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

Wraparound Extension at 95.5% based on 576 decisions.

What is hardest to get planning permission for in Warwick?

Flat Conversion at 61.9% based on 21 decisions.

How do approval rates vary by project type in Warwick?

From 95.5% (Wraparound Extension) to 61.9% (Flat Conversion). What you build matters as much as where you build it.

Most Common Planning Applications in Warwick

Not all planning applications are created equal. The gap between the highest and lowest approval project type in Warwick is 33.6% — that's the difference between near-certainty and a coin flip. What you build matters as much as where you build it.

12,594 real decisions·17 project types·Updated March 2026

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All 17 project types ranked

#	Type	Decisions	Approved	Refused	Rate
1	Wraparound Extension	576	550	26	95.5%
2	Hip-to-Gable Conversion	154	146	8	94.8%
3	Conservatory	337	318	19	94.4%
4	Loft Conversion	366	344	22	94.0%
5	Rear Extension	3,625	3,396	229	93.7%
6	Front Extension	657	610	47	92.8%
7	Side Extension	2,008	1,850	158	92.1%
8	Dormer	763	694	69	91.0%
9	Basement	222	201	21	90.5%
10	Outbuilding	673	599	74	89.0%
11	Garage / Parking	1,684	1,453	231	86.3%
12	Extension (General)	646	555	91	85.9%
13	Annex	77	63	14	81.8%
14	New Build	994	794	200	79.9%
15	Change of Use (Residential)	627	493	134	78.6%
16	HMO	176	135	41	76.7%
17	Flat Conversion	21	13	8	61.9%

See how this applies to your postcode →

These are council averages. Your property is specific.

A wraparound extension application has a 95.5% approval rate. Flat Conversion? Just 61.9%.
Check your postcode to see what actually happens near your address.

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What the data tells us

The range is massive: 61.9% to 95.5%. 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

1,300 planning applications in Warwick have been refused since 2020. Many of those homeowners had already paid for drawings and application fees. A £79 report shows you what gets approved — and what gets refused — near your property.

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More Warwick planning data

Nearby councils project type rankings

Methodology: Classifies 12,594 decisions in Warwick 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 Warwick Council's public planning portal, January 2020 to present. Full methodology →