What type of planning application is most likely to be approved in Havering?

Conservatory at 83.7% based on 625 decisions.

What is hardest to get planning permission for in Havering?

HMO at 22.5% based on 191 decisions.

How do approval rates vary by project type in Havering?

From 83.7% (Conservatory) to 22.5% (HMO). What you build matters as much as where you build it.

Most Common Planning Applications in Havering

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Havering is 61.2% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

19,145 real decisions·17 project types·Updated September 2026

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All 17 project types ranked

#	Type	Decisions	Approved	Refused	Rate
1	Conservatory	625	523	102	83.7%
2	Rear Extension	8,687	7,129	1,558	82.1%
3	Hip-to-Gable Conversion	1,726	1,412	314	81.8%
4	Wraparound Extension	522	410	112	78.5%
5	Dormer	4,075	3,179	896	78.0%
6	Loft Conversion	2,419	1,876	543	77.6%
7	Outbuilding	1,622	1,251	371	77.1%
8	Side Extension	3,301	2,543	758	77.0%
9	Garage / Parking	4,363	3,345	1,018	76.7%
10	Front Extension	1,090	827	263	75.9%
11	New Build	967	732	235	75.7%
12	Extension (General)	728	544	184	74.7%
13	Annex	311	218	93	70.1%
14	Basement	90	59	31	65.6%
15	Change of Use (Residential)	1,286	769	517	59.8%
16	Flat Conversion	322	190	132	59.0%
17	HMO	191	43	148	22.5%

See how this applies to your postcode →

These are council averages. Your property is specific.

A conservatory application has a 83.7% approval rate. HMO? Just 22.5%.
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What the data tells us

The range is massive: 22.5% to 83.7%. Choosing the right project type — or framing your application correctly — can dramatically affect outcomes.

Visibility drives scrutiny. Project types that change the external appearance — dormers, loft conversions, hip-to-gable — face more resistance than those that don't. The more visible your proposal, the more carefully it needs designing.

These are council-wide averages. Your ward, your street and your immediate neighbours all shift the odds. The comparable decisions near your property are the best indicator of outcome.

Before you spend £5,000+ on architects and drawings

4,125 planning applications in Havering have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A free, property-specific report shows you what gets approved — and what gets refused — near your property.

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More Havering planning data

Nearby councils project type rankings

Methodology: Classifies 19,145 decisions in Havering into residential project types using keyword matching against proposal descriptions (matching generate_site_data.py subtype rules). A single application may appear in multiple categories. Data from Havering Council's public planning portal, January 2020 to September 2026. Full methodology →