedOr get a reminder before each deadline
Free. We email you 60, 30, 14, 7 and 1 days before the accounts, CT600 and confirmation statement are due. Unsubscribe in one click.
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 £334K (+23.8%) on the year before, to £1.7M.
- Net assets rose in 7 of 9 year-on-year comparisons on record.
- Current assets of £2.2M against £485K owed within a year: 4.5 times cover.
- 10 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Nov 2025 | £1.7M | £580K | £2.2M | £485K | 10 |
| 30 Nov 2024 | £1.4M | £686K | £1.8M | £434K | 10 |
| 30 Nov 2023 | £1.6M | £982K | £2M | £384K | 10 |
| 30 Nov 2022 | £1.5M | £922K | £2M | £403K | 10 |
| 30 Nov 2021 | £1.2M | £1.2M | £1.6M | £421K | 10 |
| 30 Nov 2020 | £731K | £696K | £1.4M | £652K | 10 |
| 30 Nov 2019 | £409K | £14K | £856K | £464K | 10 |
| 30 Nov 2018 | £291K | £285K | £670K | £415K | 10 |
| 30 Nov 2017 | £134K | £619 | £607K | £531K | 8 |
| 30 Nov 2016 | £228K | £80K | £663K | £438K |
Public contracts won
London & Kent Air Conditioning Limited has 3 public sector contract awards on record; the ones with their own published value total £158K, from 2019 to 2025. Source: Contracts Finder and Find a Tender award notices. 1 of these were matched by the company's exact name because the notice gave no company number.
Awards by year
Main buyers
- London Borough of Bexley1 award
- London Borough Of Bromley1 award
- London Borough of Hammersmith & Fulham1 award
| Buyer | Contract | Value | Awarded |
|---|---|---|---|
| London Borough of Bexley | Boiler Replacement | £37K | 14 Aug 2025 |
| London Borough Of Bromley | Mechanical and Electrical Reactive Maintenance 2021 | £50K | 30 Sep 2021 |
| London Borough of Hammersmith & Fulham | Avonmore /Barns Court Library Boiler Replacement | £72K | 10 Oct 2019 |
Where London & Kent Air Conditioning Limited is registered
The registered office is in Sevenoaks (TN15), in the Tonbridge and Malling local authority area, South East. Show TN15 8DG on a map.
Other trade companies in TN15
- Ecd Developments LtdProperty developers
- Youngs Developments LimitedProperty developers
- TJK Riding Farm LimitedInstallers
- GWS Automotive Solutions LtdMechanics and garages
- G.R. Regan Roofing and Solar LimitedRoofers
- Apex Tail Lifts LtdMechanics and garages
- Paddy’S Pipes Plumbing & Drainage LtdPlumbers and heating engineers
- LK Roofing Group LtdRoofers
What happens if London & Kent Air Conditioning 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
- 04306387
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 17 October 2001 (24 years ago)
- Registered office
- Unit 20 Bourne Enterprise Centre, Borough Green, Sevenoaks, Kent, TN15 8DG
- Nature of business
- Plumbing, heat and air-conditioning installation (SIC 43220)
- Year end
- 30 November (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 November 2025
- Last confirmation statement
- 17 October 2025
- Charges (mortgages)
- 1 outstanding of 1 registered
Filing notes for plumbing and heating companies
Plumbing and heating companies frequently work under CIS for main contractors and also directly for homeowners, so turnover can mix CIS and non-CIS income.
Similar companies in Sevenoaks
Other active plumbing and heating companies registered in Sevenoaks.
- London Plumbing Repairs Ltd2020
- Luke's Heating & Plumbing Ltd2023
- Luxury Property Maintenance London Ltd2021
- M & B Site Services Ltd2026
- M. Allen Heating & Plumbing Limited2015
- MWP Air Conditioning Limited2024
- Oakhurst Property Services Ltd2005
- Paddy’S Pipes Plumbing & Drainage Ltd2026
All plumbing and heating companies in Sevenoaks · All trades in Sevenoaks · Plumbers and heating engineers across the UK
Frequently asked questions
When are London & Kent Air Conditioning Limited's accounts due?
London & Kent Air Conditioning Limited's next accounts are due at Companies House by 31 August 2027 (in 322 days), covering the period to 30 November 2026.
When is London & Kent Air Conditioning 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 London & Kent Air Conditioning Limited still trading?
London & Kent Air Conditioning 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 London & Kent Air Conditioning Limited do?
London & Kent Air Conditioning Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).
How old is London & Kent Air Conditioning Limited?
London & Kent Air Conditioning Limited was incorporated on 17 October 2001, 24 years ago.
Has London & Kent Air Conditioning Limited won public sector contracts?
Yes. London & Kent Air Conditioning Limited has 3 contract awards from public bodies on Contracts Finder and Find a Tender (those with their own published value total £158K), most recently from London Borough of Bexley.
What is the penalty if London & Kent Air Conditioning 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 London & Kent Air Conditioning 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.