A proposed Class E garage in Luton has been found lawful even though the council questioned whether a vehicle crossover from Howard Close could actually be secured.
The appeal is a useful reminder that planning permission, highway approval and private rights are different legal questions. A problem with one does not automatically decide the others.
The Class E garage was a proposed lawful development certificate
The appeal concerned 36 Letchworth Road, Luton. Mr Mohammed Faiz had applied for a certificate of lawfulness for the proposed erection of a garage outbuilding for parking one vehicle.
Luton Borough Council refused application 24/01090/LAWP on 22nd November 2024. The appeal, APP/B0230/X/24/3356927, was allowed by Inspector Chris Preston on 4th September 2026 and a certificate was issued.
A proposed lawful development certificate under section 192 of the Town and Country Planning Act 1990 is not an application for planning permission. The question is whether the development described in the application would be lawful for planning purposes if begun at the relevant date. Planning Geek explains the process in our guide to a Certificate of Lawfulness of Proposed Use or Development.
The Inspector found a single-car garage was an ordinary incidental use
The relevant permitted development right was Class E for domestic outbuildings. Class E permits buildings within the curtilage of a dwellinghouse where they are required for a purpose incidental to the enjoyment of the dwellinghouse, subject to its detailed limitations.
The council questioned whether the proposed garage was genuinely required for an incidental purpose. It also pointed to another outbuilding already at the property.
The Inspector found the proposal far removed from difficult cases involving unusually large buildings or an owner’s unrestrained wish for additional accommodation. A modest structure intended to park a single private car was a typical domestic garage and a perfectly ordinary incidental use.
Class E does not limit a house to one outbuilding
The existence of another outbuilding did not prevent the proposed garage from qualifying. The existing structure had been described as a garden building used for storage, while the proposal served a different purpose.
The Inspector noted that Class E does not impose a rule allowing only one outbuilding per property. Houses commonly have a combination of sheds, garages, summerhouses and similar structures serving different incidental functions.
That does not mean the number and scale of existing outbuildings are irrelevant. They can still form part of the judgement about whether further development is genuinely incidental and proportionate to the dwellinghouse. On the facts here, the combined development remained modest.
The dropped kerb was a separate legal question
The rear garden backs onto Howard Close. Luton questioned whether the appellant had a right of access over a narrow strip of land and whether the council’s highway team would approve another vehicle crossover.
The Inspector considered that the council had mixed those issues with the planning-law question. The Government’s lawful development certificate guidance is clear that a certificate deals only with lawfulness under planning legislation. Other permissions, licences and private rights may still be required.
On the planning facts before him, Howard Close was not a classified road and the Inspector considered that creation of the means of access would itself fall within Part 2 Class B of the GPDO because it was required in connection with the permitted garage.
Whether the highway authority would allow the physical dropped crossing under its separate powers or operating procedures was therefore not determinative of whether the proposed garage itself was lawful in planning terms.
A lawful certificate does not solve every access problem
This is where the limitation matters. The Inspector did not grant a general certificate for any building that might be put in the rear garden. The certificate was for a garage erected and used to park a vehicle in accordance with the proposal and plans.
If the appellant could not secure vehicle access and then built or used something materially different, the certificate would not automatically make that different development lawful. It might have its own permitted development route, but that would require a separate assessment.
The same principle applies more widely. A planning permission or lawful development certificate does not give a person rights over someone else’s land, does not itself authorise highway works under separate legislation and does not replace Building Regulations or other consents.
The site visit revealed a different structure already on the land
There was an unusual practical wrinkle. At the Inspector’s site visit, a structure had already been erected broadly where the proposed garage was shown. It had no garage door, had a double-glazed window with net curtains and appeared different in both design and use from the proposal before the Inspector.
The Inspector expressly made no finding about whether that structure was lawful. The appeal concerned only the proposed single-car garage shown on the certificate application plans.
That distinction is worth keeping in mind when using a proposed certificate. The certificate protects the development it actually describes. It is not a retrospective approval for something else simply because the structures occupy a similar part of the site.
Luton’s costs decision went the other way
The appellant also applied for a full award of appeal costs against Luton. That application was refused.
The costs decision is nuanced. The Inspector said the council had become side-tracked by matters outside planning legislation, particularly private access and whether highway approval for a dropped kerb would ultimately be given.
However, the council had been entitled to consider the existing outbuilding when judging whether another building was reasonably required and incidental. It was also not wholly unreasonable to ask how a proposed car garage would function if vehicle access was uncertain. Importantly, evidence that the appellant owned the strip of land was only provided at appeal stage.
The Inspector therefore disagreed with the council’s conclusion but did not find its overall conduct sufficiently unreasonable to justify costs. Planning Geek’s guide to planning appeal costs explains the separate test for unreasonable behaviour and wasted expense.
The practical lesson from the Class E garage appeal
For applicants, the strongest approach is to separate each consent and explain exactly what it does and does not cover.
- Planning lawfulness asks whether the proposed development needs planning permission or benefits from an existing permission such as the GPDO
- Highway consent may separately control physical works to the adopted highway
- Land ownership and rights of way are private-law matters unless they engage a specific planning requirement
- Building Regulations and other regulatory regimes may still apply
- A proposed LDC should describe the intended development precisely because a materially different building or use will not be certified
If a council refuses an LDC, Planning Geek also has a guide to the lawful development certificate appeal route.
Read the appeal and costs decisions
The appeal is APP/B0230/X/24/3356927. Planning Geek hosts the main appeal decision and the separate costs decision in our own library. The Planning Inspectorate case page remains the official case record.
Created: 5th September 2026
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