London

Hillingdon planning statistics

Householder applications decided in the year to June 2026, compared with the rest of England.

Search planning applications Hillingdon council website

Within 8 weeks, no extension

55.5%

203rd of 297

7.2 points slower than England

Granted

90.2%

187th of 297

In line with England

Extension of time

40.9%

218th of 297

8.6 points higher than England

Decisions (12 months)

1,147

Hillingdon decided 1,147 householder applications in the year to June 2026, granting 90.2%.

55.5% were decided within 8 weeks with no extension, against 62.7% across England (203rd of 297 for speed).

A further 40.9% were decided under an extension of time agreed with the applicant.

That is down from 63.7% a year earlier.

Of 48 householder appeals decided in the same period, 45.8% were allowed.

How quickly decisions are made

Hillingdon against England, share of householder decisions each quarter

Within 8 weeks, no extension
Extension of time
England, within 8 weeks

Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk

Show data

Quarter	Within 8 weeks, no extension	Extension of time	England, within 8 weeks
2008 Q1	83.0%	0.0%	89.5%
2008 Q2	90.5%	0.0%	89.4%
2008 Q3	87.7%	0.0%	89.7%
2008 Q4	86.7%	0.0%	90.3%
2009 Q1	94.6%	0.0%	90.3%
2009 Q2	93.8%	0.0%	91.7%
2009 Q3	96.0%	0.0%	91.4%
2009 Q4	93.5%	0.0%	91.0%
2010 Q1	91.9%	0.0%	88.8%
2010 Q2	91.9%	0.0%	89.8%
2010 Q3	93.0%	0.0%	88.4%
2010 Q4	93.8%	0.0%	87.7%
2011 Q1	94.7%	0.0%	86.4%
2011 Q2	93.7%	0.0%	85.9%
2011 Q3	87.2%	0.0%	84.9%
2011 Q4	86.6%	0.0%	84.9%
2012 Q1	93.5%	0.0%	83.7%
2012 Q2	95.5%	0.0%	84.2%
2012 Q3	96.6%	0.0%	82.9%
2012 Q4	95.8%	0.0%	85.2%
2013 Q1	94.5%	0.0%	85.7%
2013 Q2	95.3%	0.0%	86.3%
2013 Q3	93.3%	0.0%	85.3%
2013 Q4	95.3%	0.0%	86.3%
2014 Q1	95.6%	0.0%	85.4%
2014 Q2	92.0%	0.0%	84.9%
2014 Q3	93.8%	0.0%	82.5%
2014 Q4	93.0%	0.0%	82.1%
2015 Q1	94.4%	0.0%	80.4%
2015 Q2	95.1%	0.7%	80.6%
2015 Q3	90.5%	3.6%	79.2%
2015 Q4	91.2%	4.8%	80.0%
2016 Q1	87.1%	7.6%	78.3%
2016 Q2	79.1%	10.1%	79.8%
2016 Q3	73.6%	13.2%	77.7%
2016 Q4	70.2%	21.3%	78.0%
2017 Q1	76.0%	19.3%	77.3%
2017 Q2	76.4%	17.4%	78.5%
2017 Q3	71.0%	24.3%	76.1%
2017 Q4	72.6%	24.8%	77.1%
2018 Q1	77.8%	17.5%	73.7%
2018 Q2	80.7%	17.0%	74.0%
2018 Q3	80.5%	15.6%	72.7%
2018 Q4	77.6%	19.0%	72.7%
2019 Q1	68.7%	25.6%	69.9%
2019 Q2	77.3%	19.1%	72.1%
2019 Q3	80.4%	17.0%	69.6%
2019 Q4	78.0%	18.8%	71.5%
2020 Q1	78.0%	18.4%	68.4%
2020 Q2	81.7%	16.5%	63.9%
2020 Q3	86.4%	11.2%	63.8%
2020 Q4	87.8%	10.5%	65.3%
2021 Q1	87.7%	10.1%	59.4%
2021 Q2	83.6%	13.3%	58.4%
2021 Q3	69.8%	26.2%	53.1%
2021 Q4	54.5%	42.9%	53.0%
2022 Q1	36.0%	58.9%	51.6%
2022 Q2	53.0%	41.5%	56.0%
2022 Q3	50.7%	45.6%	53.3%
2022 Q4	51.1%	45.1%	54.1%
2023 Q1	60.6%	32.2%	53.5%
2023 Q2	69.2%	24.5%	58.5%
2023 Q3	64.2%	27.0%	59.0%
2023 Q4	57.1%	30.2%	59.8%
2024 Q1	56.3%	40.2%	58.8%
2024 Q2	65.8%	30.4%	64.4%
2024 Q3	62.5%	36.0%	64.2%
2024 Q4	60.0%	37.4%	65.6%
2025 Q1	68.3%	30.0%	62.1%
2025 Q2	64.7%	32.2%	65.0%
2025 Q3	51.6%	44.9%	62.5%
2025 Q4	57.3%	40.3%	64.7%
2026 Q1	56.8%	40.4%	60.6%
2026 Q2	56.5%	38.0%	62.7%

Share of applications granted

Hillingdon against England

Hillingdon
England

Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk

Show data

Quarter	Hillingdon	England
2008 Q1	67.0%	85.1%
2008 Q2	56.8%	86.1%
2008 Q3	60.8%	86.3%
2008 Q4	68.4%	85.3%
2009 Q1	68.3%	85.9%
2009 Q2	64.0%	86.8%
2009 Q3	65.8%	87.4%
2009 Q4	68.5%	86.9%
2010 Q1	67.3%	87.0%
2010 Q2	67.8%	88.0%
2010 Q3	68.7%	87.7%
2010 Q4	69.9%	87.5%
2011 Q1	66.7%	87.9%
2011 Q2	65.9%	88.5%
2011 Q3	69.6%	88.3%
2011 Q4	62.2%	88.3%
2012 Q1	67.6%	88.2%
2012 Q2	63.8%	89.2%
2012 Q3	65.2%	89.0%
2012 Q4	65.3%	88.9%
2013 Q1	65.4%	89.8%
2013 Q2	63.2%	90.6%
2013 Q3	54.6%	90.3%
2013 Q4	50.8%	89.6%
2014 Q1	50.3%	89.8%
2014 Q2	62.3%	90.5%
2014 Q3	63.5%	90.0%
2014 Q4	56.0%	89.2%
2015 Q1	62.8%	89.3%
2015 Q2	63.3%	90.2%
2015 Q3	63.3%	90.0%
2015 Q4	65.8%	89.2%
2016 Q1	74.2%	90.0%
2016 Q2	74.5%	90.3%
2016 Q3	68.8%	90.2%
2016 Q4	65.6%	89.7%
2017 Q1	64.0%	89.9%
2017 Q2	65.9%	90.5%
2017 Q3	68.9%	90.0%
2017 Q4	62.8%	90.1%
2018 Q1	63.5%	90.5%
2018 Q2	62.6%	91.0%
2018 Q3	66.3%	91.2%
2018 Q4	61.7%	90.5%
2019 Q1	61.4%	90.3%
2019 Q2	65.5%	91.0%
2019 Q3	63.6%	90.6%
2019 Q4	69.1%	89.8%
2020 Q1	63.5%	89.9%
2020 Q2	64.7%	90.2%
2020 Q3	67.3%	90.6%
2020 Q4	65.8%	90.3%
2021 Q1	67.8%	90.9%
2021 Q2	68.9%	91.2%
2021 Q3	72.5%	91.0%
2021 Q4	75.9%	90.1%
2022 Q1	69.3%	90.0%
2022 Q2	79.8%	90.4%
2022 Q3	79.4%	89.8%
2022 Q4	81.1%	89.4%
2023 Q1	77.2%	89.3%
2023 Q2	78.4%	89.2%
2023 Q3	79.1%	88.6%
2023 Q4	81.7%	88.2%
2024 Q1	79.1%	88.2%
2024 Q2	82.9%	89.1%
2024 Q3	87.3%	89.4%
2024 Q4	84.9%	88.6%
2025 Q1	81.0%	89.3%
2025 Q2	90.0%	90.4%
2025 Q3	91.3%	90.1%
2025 Q4	89.6%	90.1%
2026 Q1	90.0%	90.6%
2026 Q2	90.1%	91.0%

How long decisions took

Householder decisions over the last 12 months

Within 8 weeks55.5%
8 to 13 weeks3.1%
13 to 26 weeks0.5%
Over 26 weeks0.0%
Extension of time agreed40.9%

Source: MHCLG PS2, OGL v3. Chart: buildwiz.uk

Show data

Time taken	Decisions
Within 8 weeks	637
8 to 13 weeks	35
13 to 26 weeks	6
Over 26 weeks	0
Extension of time agreed	469

Appeals

Decided: 48
Allowed: 45.8%
Median wait: 12 weeks

Householder appeals to the Planning Inspectorate decided in the same 12 months. England: 34.4% allowed.

Local constraints

Hillingdon has published 42 conservation areas.
Hillingdon has published 150 Article 4 areas.

Both can remove permitted development rights. Not every council has published its data yet, so check with the council before relying on permitted development.

Next steps for your extension

Compare every council · How we calculate these figures

Get notified when new sections land

We're publishing new guides as they're finished. Join the list to find out when yours is ready.