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Oxford Air Conditioning Limited

ActiveTotal exemption (full) accountsPlumbers and heating engineersAbingdon
Company number
05820797
Incorporated
18 May 200620 years trading
Registered office
13 Fitzharris Industrial Estate, Abingdon, Oxfordshire, OX14 1LD
Nature of business
Plumbing, heat and air-conditioning installation
Accounts due in
443 days
31 Dec 2027
Net assets
£496K▲
+35.0% on the year before
Cash at bank
£194K▲
At 31 Mar 2026
Employees
0
Average during the year
From the Companies House register, 1 Oct 2026

Oxford Air Conditioning Limited is a 20-year-old private limited company registered in Abingdon, company number 05820797, one of 37 plumbing and heating companies in Abingdon. 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.

Accounts due
31 Dec 2027
in 443 days
For the period to 31 Mar 2027
CT600 due
31 Mar 2028
in 534 days
Period 1 Apr 2026 to 31 Mar 2027
Corporation tax payment
1 Jan 2028
in 444 days
9 months and 1 day after the period end
Confirmation statement
21 Jun 2027
in 250 days
Last made up to 7 Jun 2026

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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 up £129K (+35%) on the year before, to £496K.
  • Net assets rose in 5 of 9 year-on-year comparisons on record.
  • Current assets of £904K against £504K owed within a year: 1.8 times cover.
  • No employees reported for the latest year (directors are often not counted as employees).
  • Balance sheets on record for 10 years, 2017 to 2026.

Net assets by year

Net assets at each year end, 2017 to 2026£0£200K£400K31 March 2017: net assets £149K£149K201731 March 2018: net assets £149K£149K201831 March 2019: net assets £215K£215K201931 March 2020: net assets £264K£264K202031 March 2021: net assets £135K£135K202131 March 2022: net assets £278K£278K202231 March 2023: net assets £465K£465K202331 March 2024: net assets £412K£412K202431 March 2025: net assets £367K£367K202531 March 2026: net assets £496K£496K2026
Net assets at each year end, 2017 to 2026£0£200K£400K31 March 2017: net assets £149K£149K'1731 March 2018: net assets £149K£149K'1831 March 2019: net assets £215K£215K'1931 March 2020: net assets £264K£264K'2031 March 2021: net assets £135K£135K'2131 March 2022: net assets £278K£278K'2231 March 2023: net assets £465K£465K'2331 March 2024: net assets £412K£412K'2431 March 2025: net assets £367K£367K'2531 March 2026: net assets £496K£496K'26
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
31 Mar 2026£496K£194K£904K£504K0
31 Mar 2025£367K£60K£711K£460K0
31 Mar 2024£412K£155K£680K£401K18
31 Mar 2023£465K£227K£867K£505K19
31 Mar 2022£278K£25K£734K£517K18
31 Mar 2021£135K£142K£520K£424K20
31 Mar 2020£264K£15K£715K£573K2
31 Mar 2019£215K£4,200£613K£515K
31 Mar 2018£149K£2,640£534K£473K
31 Mar 2017£149K£30K£511K£430K

Where Oxford Air Conditioning Limited is registered

Oxford Air Conditioning Limited's registered office on a map of the UK

The registered office is in Abingdon (OX14), in the Vale of White Horse local authority area, South East. Show OX14 1LD on a map.

Other trade companies in OX14

Also registered at this address

1 other company uses the same registered office as Oxford Air Conditioning Limited.

What happens if Oxford 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 December 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jan 2028 to 31 Jan 2028£150
1 to 3 months late1 Feb 2028 to 31 Mar 2028£375
3 to 6 months late1 Apr 2028 to 30 Jun 2028£750
More than 6 months lateFrom 1 Jul 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Apr 2028£200
3 months late30 Jun 2028another £200
6 months late30 Sep 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late31 Mar 2029another 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
05820797
Status
Active
Company type
Private limited company
Incorporated
18 May 2006 (20 years ago)
Registered office
13 Fitzharris Industrial Estate, Abingdon, Oxfordshire, OX14 1LD
Nature of business
Plumbing, heat and air-conditioning installation (SIC 43220)
Year end
31 March (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
31 March 2026
Last confirmation statement
7 June 2026
Charges (mortgages)
0 outstanding of 2 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.

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Frequently asked questions

When are Oxford Air Conditioning Limited's accounts due?

Oxford Air Conditioning Limited's next accounts are due at Companies House by 31 December 2027 (in 443 days), covering the period to 31 March 2027.

When is Oxford Air Conditioning Limited'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 Oxford Air Conditioning Limited still trading?

Oxford 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 Oxford Air Conditioning Limited do?

Oxford Air Conditioning Limited is registered under Plumbing, heat and air-conditioning installation (SIC 43220).

How old is Oxford Air Conditioning Limited?

Oxford Air Conditioning Limited was incorporated on 18 May 2006, 20 years ago.

What is the penalty if Oxford 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 Oxford Air Conditioning Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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