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We are pleased to have achieved our 2022 energy intensity target, having seen a 4% reduction from 2021 with an intensity of 123 kWh/m2. This is in part as a result of a warmer winter (apart from the December cold snap), but also a significant effort to switch off gas boilers entirely during summer months, which resulted in a 16% reduction in gas consumption.

For our current science-based target, we achieved an emission intensity reduction of 10% from last year and 65% since 2013. We recognise the importance of our occupiers’ emissions, and so we are currently going through a process of rebasing our science-based target, and next year our SBTi target will include occupier emissions, as part of our managed portfolio.

Water consumption has increased, likely as a result of occupancy, but remains a very small part of our carbon footprint (<1%). Our total waste generation has increased, likely as a result of increased occupancy, but our recycling rate has improved to 68% from 65% last year. This still misses our corporate target (75%) and as a result, we are working closely with our waste management contractor and our occupiers to improve this.

Our key performance metrics are summarised below and like last year, you can download our 2022 data. For detail on methodology please see our Basis of Reporting. Selected environmental, health & safety and green finance metrics within our report have been subject to independent reasonable assurance under ISAE 3000 (Revised) and ISAE 3410 by Deloitte LLP. Community metrics have been subject to independent limited assurance under ISAE 3000 (Revised) by Deloitte LLP. These metrics are marked (A) in our data workbook download.

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Managed portfolio carbon
footprint
tCO2e
45,048
from 2019
16%
2022
45,048
2021
14,111
2020
32,813
2019
38,673
Managed portfolio energy
intensity
kWh/m2
123
from 2019
22%
2022
123
2021
128
2020
135
2019
157
Managed portfolio energy
consumption
kWh
47,790,662
from 2019
27%
2022
47,790,662
2021
49,324,077
2020
48,784,205
2019
65,198,706
OUR CARBON
FOOTPRINT
Landlord & tenant emissions (tCO2e)
Location
Market
Location
Market
Location
Market
60,000
50,000
40,000
30,000
20,000
10,000
0
Carbon emissions (tCO2e)
45,048
11,443
(e) 4,893
(d) 7,964
(c) 8,692
(b) 50,332
(a) 2,9881
(e) 4,643
(d) 2,614
(b) 1,460
(a) 2,7261
(e) 4,643
(e) 4,893
(d) 2,615
(d) 2,796
(c) 32,869
(b) 1,460
(b) 1,503
(a) 2,726
(a) 2,988
2,035
1,806
(b) 28
(a) 2,007
(b) 27
(a) 1,779
(b) 27
(b) 28
(a) 1,779
(a) 2,007
14,111
11,926
(e) 5,108
(d) 3,112
(c) 1,036
(b) 1,670
(a) 3,185
(e) 4,754
(d) 2,846
(b) 1,537
(a) 2,789
(e) 4,754
(e) 5,108
(d) 2,846
(d) 3,112
(c) 1,036
(b) 1,537
(b) 1,670
(a) 2,789
(a) 3,185
3,014
2,651
(b) 55
(a) 2,959
(b) 55
(a) 2,596
(b) 55
(b) 55
(a) 2,596
(a) 2,959
32,813
(e) 5,555
(d) 2,195
(c) 19,790
(b) 1,947
(a) 3,326
(e) 5,555
(d) 2,195
(c) 19,790
(b) 1,947
(a) 3,326
3,291
(a) 3,291
(a) 3,291
2022
2021
2020
Key
(a) Scope 1
(b) Scope 2
(c) Scope 3 - Embodied carbon
(d) Scope 3 - Other emissions
(e) Scope 3 - Occupier emissions

TOTAL CARBON 
FOOTPRINT

Managed landlord and tenant
emissions tCO2e

Download the data
Tap scopes for detail

2022

2021

2020

Based

Location

Market

Location

Market

Location

Market

Scope 1

2,988

2,007

3,185

2,959

3,326

3,291

Energy use

Gas (total building) (location-based)

2,672

3,178

3,323

Gas (total building) (market-based)

2,007

2,959

3,291

Travel

Fuel use in Derwent London company cars for business travel

4

7

3

Fugitive Emissions

Refridgerant emissions

312

0

0

Scope 2

1,503

28

1,670

55

1,947

0

Energy-use (location-based) (A)

Electricity use - generation (landlord-controlled areas and Derwent London occupied floor area) (location-based)

1,503

1,670

1,947

Energy-use (market-based) (A)

Electricity use - generation (landlord-controlled areas and Derwent London occupied floor area) (market based)

28

55

0

Scope 3

40,557

9,256

27,540

Capital goods (A)

Embodied carbon from developments

32,869

1,036

19,790

Fuel and energy related activities

Electricity use - WTT Generated Scope 3 Indirect GHG (Landlord -controlled areas and Derwent London occupied floor area)

1,531

1,765

987

Electricity use - T&D Direct GHG (Landlord-controlled areas and Derwent London occupied floor area)

585

600

0

Electricity Scope 3 WTT T&D Indirect GHG

140

156

700

Gas (total building)  - WTT Generated Scope 3  Indirect GHG (total building)

455

544

432

Waste generated in operations

Waste (total building)

39

25

25

Water generated

Water use (total building)

22

16

37

Business travel

Fuel use in Derwent London company cars for business travel WTT

1

2

1

Business air travel WTT

2

0

1

Business air travel

20

4

12

Downstream leased assets

Downstream leased assets (tenant electricity emissions)

4,893

5,108

5,555

Total Scope 3 (location-based) (A)

40,557

-

9,256

-

27,540

-

Total Scopes 1, 2 & 3 (location-based)

45,048

-

14,111

-

32,813

-

Total Scopes 1, 2 & 3 (market-based)

-

2,035

-

3,104

-

3,291

Tap Scopes to learn more
Key
IEA ETP Emissions 2°C
UK MARKAL
Derwent London Emissions
(T) Target to be achieved
(a) Savings achieved against targets
SCIENCE
BASED TARGET
CARBON INTENSITY
100
0.75
0.50
0.25
0
2022 (a)
-65%
10.9 kgCO2e/m2
2027 (T)
-55%
14.2 kgCO2e/m2
2013
2018
2023
2028
2033
2037
2041
2045
2050
Key
IEA ETP Emissions 2°C
UK MARKAL
Derwent London Emissions
(T) Target to be achieved
(a) Savings achieved against targets
Key
500 kgCO2e/m2 - Embodied Carbon Target 2030
600 kgCO2e/m2 - Embodied Carbon Target 2025

EMBODIED

CARBON
EMISSIONS

Intensity measured by kgCO2e/m2
1200
1000
800
600
400
200
0
549
278
875
617
506
36
185
191
122
550
881
539
269
29
82
44
109
106
607
528
Embodied carbon intensity (kgCO2e/m2)
4-10 Pentonville Road
1 Page Street
White Collar Factory
Brunel Building
80 Charlotte Street
19 Fitzroy Street
3-5 Rathbone Place
6-8 Greencoat Place
DL78
1 Soho Place
2-4 Soho Place
The Featherstone Building
Francis House
The White Chapel Building - Part fit-out
Tea Building Unit - Part fit-out
43 Whitfield Street
90 Whitfield Level 2 Part fit-out
90 Whitfield Reception
25 Baker Street Estimate
Network Building Estimate
Key
Derwent London Office Target 2030
Derwent London Office Target 2025
2022
2021
2020
kWh
70,000,000
70M
60,000,000
60M
50,000,000
50M
40,000,000
40M
30,000,000
30M
20,000,000
20M
10,000,000
10M
0
44,803,749
47,790,662
(d) 13,199,121
(d) 14,633,956
(c) 46,324
(c) 81,367
(b) 24,010,561
(b) 25,302,791
(a) 7,547,743
(a) 7,772,548
44,866,779
 49,324,077
(d) 15,189,536
(d) 17,351,169
(c) 48,188
(c) 48,188
(b) 22,390,593
(b) 24,058,669
(a) 7,238,462
(a) 7,866,051
 48,784,205
(d) 18,069,846
(c) 47,125
(b) 22,315,697
(a) 8,351,537
Key
(a) Electricity (landlord controlled areas, excl. renewables)
(b) Electricity (tenant controlled areas)
(c) Electricity (onsite renewable)
(d) Gas (total building)

TOTAL BUILDING

ENERGY INTENSITY
PERFORMANCE

Landlord & tenant energy measured by kWh/m2
HoverTap bar to learn more
250
200
150
100
50
0
Brunel Building, W2
7% reduction compared to 2021. Energy efficiency measures included adjusting loading bay lighting and turning off stairwell heaters.
Stephen Street, W1
17% reduction compared to 2021. Measures included gas boiler temperature optimisation and lighting timeclock adjustments.
Charlotte Building, W1
6% reduction compared to 2021. Ventilation system schedules optimised and carried out BMS energy check.
202
189
189
183
166
165
165
160
159
149
136
128
127
126
125
123
109
99
90
89
83
82
82
72
69
64
62
61
61
59
56
52
48
33
33
32
7
7
Buildings (1-38)
2022 intensity (GIA) kWh/m²
WASTE
RECYCLED
View by portfolio
Key
Recycling (%)
Incineration (with energy recovery) (%)
2020
68%
2021
65%
66%
2022
68%
70%
Key
Recycling (%)
Incineration (with energy recovery) (%)

Glossary

Automatic Meter Reading (AMR)

AMR is the technology of automatically collecting consumption, diagnostic and status data from water or energy metering devices and transferring that data to a central database for billing, troubleshooting, or analysis purposes.

B Corp

B Corp is a certification companies can pursue which requires them to meet social, environmental and accountability performance standards with regards to positively impacting all stakeholders (workers, suppliers, communities, and the environment). It focuses on transparency and accountability of a company’s operation, from their Articles of Association to supply chain.

Building Research Establishment Environmental Assessment Method (BREEAM)

BREEAM is an environmental impact assessment method for non-domestic buildings. Performance is measured across a series of ratings – Pass, Good, Very Good, Excellent and Outstanding.

Carbon dioxide equivalent (CO2e)

CO2e is a standard unit for measuring carbon footprints. It expresses the impact of each different greenhouse gas in terms of the amount of CO2 that would create the same amount of warming impact of each gas. As a result, the total impact of all these gases can be expressed as a single number/unit.

Considerate Constructors Scheme (CCS)

CCS is a not-for-profit, independently-managed organisation that sets out requirements and standards to drive better conduct across construction activities in three key areas: respecting the community, caring for the environment and valuing the workforce.

CDP

The CDP is an organisation which works with shareholders and listed companies to facilitate the disclosure and reporting of climate change data and information.

Chartered Institute of Credit Management (CICM)

UK-based professional body representing credit professionals, providing resources, training and qualifications for the credit management community.

CIBSE TM54

CIBSE Technical Memorandum 54 (TM54) provides building designers and owners with clear guidance on how to evaluate operational energy use fully, and accurately, at the design stage. It sets out how the operational energy required for the building can be estimated - covering both regulated and unregulated loads.

Construction Logistics and Community Safety (CLOCS) Scheme

CLOCS is a national standard that requires collaborative action to prevent fatal or serious collisions between vehicles servicing construction projects and vulnerable road users: pedestrians, cyclists, and motorcyclists.

Embodied carbon

Embodied carbon is the amount of carbon emitted in the extraction, processing, manufacture, transportation and installation of materials.

Energy Performance Certificate (EPC)

An EPC is an asset rating detailing how energy efficient a building is, rated by carbon dioxide emission on a scale of ‘A’-‘G’, where an ‘A’ rating is the most energy efficient. They are legally required for any building that is to be put on the market for sale or rent.

European Public Real Estate Association (EPRA)

EPRA is an association of Europe’s leading property companies, investors and consultants which strives to establish best practices in accounting, reporting and corporate governance.

FTSE4Good

The FTSE4Good is an index that has been developed to measure objectively the performance of companies that meet globally-recognised corporate responsibility standards, such that organisations can make effective decisions when assessing or creating responsible investment products.

Fugitive emissions

Fugitive emissions are emissions of gases or vapours (refrigerants) from pressurised equipment such as air conditioning units due to leaks and other unintended releases/losses.

Global Real Estate Sustainability Benchmark (GRESB)

The Global Real Estate Sustainability Benchmark is an initiative set up to assess the environmental and social performance of public and private real estate investments and allow investors to understand their performance.

Global Reporting Initiative (GRI)

The Global Reporting Initiative is an internationally-recognised sustainability reporting framework which provides metrics and methods for measuring and reporting sustainability-related impacts and performance.

Greenhouse Gas (GHG) Protocol Corporate Accounting Standard

This internationally-recognised standard sets out methodologies for businesses to collate, calculate and report all the GHG emissions they produce.

Home Quality Mark (HQM)

HQM is an assessment standard for new homes. Performance is measured across a series of star ratings 1-5.

ISS-ESG

ISS-ESG is an ESG rating service that provides corporate and country ESG research and ratings that enables its clients to identify material social and environmental risks and opportunities.

Leadership in Energy and Environmental Design (LEED)

LEED is a US-based environmental impact assessment method for buildings. Performance is measured across a series of ratings – Certified, Silver, Gold and Platinum.

Loan Market Association (LMA) Green Loan Principles

The green loan principles aim to create a high-level framework of market standards and guidelines, providing a consistent methodology for use across the green loan market. It comprises a series of voluntary recommended guidelines that seek to promote integrity by clarifying the instances in which a loan may be categorised as “green”.

Minimum Energy Efficiency Standard (MEES)

MEES sets a minimum energy efficiency level for buildings. By 2023, all commercial leases must be rated with EPC ‘E’.

National Australian Built Environment Rating System (NABERS)

NABERS is a building performance rating system which provides an energy performance benchmark using a simple star rating system on a 1-6 scale. This helps property owners understand and communicate a building’s performance versus other similar buildings to occupiers. Ratings are validated on an annual basis. It has been adopted in the UK as NABERS UK and is administered by the Building Research Establishment (BRE); NABERS UK currently relates to offices only.

National Equality Standard (NES)

NES is a Diversity, Equity and Inclusion (DE&I) standard which provides a rigorous assessment and action plan to ensure compliance against nine legally-protected characteristics and broader recommendations including social mobility and culture.

Radiative forcing

Radiative forcing is the change in the energy balance in the lower atmosphere by a climate change mechanism. In this case, the change mechanism we reference in this report is aircraft emissions. Aircraft emissions contribute to this energy change in a number of ways e.g. they release substances that trigger the generation of aerosol particles or lead to changes in natural clouds such as contrails.

Renewable Energy Guarantees of Origin (REGO)

The REGO scheme administered by Ofgem provides transparency to consumers about the proportion of electricity that supplier’s source/provide from renewable generation.

Renewable Gas Guarantees of Origin (RGGO)

The RGGO scheme provides transparency to consumers about the proportion of gas that supplier’s source/provide from renewable generation such as biomethane (the majority) or bio-propane.

Reporting of Injuries, Disease & Dangerous Occurrences Regulations, 2013 (RIDDOR)

The RIDDOR regulations require employers and those in control of premises by law to report specified workplace incidents, such as work-related fatalities, major injuries, seven-day injuries (those causing more than seven days inability to carry out normal duties), work-related diseases, and dangerous occurrences (near miss accidents).

Science-Based Target initiative (SBTi)

The Science-Based Targets initiative (SBTi) is a collaboration between CDP, the United Nations Global Compact, World Resources Institute (WRI) and the World Wide Fund for Nature (WWF). The SBTi defines and promotes best practice in science-based target setting and independently assesses and approves companies’ targets. Science-based targets provide companies with a clearly defined pathway to future-proof growth by specifying how much and how quickly they need to reduce their greenhouse gas emissions.

Scope 1 carbon (AKA direct emissions): includes a company’s emissions from items such as gas use in boilers, corporate fuel consumption in company cars and emissions from refrigerants used in air conditioning equipment.

Scope 2 carbon (AKA indirect emissions): includes emissions from landlord electricity consumption but excludes occupier electricity usage.

Scope 3 carbon (AKA other indirect emissions): includes items such as emissions from occupier electricity consumption, embodied carbon, business air travel, water and waste.

Task Force on Climate-related Financial Disclosures (TCFD)

Set up by the Financial Stability Board (FSB) in response to the G20 Finance Ministers and Central Bank Governors' request for greater levels of decision-useful, climate-related information; the TCFD was asked to develop climate-related disclosures that could promote more informed investment, credit (or lending), and insurance underwriting decisions. In turn, this would enable stakeholders to understand better the concentrations of carbon-related assets in the financial sector and the financial system’s exposures to climate-related risks.